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Globe artichoke
Plant Care Instructions By Steve Brigham

Along the Southern California coast, the main season for harvesting artichokes is mid to late spring. But if you cut the old flower stalks back after spring harvest, you can get another crop in the fall. Be sure you give plants plenty of room to grow in full sun on the coast or with a little afternoon shade in warmer inland areas. Green Globe is an old favorite that is usually available as dormant roots in winter. \'Imperial Star\' is an improved low-chill, heat-tolerant variety that you can grow from seed starting in September for harvest the next spring.

Is Indoor Plant?

No

These month by month plant care tasks are for plants in the following zones :
Sunset Zones : 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 dormant roots for planting this month.

    • Plant

        Plant dormant roots 4-5 feet apart in a rich, well-drained soil. Full sun is fine on the coast, with a little afternoon shade best in warmer inland areas.

    • Fertilize

        Work a balanced fertilizer into the soil before planting dormant roots.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

  • February
    • Buy

        Buy dormant roots for planting this month.

    • Plant

        Plant dormant roots 4-5 feet apart in a rich, well-drained soil. Full sun is fine on the coast, with a little afternoon shade best in warmer inland areas.

    • Fertilize

        Work a balanced fertilizer into the soil before planting dormant roots. Feed established plants with a balanced fertilizer.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

  • March
    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

    • Mulch

        Mulch to conserve soil moisture and water use.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

  • April
    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

    • Harvest

        Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

  • May
    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

    • Harvest

        Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

  • June
    • Fertilize

        Feed established plants with a balanced fertilizer after you cut plants back after harvest.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

    • Prune

        After harvesting all buds on a stalk, cut the old stalk back to the ground to encourage a second fall crop.

    • Mulch

        Mulch to conserve soil moisture and water use.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

    • Harvest

        Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

  • July
    • Buy

        Buy seed, if desired, for fall planting.

    • Fertilize

        Feed established plants with a balanced fertilizer after you cut plants back after harvest.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

    • Prune

        After harvesting all buds on a stalk, cut the old stalk back to the ground to encourage a second fall crop.

  • August
    • Buy

        Buy seed, if desired, for fall planting.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods.

  • September
    • Sow Seeds

        Plant seeds of 'Imperial Star' in rich well-drained soil for harvest next spring.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

    • Mulch

        Mulch to conserve soil moisture and water use.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

    • Harvest

        Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

  • October
    • Fertilize

        Feed established plants with a balanced fertilizer.

    • Water

        Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

    • Pest/Disease Inspection

        Watch for aphids on foliage and flower buds.

    • Treat for Pest/Disease

        Wash aphids off foliage and flower buds with a strong spray of water.

    • Harvest

        Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

  • November
    • Water

        Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

    • Transplant

        If necessary, transplant young seedlings to 4-5' apart.

  • December
    • Water

        Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

  • 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 dormant roots for planting this month.

            • February

              Buy dormant roots for planting this month.

            • July

              Buy seed, if desired, for fall planting.

            • August

              Buy seed, if desired, for fall planting.

          • 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 dormant roots 4-5 feet apart in a rich, well-drained soil. Full sun is fine on the coast, with a little afternoon shade best in warmer inland areas.

            • February

              Plant dormant roots 4-5 feet apart in a rich, well-drained soil. Full sun is fine on the coast, with a little afternoon shade best in warmer inland areas.

          • 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
            • September

              Plant seeds of \'Imperial Star\' in rich well-drained soil for harvest next spring.

          • 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
            • January

              Work a balanced fertilizer into the soil before planting dormant roots.

            • February

              Work a balanced fertilizer into the soil before planting dormant roots. Feed established plants with a balanced fertilizer.

            • June

              Feed established plants with a balanced fertilizer after you cut plants back after harvest.

            • July

              Feed established plants with a balanced fertilizer after you cut plants back after harvest.

            • October

              Feed established plants with a balanced 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
            • January

              Water established plants thoroughly and deeply once a week during dry periods.

            • February

              Water established plants thoroughly and deeply once a week during dry periods.

            • March

              Water established plants thoroughly and deeply once a week during dry periods.

            • April

              Water established plants thoroughly and deeply once a week during dry periods.

            • May

              Water established plants thoroughly and deeply once a week during dry periods.

            • June

              Water established plants thoroughly and deeply once a week during dry periods.

            • July

              Water established plants thoroughly and deeply once a week during dry periods.

            • August

              Water established plants thoroughly and deeply once a week during dry periods.

            • September

              Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

            • October

              Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

            • November

              Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

            • December

              Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.

          • 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
            • June

              After harvesting all buds on a stalk, cut the old stalk back to the ground to encourage a second fall crop.

            • July

              After harvesting all buds on a stalk, cut the old stalk back to the ground to encourage a second fall crop.

          • Mulch

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

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

              Mulch to conserve soil moisture and water use.

            • June

              Mulch to conserve soil moisture and water use.

            • September

              Mulch to conserve soil moisture and water use.

          • 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
              • March

                Watch for aphids on foliage and flower buds.

              • April

                Watch for aphids on foliage and flower buds.

              • May

                Watch for aphids on foliage and flower buds.

              • June

                Watch for aphids on foliage and flower buds.

              • September

                Watch for aphids on foliage and flower buds.

              • October

                Watch for aphids on foliage and flower buds.

            • 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
              • March

                Wash aphids off foliage and flower buds with a strong spray of water.

              • April

                Wash aphids off foliage and flower buds with a strong spray of water.

              • May

                Wash aphids off foliage and flower buds with a strong spray of water.

              • June

                Wash aphids off foliage and flower buds with a strong spray of water.

              • September

                Wash aphids off foliage and flower buds with a strong spray of water.

              • October

                Wash aphids off foliage and flower buds with a strong spray of water.

            • 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
              • November

                If necessary, transplant young seedlings to 4-5\' apart.

            • 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
                • April

                  Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

                • May

                  Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

                • June

                  Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

                • September

                  Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

                • October

                  Harvest flower buds while they are still tight, before the bracts begin to separate. The top bud on each flower stalk will be the biggest, but after you harvest it smaller side buds will develop.

              • 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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