Imperial Star Artichoke Seeds

Imperial Star Artichoke Seeds

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| Ships in 3-5 business days
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Fruits the first year | Nearly 3 times the yield of older varieties
SKU 05006
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Key Characteristics
Days To Maturity

150

Mature Height

2.5 Feet

Mature Width

24 IN

Sun / Shade

Full Sun

Description / Imperial Star Artichoke Seeds

Days to Maturity: 90 to 150

A high-yielding green artichoke, Imperial Star is a fruit vegetable, commonly called globe artichoke. The plant sets large, round flower buds that are more tender and have a sweeter, milder flavor than other green globe strains. Artichoke is considered a superfood for its nutrient rich content, having a high (top 25) Aggregate Nutrient Density Index score (ANDI), or micronutrient-per-calorie density. Globe artichokes are a good source of folate and fiber. They also contain biotin, niacin, vitamin C, magnesium, potassium, and phytonutrients, mainly the carotenoids lutein and zeaxnthin.

Developed to be grown as an annual, Imperial Star, an herbaceous perennial (Zones 7-9), is a member of the aster family (Asteraceae). The hardy, medium-size, thornless plant produces full-sized artichokes the first year, with 1 to 2 primary buds and 5 to 7 smaller secondary buds. The buds are slow to open, making for a more leisurely harvest, and are best harvested at 4½ inches. Imperial Star has an upright, open habit of deeply serrate, nearly spineless leaves and a vigorous growth rate. If the plant is not harvested, the artichoke buds open into large (up to 7 inches), thistlelike, violet blue flowers. Equally ornamental, Imperial Star fits perfectly into an edible landscape or mixed border.

Imperial Star was bred for fast bud development and a short vernalization period, so it grows easily from seed in one season, growing best in temperate climates with cool summers and mild winters. It prefers full sun and very fertile, moist but well-drained soil with a pH of 6.5 to 7.0. The plant requires frequent watering and regular fertilization for maximum growth. Open pollinated, it produces seed that grows true to variety, ideal for seed saving.

A cool-season vegetable, one of the first to be planted in the garden, artichoke seed can be direct sown into the garden in early spring before the last frost date. It can also be started indoors 6 to 8 weeks before transplanting, spring and fall. It needs cold temperatures to germinate and grow, growing best when day temperatures range between 60 and 70°F and night temperature range between 50 and 60°F. If temperatures are expected to drop below 25°F, protect plants with row covers. Mulching helps to moderate soil temperature as well as to maintain soil moisture and control weeds.

If you plan to start your seeds indoors, be sure to check out our Bio Dome Seed Starter Kit. With the Bio Dome, you can control the temperature, light, and soil mix to ensure your seeds become strong for transplant.

Product Details

Genus Cynara
Species scolymus
Variety Imperial Star
Product Classification Seeds, Vegetables
Sun / Shade Full Sun
Foliage Color Blue Green
Habit Upright
Days To Maturity 150.00
Harvest Season Late Summer
Characteristics Edible
Uses Outdoor
Zone 8, 9, 10, 11

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