Artichoke Green Globe Seeds

Green Globe is a large cool-season globe artichoke grown for rounded green edible buds with substantial hearts. It is naturally perennial and normally rewards multi-season culture more reliably than a rushed first-year crop. Green Globe can be grown for several seasons where drainage and climate are suitable.

Ready to grow your own artichoke buds? Follow our step-by-step Artichoke Grow Guide for sowing, germination, regional timing and care advice.

Quick Grow Facts

• Plant type: Cool-season perennial vegetable; annual or biennial treatment is practical where frost, heat or wet soil prevents reliable crowns
• Scientific name: Cynara cardunculus Scolymus Group (widely listed as Cynara scolymus)
• Variety: Green Globe
• Seed form: Raw seed; seed form does not establish untreated or food-grade status
• Regional sowing season: Use the linked regional guide to place the crop into a safe cool establishment window
• Position: Full sun in cool weather; protect establishing plants from severe dry heat and wind
• Sow depth: About 2 cm in an individual pot or deep cell; cover the seed and give bright light immediately after emergence
• Germination light: Cover the seed; give bright light immediately after emergence
• Germination temperature: Around 21–24°C for the shared warm pot-sowing method
• Germination: Check emergence regularly and maintain stable moisture; home timing varies with conditions
• Transplant: When well rooted and large enough to handle; protected production commonly takes about two to three months. Harden gradually and do not bury the crown
• Chilling for buds: Established seedlings or crowns need suitable cool exposure for bud initiation; response varies by cultivar and conditions, and a short chilling recipe does not guarantee first-season buds
• Spacing: 1 m minimum; allow about 1.2 m for permanent plants where space permits
• Height and spread: Commonly about 1–1.5 m high and wide under good conditions
• Harvest: Harvest enlarged buds while they remain firm and tightly closed; establishment and climate affect harvest timing
• Bud outcome: Expect large rounded green buds and a stronger crop after the crown has established. Seed-grown plants may vary.

Sowing and Care

Sow about 2 cm deep in a warm seed zone around 21–24°C and do not surface-sow. Use a deep cell or 8–10 cm pot of clean, free-draining seedling mix. Keep it evenly moist but never saturated and provide bright light from emergence. Move well-rooted plants before roots coil, hardening them gradually first.

Cool exposure supports bud initiation, but first-season buds are not guaranteed; seed refrigeration is not a universal substitute for suitable plant development and climate. Plant into deep, compost-enriched, well-drained soil at least 1 m apart. Keep water steady through bud formation, feed moderately during active growth, and keep wet mulch away from the crown.

Harvest

Cut the primary bud first while the bracts are tight, leaving about 7.5–10 cm of stem. Pick smaller side buds as they size up. Open flowers are beautiful, but the bud becomes fibrous and past eating quality once the scales spread.

Safety

Never eat the seed or use it for sprouting. Use only controls currently labelled in South Africa for edible artichoke and observe all withholding periods.

Ubuntuberg Seeds was founded by a horticulturist to provide high-quality horticultural seed to gardeners and professional growers throughout Southern Africa.