Cynara cardunculus 'Giant'

Family: Asteraceae Vegetable

Unfurling into towering, architectural hearts, Cynara cardunculus ‘Giant’ offers a bold, artichoke-like aroma with a pleasantly bitter edge that gardeners love to tame.

The thick, fleshy ribs are firm and succulent, forming large, upright clumps with a satisfying crunch and a deep, savory character ideal for roasting, braising, and transforming into rich sauces. Grow ‘Giant’ for dramatic garden presence and bountiful, platter-ready cardoon harvests at about 120 days.

Light: Full SunMaturity: 120 DaysHabit: Clumping

Botanical illustration of Cynara cardunculus 'Giant'

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 14th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 11th
Harvest Begins	Aug 9th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	120
Sun Requirements	Full Sun
Growth Habit	Clumping
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	6

Culinary Notes

Chef's Note

‘Giant’ cardoon brings real, chewable bite—those thick ribs hold up to high heat without collapsing, while the bitter edge smooths out in braises. Use a bright acid (lemon or white wine) and a fat (olive oil or butter) to turn the bitterness into something round and addictive, not sharp.

Best Uses

blanched or boiled ribs then roast until bronzed and nutty
braise in wine/stock until the bitterness softens and the texture turns spoon-tender
grill or char, then dress with lemon and olive oil to sharpen the edges
blend into a thick, creamy-ish sauce (with dairy or olive oil) for pasta or beans

Flavor Profile

bold artichoke-like aroma pleasant bitterness that turns silky with heat firm, succulent ribs with a satisfying crunch savory, vegetal intensity

Kitchen Pairings

lemon garlic olive oil white wine Parmesan butter

Frequently Asked Questions

What pests or diseases commonly hit Cynara scolymus (artichoke) and what can I do quickly?

Artichokes commonly suffer from aphids and occasionally fungal leaf spots (often worse with wet foliage and poor airflow). Spray a strong jet of water to knock off aphids, then treat with insecticidal soap if numbers build, and remove heavily spotted leaves to reduce spread. Avoid overhead watering—water at the soil line—and space plants so leaves dry fast after irrigation or rain.

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

During active growth (roughly from establishment through heading formation), keep soil evenly moist but not waterlogged—aim for about 1 inch (2.5 cm) of water per week, increasing in hot, windy weeks. Water deeply, then let the top 1–2 inches of soil dry slightly before watering again to prevent crown rot. Mulch around the plants to stabilize moisture and reduce drought stress that can limit head size.

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

Harvest when the buds are fully formed but before the inner bracts loosen and the choke begins to open—this is usually around 120 days from planting to maturity. Check the top bud: it should feel tight and firm, with bracts still tightly closed and a fresh, green appearance rather than a browning, opening look. Use a sharp knife to cut the bud with a short stem, then allow side buds to develop for additional harvests.