18 Perennial Veggies You Can Plant Once and Harvest For Years

bulbs in fall or spring
Harvest: Pull green shoots anytime or dig bulbs in summer
Maintenance: Allow some top bulbs to replant themselves for continuous growth.

7. Sea Kale (Crambe maritima)
Lifespan: 10+ years

Sea kale produces edible shoots, leaves, and flowers, with a flavor similar to mild cabbage.

Growing Tips:

Sunlight: Full sun
Soil: Sandy, well-drained
Planting: Start from root cuttings or seeds
Harvest: Cut shoots in spring before they flower
Maintenance: Mulch heavily to protect roots in cold winters.

8. Good King Henry (Blitum bonus-henricus)
Lifespan: 8–10 years