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Gardenia
Plant Care Instructions By Julie Bawden-Davis

The stunning highly fragrant flowers of this evergreen shrub contrast nicely with the plant's glossy green leaves. Grows well in containers and raised beds.

Is Indoor Plant?

No

These month by month plant care tasks are for plants in the following zones :
Sunset Zones : 22, 23, 24
USDA Zones :
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
    • Water

        Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

    • Protect

        Temporarily move potted gardenias next to the house if there is danger of frost.

    • Pest/Disease Inspection

        Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • February
    • Water

        Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

    • Protect

        Temporarily move potted gardenias next to the house if there is danger of frost.

    • Pest/Disease Inspection

        Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • March
    • Water

        Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

    • Prune

        Prune out dead branches and faded flowers.

    • Protect

        Temporarily move potted gardenias next to the house if there is danger of frost.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • April
    • Buy

        Buy gardenia when in bloom.

    • Plant

        Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

    • Transplant

        Transplant gardenia during warm weather.

  • May
    • Buy

        Buy gardenia when in bloom.

    • Plant

        Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

    • Transplant

        Transplant gardenia during warm weather.

  • June
    • Buy

        Buy gardenia when in bloom.

    • Plant

        Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

    • Transplant

        Transplant gardenia during warm weather.

  • July
    • Buy

        Buy gardenia when in bloom.

    • Plant

        Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

    • Transplant

        Transplant gardenia during warm weather.

  • August
    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • September
    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Prune

        Prune out dead branches and faded flowers.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • October
    • Fertilize

        Feed with a fertilizer designed for acid-loving blooming plants.

    • Water

        Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

    • Mulch

        To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

    • Pest/Disease Inspection

        Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • November
    • Water

        Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

    • Pest/Disease Inspection

        Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • December
    • Water

        Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

    • Protect

        Temporarily move potted gardenias next to the house if there is danger of frost.

    • Pest/Disease Inspection

        Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

    • Treat for Pest/Disease

        Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

  • 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
            • April

              Buy gardenia when in bloom.

            • May

              Buy gardenia when in bloom.

            • June

              Buy gardenia when in bloom.

            • July

              Buy gardenia when in bloom.

          • 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
            • April

              Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

            • May

              Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

            • June

              Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

            • July

              Plant gardenia during warm weather. They require a fast-draining acidic soil high in organic matter.

          • 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

                Feed with a fertilizer designed for acid-loving blooming plants.

              • May

                Feed with a fertilizer designed for acid-loving blooming plants.

              • June

                Feed with a fertilizer designed for acid-loving blooming plants.

              • July

                Feed with a fertilizer designed for acid-loving blooming plants.

              • August

                Feed with a fertilizer designed for acid-loving blooming plants.

              • September

                Feed with a fertilizer designed for acid-loving blooming plants.

              • October

                Feed with a fertilizer designed for acid-loving blooming plants.

            • 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
              • January

                Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

              • February

                Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

              • March

                Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

              • April

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • May

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • June

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • July

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • August

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • September

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • October

                Gardenias require moist but not soggy soil. Water when the top 2 inches of soil is dry.

              • November

                Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

              • December

                Gardenias require moist but not soggy soil, as they are susceptible to root rot. Water when the top 2 inches of soil is dry when there is no rainfall.

            • 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
              • March

                Prune out dead branches and faded flowers.

              • April

                Prune out dead branches and faded flowers.

              • May

                Prune out dead branches and faded flowers.

              • June

                Prune out dead branches and faded flowers.

              • July

                Prune out dead branches and faded flowers.

              • August

                Prune out dead branches and faded flowers.

              • September

                Prune out dead branches and faded flowers.

            • 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
              • April

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • May

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • June

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • July

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • August

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • September

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

              • October

                To prevent weeds, retain moisture and keep roots cool, mulch around gardenias rather than cultivating, as they are shallow-rooted. Apply a 1- to 2-inch layer of shredded bark.

            • 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
              • January

                Temporarily move potted gardenias next to the house if there is danger of frost.

              • February

                Temporarily move potted gardenias next to the house if there is danger of frost.

              • March

                Temporarily move potted gardenias next to the house if there is danger of frost.

              • December

                Temporarily move potted gardenias next to the house if there is danger of frost.

            • 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
              • January

                Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • February

                Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • March

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • April

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • May

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • June

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • July

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • August

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • September

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • October

                Check leaves and stems for signs of scale and aphids. Both pests suck plant sap and cause poor growth. Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • November

                Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

              • December

                Inspect plant for signs of iron chlorosis, which is indicated by yellow leaves with green leaf veins.

            • 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
              • January

                Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • February

                Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • March

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • April

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • May

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • June

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • July

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • August

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • September

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • October

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • November

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

              • December

                Treat minor infestations of scale and aphids with a strong spray of water. If trouble persists, treat with light horticultural oil according to package directions. Treat iron chlorosis with a chelated iron fertilizer every week according to package directions until the leaves re-green.

            • 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
              • April

                Transplant gardenia during warm weather.

              • May

                Transplant gardenia during warm weather.

              • June

                Transplant gardenia during warm weather.

              • July

                Transplant gardenia during warm weather.

            • 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

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