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vegetablePerennialEdible
Artichoke
Cynara cardunculus var. scolymus
Also known as: globe artichoke
Large thistle-like perennial producing edible flower buds. Dramatic silvery foliage. Needs vernalization to set buds in annual culture.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing36–48″
Row Spacing48–72″
Planting Depth0.25″
Height36–60″
Spread36–48″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
8–10 weeks before last frost
Transplant Outdoors
2–9 weeks after last frost
Germination
10–21 days
Days to Harvest
150–180 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 7–11
Can overwinter in appropriate zones
Perennial in zones 7–11
Perennial in zones 7–11, grown as annual elsewhere. Needs cold period (vernalization) to set buds. Mulch crowns heavily in cold zones.
Companion Plants
No companion data available for this plant yet.