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General Information

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

Plant Care Instruction

  • Scroll down or click on any month for plant care instructions
    • January
    • February
    • March
    • April
    • May
    • June
    • July
    • August
    • September
    • October
    • November
    • December
    January
    1. Prune

    Do not prune.
    February
    1. Prune

    Do not prune.
    March
    1. 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!
    2. 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.
    3. 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.
    4. 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
    1. 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!
    2. 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.
    3. Fertilize

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

    Do not prune.
    5. 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
    1. 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!
    2. 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.
    3. Fertilize

    A top dressing of a granular slow release fertilizer in early spring is all this hardy shrub will need.
    4. 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.
    5. Prune

    Do not prune.
    6. 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
    1. 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!
    2. 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.
    3. 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.
    4. Prune

    Do not prune.
    July
    1. 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.
    2. Prune

    Lightly prune to shape immediately after flowering.
    August
    1. 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.
    2. Prune

    Lightly prune to shape immediately after flowering.
    September
    1. 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!
    2. 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.
    3. 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.
    4. Prune

    Do not prune.
    5. 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
    1. 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!
    2. 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.
    3. Prune

    Do not prune.
    4. 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
    1. Prune

    Do not prune.
    December
    1. Prune

    Do not prune.
  • 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!

    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?

    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.

    Fertilize

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

    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.

    June

    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?

    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?

    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?

    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.

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