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Blue bunny hydrangea
Plant Care Instructions By Proven Winners

BLUE BUNNY hydrangea is a drift of blue lacecap flowers from mid-summer until fall. It forms its flowers buds on new wood and so blooms reliably every year. It is a strong growing plant that produces an abundance of distinctive blue flowers which makes an elegant addition to mixed beds. Color is not affected by soil pH.

Is Indoor Plant?

No

These month by month plant care tasks are for plants in the following zones :
Sunset Zones :
USDA Zones : 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Web Link - For more information
Scroll down or click on any month for plant care instructions
  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
  • January
    • Prune

        Do not prune.

  • February
    • Prune

        Do not prune.

  • March
    • Buy

        For those of you in warmer zones, purchase shrubs after the threat of frost has passed. If you buy sooner, be sure to provide protection to the tender new top growth at night. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        For those of you in warmer zones, plant as soon as the threat of frost has passed and the soil is workable. If the threat of frost persists, be sure to provide protection to tender new growth of the plant by covering at night. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Prune

        Do not prune. For those of you in Zone 6, prune with caution! If your area has already begun to warm up and leaf initiation is visible, don't compromise this season's flower buds. Put off pruning until the following winter.

    • Mulch

        Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

  • April
    • Buy

        Purchase shrubs after the threat of frost has passed. If you buy sooner, be sure to provide protection to the tender new top growth at night. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        Plant as soon as the threat of frost has passed and the soil is workable. If the threat of frost persists, be sure to provide protection to tender new growth of the plant by covering at night. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Fertilize

        A top dressing of a granular slow release fertilizer in early spring is all this hardy shrub will need.

    • Prune

        Do not prune.

    • Mulch

        Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk. Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

  • May
    • Buy

        Now is a great time to visit your garden center to see whats new. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        Ready to get out into your garden? It isn't too late to add new plants to your garden! However, with the increasing heat and longer days, pay extra attention to the watering needs of freshly planted shrubs. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Fertilize

        A top dressing of a granular slow release fertilizer in early spring is all this hardy shrub will need.

    • Water

        As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

    • Prune

        Do not prune.

    • Mulch

        Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

  • June
    • Buy

        For Zone 6, June isn't too late to add to your garden . When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        For Zone 6, June isn't too late to add new plants to your garden! However, with the increasing heat and longer days, pay extra attention to the watering needs of freshly planted shrubs. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Water

        As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

    • Prune

        Do not prune.

  • July
    • Water

        As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

    • Prune

        Lightly prune to shape immediately after flowering.

  • August
    • Water

        As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

    • Prune

        Lightly prune to shape immediately after flowering.

  • September
    • Buy

        Visit your independent garden center now because fall is the best time to purchase shrubs! Here's why: In the spring, a new plant would have to divide it's energy between settling into a new home and growing immediately. In the fall however, the short days are causing the top to go dormant. All the while, the warm soil, that will persist for the coming weeks or months, provides the perfect environment for roots to acclimate. Once spring arrives, the happily established plant can focus on growing and flowering. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        Planting flowering shrubs now is a great time to get a jump on next year's garden! For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Save the application of a granular slow-release fertilizer for spring to avoid the initiation of tender new growth. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Water

        As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

    • Prune

        Do not prune.

    • Mulch

        Applying a winter top-dressing of mulch will provide protection to the roots from severe winter temperatures and frost heaving. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

  • October
    • Buy

        Visit your independent garden center now because fall is the best time to purchase shrubs! Here's why: In the spring, a new plant would have to divide it's energy between settling into a new home and growing immediately. In the fall however, the short days are causing the top to go dormant. All the while, the warm soil, that will persist for the coming weeks or months, provides the perfect environment for roots to acclimate. Once spring arrives, the happily established plant can focus on growing and flowering. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

    • Plant

        Planting flowering shrubs now is a great time to get a jump on next year's garden! For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Save the application of a granular slow-release fertilizer for spring to avoid the initiation of tender new growth. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

    • Prune

        Do not prune.

    • Mulch

        Applying a winter top-dressing of mulch will provide protection to the roots from severe winter temperatures and frost heaving. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

  • November
    • Prune

        Do not prune.

