Garden Scheme

Plant library  ·  Vegetables

Artichoke

Cynara cardunculus var. scolymus

Artichoke, Cynara cardunculus var. scolymus, is a bold perennial vegetable with a broad, thistle-like presence. Reaching about 4 feet tall and 4 feet wide, it earns a permanent-looking place in a sunny food garden rather than a narrow annual row. Harvest runs from late spring into midsummer; unharvested buds can carry the display into its midsummer-to-late-summer bloom period.

  • Pollinator friendly
  • Deer resistant
Sunlight Full Sun
Water Regular
USDA zones 7–11
Spacing 3 ft
Mature size 4 ft tall, 4 ft wide
Bloom Mid summer - late summer

Placement and use

Give artichoke an open position at the back or outer edge of a bed, where its height will not crowd shorter crops or narrow circulation. It works especially well as an anchor at a bed corner or beside a wide path, with its substantial foliage facing open ground instead of a fence or doorway. Keep a clear side for reaching the developing buds, and reserve nearby planting space for asparagus, cabbage, lettuce, or tarragon if those crops are part of the plan.

Spacing and mature footprint

Set plants 3 feet apart, center to center, then plan each one as a plant that can occupy a roughly 4-by-4-foot footprint at maturity. That difference leaves little spare room once plants fill out, so avoid placing paths, low edging, or another large perennial directly between them. In a small layout, use one artichoke as a focal plant rather than trying to pack several into a standard vegetable bed.

Three plants set 3 ft apart, center to center; shaded circles show the 4 ft mature spread.

Sun, water, and soil

Place artichokes in full sun, in rich, well-drained soil that stays evenly moist. Regular watering suits the large leafy clump, especially where the bed dries quickly in summer. A sheltered site is useful where strong winds can catch the tall flowering stems, but keep the planting area open enough to accommodate its full spread.[1][2]

Seasonal notes

Treat the bed as seasonally occupied for more than the harvest window. Buds are ready from late spring through midsummer, followed by blooms from midsummer into late summer if some heads remain uncut. In colder parts of its range, use mulch for winter protection and avoid assigning that bed space to crops that need to be planted through the artichoke clump’s return in spring.

Growing facts

Botanical name
Cynara cardunculus var. scolymus
Type
Perennial
Category
Vegetables
Lifecycle
perennial
USDA hardiness zones
7–11
Sunlight
Full Sun
Water
Regular
Plant spacing
3 ft
Mature size
4 ft tall, 4 ft wide
Days to maturity
180
Bloom season
Mid summer - late summer
Harvest season
Late spring - mid summer
Pollinator friendly
Yes
Deer resistant
Yes
Native to North America
No

References

  1. Cynara cardunculus Scolymus Group — North Carolina Extension Gardener Plant Toolbox
  2. Cynara cardunculus Scolymus Group | globe artichoke — Royal Horticultural Society

Editorial content updated 2026-07-20.