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General Information

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

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. Buy

    Buy dormant roots for planting this month.
    2. 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.
    3. Fertilize

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

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

    Buy dormant roots for planting this month.
    2. 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.
    3. Fertilize

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

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

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

    Mulch to conserve soil moisture and water use.
    3. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    4. Treat for Pest/Disease

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

    Water established plants thoroughly and deeply once a week during dry periods.
    2. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    3. Treat for Pest/Disease

    Wash aphids off foliage and flower buds with a strong spray of water.
    4. 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
    1. Water

    Water established plants thoroughly and deeply once a week during dry periods.
    2. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    3. Treat for Pest/Disease

    Wash aphids off foliage and flower buds with a strong spray of water.
    4. 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
    1. Fertilize

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

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

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

    Mulch to conserve soil moisture and water use.
    5. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    6. Treat for Pest/Disease

    Wash aphids off foliage and flower buds with a strong spray of water.
    7. 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
    1. Buy

    Buy seed, if desired, for fall planting.
    2. Fertilize

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

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

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

    Buy seed, if desired, for fall planting.
    2. Water

    Water established plants thoroughly and deeply once a week during dry periods.
    September
    1. Sow Seeds

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

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

    Mulch to conserve soil moisture and water use.
    4. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    5. Treat for Pest/Disease

    Wash aphids off foliage and flower buds with a strong spray of water.
    6. 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
    1. Fertilize

    Feed established plants with a balanced fertilizer.
    2. Water

    Water established plants thoroughly and deeply once a week during dry periods. Do not let young seedlings dry out.
    3. Pest/Disease Inspection

    Watch for aphids on foliage and flower buds.
    4. Treat for Pest/Disease

    Wash aphids off foliage and flower buds with a strong spray of water.
    5. 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
    1. Water

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

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

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

    January

    Buy dormant roots for planting this month.

    February

    Buy dormant roots for planting this month.

    June

    Buy seed, if desired, for fall planting.

    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?

    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?

    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?

    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?

    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?

    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?

    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.

    Pest/Disease Inspection

    What are the common problems this plant will face and when should you look for them to appear?

    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?

    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?

    November

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

    Harvest

    When's a good time to harvest this plant? What's the best way to harvest? Are there special requirements or features?

    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.

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