  • December
    • Prune

        Do not prune.

  • Winter
    • Spring
      • Summer
        • Fall
          • Buy

            When's the best time to buy this plant? When can you buy these from seed (if you can)? When is it usually available? What are things to look for when you're buying it? Or anything other tidbit of information you can share!

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • March

              For those of you in warmer zones, purchase shrubs after the threat of frost has passed. If you buy sooner, be sure to provide protection to the tender new top growth at night. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

            • April

              Purchase shrubs after the threat of frost has passed. If you buy sooner, be sure to provide protection to the tender new top growth at night. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

            • May

              Now is a great time to visit your garden center to see whats new. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

            • June

              For Zone 6, June isn't too late to add to your garden . When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

            • September

              Visit your independent garden center now because fall is the best time to purchase shrubs! Here's why: In the spring, a new plant would have to divide it's energy between settling into a new home and growing immediately. In the fall however, the short days are causing the top to go dormant. All the while, the warm soil, that will persist for the coming weeks or months, provides the perfect environment for roots to acclimate. Once spring arrives, the happily established plant can focus on growing and flowering. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

            • October

              Visit your independent garden center now because fall is the best time to purchase shrubs! Here's why: In the spring, a new plant would have to divide it's energy between settling into a new home and growing immediately. In the fall however, the short days are causing the top to go dormant. All the while, the warm soil, that will persist for the coming weeks or months, provides the perfect environment for roots to acclimate. Once spring arrives, the happily established plant can focus on growing and flowering. When choosing plants, don't be shy about popping the plant out of it's pot to inspect the roots. The root mass should be free of black, mushy sections and amply fill the container. Remember, the more roots the better!

          • Plant

            When's a good time to plant this plant or bulb? Any special planting instructions?

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • March

              For those of you in warmer zones, plant as soon as the threat of frost has passed and the soil is workable. If the threat of frost persists, be sure to provide protection to tender new growth of the plant by covering at night. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

            • April

              Plant as soon as the threat of frost has passed and the soil is workable. If the threat of frost persists, be sure to provide protection to tender new growth of the plant by covering at night. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

            • May

              Ready to get out into your garden? It isn't too late to add new plants to your garden! However, with the increasing heat and longer days, pay extra attention to the watering needs of freshly planted shrubs. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

            • June

              For Zone 6, June isn't too late to add new plants to your garden! However, with the increasing heat and longer days, pay extra attention to the watering needs of freshly planted shrubs. For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Apply a granular slow release fertilizer and water in well. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

            • September

              Planting flowering shrubs now is a great time to get a jump on next year's garden! For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Save the application of a granular slow-release fertilizer for spring to avoid the initiation of tender new growth. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

            • October

              Planting flowering shrubs now is a great time to get a jump on next year's garden! For BLUE BUNNY, choose a medium to sunny location. Requires moist, well drained soil. Supplemental watering may be needed in very hot weather. May do better in part shade in the south. Save the application of a granular slow-release fertilizer for spring to avoid the initiation of tender new growth. It is recommended to apply 1 inch of water per week during the first growing season and be extra mindful during periods of heat and drought.

          • Sow Seeds

            When can you plant these seeds? When's the best time? Can you start them indoors and move them out? Do they have any special requirements?

            •  Jan
            •  Feb
            •  Mar
            •  Apr
            •  May
            •  Jun
            •  Jul
            •  Aug
            •  Sep
            •  Oct
            •  Nov
            •  Dec
            • Fertilize

              When should you fertilize this plant? Which kind of fertilizer do you recommend? Should you use different fertilizers at different times of year?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • April

                A top dressing of a granular slow release fertilizer in early spring is all this hardy shrub will need.

              • May

                A top dressing of a granular slow release fertilizer in early spring is all this hardy shrub will need.

            • Water

              Is there a time to reduce or increase watering? Any special requirements? Things to avoid during certain times of the year?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • May

                As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

              • June

                As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

              • July

                As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

              • August

                As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

              • September

                As a rule of thumb, apply 1 inch of water per week during the first growing season. Be mindful of hot days and periods of drought. Once established, supplemental watering may be needed in very hot weather. May do better in part shade in the south.

