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Imperial Star Artichoke Seeds

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85 days. Cynara cardunculus. Perennial. Open Pollinated. Imperial Star Artichokes. The plant produces very flavorful 4 ½" diameter green artichokes. Imperial Star was developed for colder climates. This variety produces artichokes in the first season. Thomas Jefferson raised artichokes in Virginia back in 1767. Ideal for moist coastal areas. Try growing artichokes in your home garden. An excellent choice for home gardens, Farmer’s Markets, market growers, open production, and commercial production. United States Department of Agriculture, PI 542054. A variety from the USA.

SKU: AR2-25

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Country Of Origin: USA USA

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Growing Calendar
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85 days. Cynara cardunculus. Perennial. Open Pollinated. Imperial Star Artichokes. The plant produces very flavorful 4 ½" diameter green artichokes. It is a popular artichoke variety specifically bred for reliable first-year production from seed, making it ideal for home gardeners in a wide range of climates, including cooler areas where traditional varieties often need to be grown as perennials. Imperial Star was developed for colder climates. This variety produces artichokes in the first season. Thomas Jefferson raised artichokes in Virginia back in 1767. It is ideal for moist coastal areas. Try growing artichokes in your home garden. An excellent choice for home gardens, Farmer’s Markets, market growers, open production, and commercial production. United States Department of Agriculture, PI 542054. A variety from the USA.

Lot No: 100728

Germination: 81%

Seeds Per Pound: 9,600

Plant Height: 36 to 48” tall

Planting Season: Spring

Sunlight Requirement: Full Sun

Planting Method: Indoor Sow

Artichokes Cynara scolymus

Seed Depth

Soil Temp. for Germination

Days to Germination

Sunlight Requirements

Planting Time

1/4 to 1/2"

70 F to 80 F

10 to 21 days

Full Sun

Spring/Fall

USDA Hardiness Zone

Seed Spacing

Row Spacing

Space After Thinning

Days to Harvest

8 - 10

3 to 4"

36 - 48"

24 to 36"

60 - 90 days

Artichoke Planting Information:

Artichokes do best in cool weather and are usually planted indoors and transplanted outdoors. They grow best in humid areas where temperatures remain below 50 F for a long period of time. Start seeds indoors 6 to 8 weeks before setting them outdoors. Plants require 50 F to 70 F temperatures to induce budding. Spring planting should occur as soon as soil can be worked and after the last frost, and fall planting done in September, October, and November for spring harvest. When seedlings are 2" to 4" tall, transplant them into larger pots so roots can grow properly. Protect the plants from frost. Plants become less productive in the 5th and 6th year and new plants should be grown. Plants can grow 3 to 5 ft tall.

Soil Requirements:

Requires fertile soil in a well drained location in the garden. Apply mulch, grass clippings, or straw around the base of the plant.

Water Requirements:

Keep seedlings and transplants consistently moist. Water well during dry and hot spells.

Fertilizer Requirements:

Use Slow Release (6 Month) Fertilizer when transplanting outdoors. Periodically apply Miracle Gro Liquid Fertilizer.

Harvest Tips:

Cut the edible flower buds when they are 3 to 4" in diameter. After harvesting, cut the plant back one third to encourage new buds to form.

Artichokes
Growing Calendar

Indoor Germination Temperature: 70 to 80 F
Minimum Outdoor Temperature: 50 to 70 F

Start Indoors Transplant Start Outdoors Start Indoors Fall Transplant Fall Start Outdoors Fall Multiple Crops

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Depth: ¼” to ½“

Days to Germination: 10 to 21 days

Plant Spacing: 24 to 36”

Row Spacing: 36 to 48”

Sunlight Requirement: Full sun

Days to Harvest after Planting Outdoors: 60 to 90 days

USDA Hardiness Zone: 7 to 11

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Reimer seeds has over 5,000 quality vegetable, flower, and herb seeds for the home gardener and market growers. We do not sell any Genetically Modified seeds. This year we reduced our prices on many items, added new items, and have added additional bulk items by the ounce and pounds! Take time to review our impressive Online Seed Catalog. Sorry, we do not have a printed catalog to mail you. Plan your garden, and then order your varieties for this upcoming season. Please check back often, as we add new items regularly. If you don’t see an item you want you can always email us and we’ll see if we can bring it into stock!