18 Perennial Veggies You Can Plant Once and Harvest For Years

from crowns or transplants in spring
Harvest: Pick buds when tight and firm
Maintenance: Mulch heavily in colder climates or lift and store crowns over winter.

4. Jerusalem Artichoke (Helianthus tuberosus)
Lifespan: Indefinite if tubers are left in the ground

Also known as sunchokes, these produce nutty, crisp tubers beneath sunflower-like plants.

Growing Tips:

Sunlight: Full sun
Soil: Loose, sandy
Planting: Plant tubers in spring
Harvest: Dig after frost for sweeter flavor
Maintenance: Contain growth in dedicated beds as they can spread aggressively.

5. Sorrel (Rumex acetosa)
Lifespan: 4–6 years