Artichokes & Cardoon

Emerald Artichoke

Emerald Artichoke


Thornless, meaty and astoundingly productive, Emerald has everything an artichoke lover could ask for and more. At our trial farm each plant produced about a dozen flowers the first year from seed. These glossy, deep green, oval shaped buds are packed with delicious, meaty-based leaves and a full heart. They uniformly measure an impressive 5 inches in diameter and 4 inches long. Emerald's 4-5 foot tall plants have a robust, upright habit with hefty stalks and silvery foliage. This friendly variety is spine-free, so you can prepare and enjoy it without it biting back! Grow it as a perennial in zone 7 and above, or as an annual in colder regions.

   Hybrid Variety
Approximately 15-20 seeds per gram.
  • AR006/S
  • 1 gram
  • $4.25

  • AR006/P
  • 4 grams
  • $11.75

  • AR006/B
  • 1/2 oz
  • $29.95
  • More Information
  • Customer Reviews (2)
Soil Temp for Germ.Days to EmergenceSeed DepthSoil Temp for Trans.Plant SpacingRow SpacingMin. Germ.Seed LifeSeeds per gramFertilizer Needs
65-75°F10-201/4"45°F3-5'4-6'70%1 year≈ 15-20Low

Cynara cardunculus var. scolymus: The flower buds of the artichoke are the harvested part of the plant. Artichokes are reported to contain the highest level of antioxidants of all vegetables!

C. cardunculus: Cardoon is a relative of the artichoke. Instead of consuming the flower as with artichokes, the fleshy leaf stems are eaten. Days to maturity are calculated from date of transplant.

• Artichokes are a tender perennial that prefer mild winters and cool summers
• Deep, fertile, well-drained soils with a pH of 6.5-7.5 provide optimum growth
• Before a hard frost, cut plants to 8-10 inches above ground and mulch with clean straw to keep the crown from freezing; crown death may occur at 25°F or lower

Direct Sowing
• Not recommended

• Start indoors in January, sow 3-5 seeds per 4 inch pot; thin out small or albino seedlings and keep the strongest plant
• Transplant after danger of frost, but when the seedlings can still receive 10-12 days of temperatures under 50°F to induce budding
• Work in 1 cup of TSC's Complete fertilizer around each plant

Insects & Diseases
Common insects: Aphids
Insect control: Neem oil or Pyrethrin
Common diseases: Crown rot, powdery mildew, molds
Disease prevention: Avoid overhead irrigation and water-logged soil

Harvest & Storage
• Cut buds before they start to open
• Smaller artichokes are the most tender
• Cardoon can be harvested green or blanched white by wrapping the young stalks with newspaper or piling straw around the plants for 30 days prior to harvest
• Store at 36°F and 95% relative humidity
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Emerald Artichoke
Feb 3, 2016  |  By Rodolph Farah
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I rate the seeds of Emerald as the best in terms of Propagation and germination. I gave the seeds to a plant nursery, and the germination was 98%, never seen before in other Artichoke varieties. A true F1 Hybrid. Thank you
Lives up to expectations
Sep 13, 2014  |  By Robert A
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I grew Emerald and Green Globe side by side in 2014. There is no comparison. The Emerald is much, much more productive and vigorous. I've harvested 10-15 artichokes per plant in the first year; I've haven't over-wintered them yet. Germination is somewhat poor, and 10-15% are albinos. I ended up with 9 plants from a seed packet of 25 seeds, but the Emerald is well worth it.