            • Prune

              When's a good time to prune this plant? How about deadheading, pinching back, trimming or any other grooming? Any special requirements?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • January

                Do not prune.

              • February

                Do not prune.

              • March

                Do not prune. For those of you in Zone 6, prune with caution! If your area has already begun to warm up and leaf initiation is visible, don't compromise this season's flower buds. Put off pruning until the following winter.

              • April

                Do not prune.

              • May

                Do not prune.

              • June

                Do not prune.

              • July

                Lightly prune to shape immediately after flowering.

              • August

                Lightly prune to shape immediately after flowering.

              • September

                Do not prune.

              • October

                Do not prune.

              • November

                Do not prune.

              • December

                Do not prune.

            • Mulch

              Does this plant need to be mulched? Are there specific types of Mulch which are better for this plant? How much?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • March

                Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

              • April

                Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk. Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

              • May

                Applying mulch around your flowering shrubs in the spring is a great idea. Not only does it look attractive, it keeps roots cool, conserves soil moisture, reduces water requirements, and acts as an effective weed barrier. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

              • September

                Applying a winter top-dressing of mulch will provide protection to the roots from severe winter temperatures and frost heaving. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

              • October

                Applying a winter top-dressing of mulch will provide protection to the roots from severe winter temperatures and frost heaving. Spread mulch evenly to a depth of 2 to 3 inches (if replenishing, don't allow build up to exceed 4" in depth). If your shrub is in lawn, mulch a ring between 3 to 6 feet in diameter around the trunk. Be careful to keep mulch an inch away from the shrub's trunk.

            • Protect

              When and how should you protect this plant from birds, deer, rabbits? Does this plant need be covered, or wrapped or painted or moved?

              •  Jan
              •  Feb
              •  Mar
              •  Apr
              •  May
              •  Jun
              •  Jul
              •  Aug
              •  Sep
              •  Oct
              •  Nov
              •  Dec
              • Pest/Disease Inspection

                What are the common problems this plant will face and when should you look for them to appear?

                •  Jan
                •  Feb
                •  Mar
                •  Apr
                •  May
                •  Jun
                •  Jul
                •  Aug
                •  Sep
                •  Oct
                •  Nov
                •  Dec
                • Treat for Pest/Disease

                  How do you treat the common problems for this plant? What products or concoctions or natural means do you use? Any special requirements?

                  •  Jan
                  •  Feb
                  •  Mar
                  •  Apr
                  •  May
                  •  Jun
                  •  Jul
                  •  Aug
                  •  Sep
                  •  Oct
                  •  Nov
                  •  Dec
                  • Transplant

                    When's the best time to dig up and transplant this from one spot to another? (This is different than planting). Any special requirements?

                    •  Jan
                    •  Feb
                    •  Mar
                    •  Apr
                    •  May
                    •  Jun
                    •  Jul
                    •  Aug
                    •  Sep
                    •  Oct
                    •  Nov
                    •  Dec
                    • Propagate

                      When's a good time to divide, take cuttings, layer or propagate this plant. Any special requirements?

                      •  Jan
                      •  Feb
                      •  Mar
                      •  Apr
                      •  May
                      •  Jun
                      •  Jul
                      •  Aug
                      •  Sep
                      •  Oct
                      •  Nov
                      •  Dec
                      • Harvest

                        When's a good time to harvest this plant? What's the best way to harvest? Are there special requirements or features?

                        •  Jan
                        •  Feb
                        •  Mar
                        •  Apr
                        •  May
                        •  Jun
                        •  Jul
                        •  Aug
                        •  Sep
                        •  Oct
                        •  Nov
                        •  Dec
                        • Special requirements

                          Any other requirement for this plant? Is there anything that doesn't fit into the other care categories?

                          •  Jan
                          •  Feb
                          •  Mar
                          •  Apr
                          •  May
                          •  Jun
                          •  Jul
                          •  Aug
                          •  Sep
                          •  Oct
                          •  Nov
                          •  Dec

                          Click This Button To Use These Plant Care Reminders