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Douglas iris
Plant Care Instructions By Julie Bawden-Davis

Pacific coast iris native--from Santa Barbara into Oregon. Plant features 3-inch-wide blooms in purple, violet-blue, white and cream.

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 : 10a, 10a, 10b, 10b
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
    • Buy

        Buy bulbs or plants when available in the nursery.

  • February
    • Buy

        Buy bulbs or plants when available in the nursery.

    • Plant

        Plant in a well-draining soil in a sunny to part-shade location.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

    • Transplant

        Transplant when new roots are starting to form, which usually happens around now. Dig around base of plant to check if this is occurring. Wait if necessary.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • March
    • Buy

        Buy bulbs or plants when available in the nursery.

    • Plant

        Plant in a well-draining soil in a sunny to part-shade location.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • April
    • Buy

        Buy bulbs or plants when available in the nursery.

    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Water when the top two inches of soil is dry.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

  • May
    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Water when the top two inches of soil is dry.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

  • June
    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Water when the top two inches of soil is dry.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

  • July
    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • August
    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • September
    • Buy

        Buy bulbs or plants when available in the nursery.

    • Plant

        Plant in a well-draining soil in a sunny to part-shade location.

    • Fertilize

        Feed every four weeks with a blooming fertilizer.

    • Water

        Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

    • Pest/Disease Inspection

        Check plants for snails and slugs.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • October
    • Buy

        Buy bulbs or plants when available in the nursery.

    • Plant

        Plant in a well-draining soil in a sunny to part-shade location.

    • Propagate

        Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

  • November
    • Buy

        Buy bulbs when available in the nursery.

    • Plant

        Plant in a well-draining soil in a sunny to part-shade location.

  • December
    • Buy

        Buy bulbs when available in the nursery.

  • 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
            • January

              Buy bulbs or plants when available in the nursery.

            • February

              Buy bulbs or plants when available in the nursery.

            • March

              Buy bulbs or plants when available in the nursery.

            • April

              Buy bulbs or plants when available in the nursery.

            • September

              Buy bulbs or plants when available in the nursery.

            • October

              Buy bulbs or plants when available in the nursery.

            • November

              Buy bulbs when available in the nursery.

            • December

              Buy bulbs when available in the nursery.

          • 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
            • February

              Plant in a well-draining soil in a sunny to part-shade location.

            • March

              Plant in a well-draining soil in a sunny to part-shade location.

            • September

              Plant in a well-draining soil in a sunny to part-shade location.

            • October

              Plant in a well-draining soil in a sunny to part-shade location.

            • November

              Plant in a well-draining soil in a sunny to part-shade location.

          • 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 every four weeks with a blooming fertilizer.

              • May

                Feed every four weeks with a blooming fertilizer.

              • June

                Feed every four weeks with a blooming fertilizer.

              • July

                Feed every four weeks with a blooming fertilizer.

              • August

                Feed every four weeks with a blooming fertilizer.

              • September

                Feed every four weeks with a blooming fertilizer.

            • 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
              • April

                Water when the top two inches of soil is dry.

              • May

                Water when the top two inches of soil is dry.

              • June

                Water when the top two inches of soil is dry.

              • July

                Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

              • August

                Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

              • September

                Once blooms fade, water sparingly, as high heat and moist soil can cause rot.

            • 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
              • 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
                • 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
                    • February

                      Check plants for snails and slugs.

                    • March

                      Check plants for snails and slugs.

                    • April

                      Check plants for snails and slugs.

                    • May

                      Check plants for snails and slugs.

                    • June

                      Check plants for snails and slugs.

                    • July

                      Check plants for snails and slugs.

                    • August

                      Check plants for snails and slugs.

                    • September

                      Check plants for snails and slugs.

                  • 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
                    • February

                      Remove and destroy snails and slugs.

                    • March

                      Remove and destroy snails and slugs.

                    • April

                      Remove and destroy snails and slugs.

                    • May

                      Remove and destroy snails and slugs.

                    • June

                      Remove and destroy snails and slugs.

                    • July

                      Remove and destroy snails and slugs.

                    • August

                      Remove and destroy snails and slugs.

                    • September

                      Remove and destroy snails and slugs.

                  • 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
                    • February

                      Transplant when new roots are starting to form, which usually happens around now. Dig around base of plant to check if this is occurring. Wait if necessary.

                  • 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
                    • February

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                    • March

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                    • July

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                    • August

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                    • September

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                    • October

                      Divide iris when the plant becomes overcrowded. Dig up the plant, including the roots, cut stalks (fans) apart with a knife and trim the foliage. Soak in water for an hour before replanting.

                  • 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
                      iris


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