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Siberian iris
Plant Care Instructions By Julie Bawden-Davis

Plant features narrow, grass-like foliage and four-foot high stems sporting blooms in shades of white, lavender, blue, pink, purple and pale yellow.

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
    • Buy

        Buy bulbs when available in the nursery.

    • Plant

        Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Propagate

        Divide only 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.

  • February
    • Buy

        Buy bulbs when available in the nursery.

    • Plant

        Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Propagate

        Divide only 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
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • April
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Mulch

        Mulch with 2 to 4 inches of shredded bark.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • May
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Mulch

        Mulch with 2 to 4 inches of shredded bark.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • June
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Mulch

        Mulch with 2 to 4 inches of shredded bark.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • July
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Mulch

        Mulch with 2 to 4 inches of shredded bark.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • August
    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

  • September
    • Buy

        Buy bulbs when available in the nursery.

    • Plant

        Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Fertilize

        Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Propagate

        Divide only 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 when available in the nursery.

    • Plant

        Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Propagate

        Divide only 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 sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Propagate

        Divide only 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.

  • December
    • Buy

        Buy bulbs when available in the nursery.

    • Plant

        Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

    • Water

        Keep the soil evenly moist at all times.

    • Pest/Disease Inspection

        Check plants for snails, slugs and thrips.

    • Treat for Pest/Disease

        Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

    • Transplant

        Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

  • 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 when available in the nursery.

            • February

              Buy bulbs when available in the nursery.

            • September

              Buy bulbs when available in the nursery.

            • October

              Buy bulbs 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
            • January

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting

            • February

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

            • September

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

            • October

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

            • November

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

            • December

              Plant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

          • 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
              • March

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • April

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • May

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • June

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • July

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • August

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

              • September

                Feed with an acid-based blooming fertilizer monthly. If the soil is on the alkaline side, apply aluminum sulfate or iron sulfate every 6 to 8 weeks.

            • 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

                Keep the soil evenly moist at all times.

              • February

                Keep the soil evenly moist at all times.

              • March

                Keep the soil evenly moist at all times.

              • April

                Keep the soil evenly moist at all times.

              • May

                Keep the soil evenly moist at all times.

              • June

                Keep the soil evenly moist at all times.

              • July

                Keep the soil evenly moist at all times.

              • August

                Keep the soil evenly moist at all times.

              • September

                Keep the soil evenly moist at all times.

              • October

                Keep the soil evenly moist at all times.

              • November

                Keep the soil evenly moist at all times.

              • December

                Keep the soil evenly moist at all times.

            • 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
                • April

                  Mulch with 2 to 4 inches of shredded bark.

                • May

                  Mulch with 2 to 4 inches of shredded bark.

                • June

                  Mulch with 2 to 4 inches of shredded bark.

                • July

                  Mulch with 2 to 4 inches 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
                • 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

                    Check plants for snails, slugs and thrips.

                  • February

                    Check plants for snails, slugs and thrips.

                  • March

                    Check plants for snails, slugs and thrips.

                  • April

                    Check plants for snails, slugs and thrips.

                  • May

                    Check plants for snails, slugs and thrips.

                  • June

                    Check plants for snails, slugs and thrips.

                  • July

                    Check plants for snails, slugs and thrips.

                  • August

                    Check plants for snails, slugs and thrips.

                  • September

                    Check plants for snails, slugs and thrips.

                  • October

                    Check plants for snails, slugs and thrips.

                  • November

                    Check plants for snails, slugs and thrips.

                  • December

                    Check plants for snails, slugs and thrips.

                • 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

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • February

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • March

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • April

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • May

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • June

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • July

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • August

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • September

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • October

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • November

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                  • December

                    Remove and destroy snails and slugs. Treat thrips with the appropriate pesticide.

                • 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
                  • January

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                  • February

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                  • September

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                  • October

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                  • November

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                  • December

                    Transplant in a sunny, moist location in soil on the acidic side. Use a peat moss-based potting soil for container planting.

                • 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
                  • January

                    Divide only 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.

                  • February

                    Divide only 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 only 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 only 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

                    Divide only 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

                    Click This Button To Use These Plant Care Reminders

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