Cynara scolymus

Artichoke

Zone 12b Save Garden

Botanical illustration of Cynara scolymus

🌱 150d to harvest Clumping

Unfurling in late season, Cynara scolymus forms globe artichokes with a regal, tightly layered crown—tender, meaty hearts wrapped…

Crop Dates

Milestone	Date
Start Indoors	Oct 23rd
Last Frost	Jan 1st
Transplant / Sow Outdoors	Dec 25th
Harvest Begins	May 24th
Harvest Ends	Dec 31st

Crop Details

Trait	Value
Days to Maturity	150
Sun Requirements	Full Sun
Growth Habit	Clumping
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	7

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Frequently Asked Questions

What pests or diseases commonly affect Cynara scolymus (artichoke), and how do I manage them?

In home gardens, Cynara scolymus is frequently troubled by aphids and slugs/snails, and it can develop fungal leaf spots in damp conditions. Use a strong water spray or insecticidal soap for aphids, hand-remove slugs/snails at dusk and set slug bait where allowed, and remove badly spotted leaves while improving airflow around plants. Avoid wetting foliage during irrigation to reduce leaf-spot flare-ups.

How often should I water Cynara scolymus during the main growing phase?

During active vegetative growth, keep the soil consistently moist but not waterlogged—about 1 to 1.5 inches (2.5–3.8 cm) of water per week depending on heat and soil type. Water deeply when the top 1 inch (2.5 cm) of soil dries, and maintain this rhythm to prevent bud toughness and stress. Mulch helps stabilize moisture because artichokes are sensitive to drying cycles.

How can I tell when Cynara scolymus is ready to harvest?

Harvest when the buds are fully formed but before the inner bracts open and show purple, typically after roughly 150 days to maturity. Cut the head 1–2 inches (2.5–5 cm) below the bud with a sharp knife, and harvest regularly because new buds will continue to size up once plants start producing. If a bud begins to open, it will become less tender quickly—harvest immediately.

Unfurling in late season, Cynara scolymus forms globe artichokes with a regal, tightly layered crown—tender, meaty hearts wrapped in silvery-green bracts that feel velvety to the touch. Expect a rich, unmistakably nutty flavor with a gentle sweetness and a pleasantly firm bite, perfect for roasting and grilling, as well as for bold sauces and tangy preserves. Grow this classic Globe Artichoke for show-stopping harvests that reward your patience with every lush, architectural bud.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.

Expert Note

Start plants early in cool springs, then mulch heavily after transplanting to protect crowns from winter injury.