18 Perennial Veggies You Can Plant Once and Harvest For Years

Sorrel is a leafy green with a tangy, lemony flavor, great in soups and salads.

Growing Tips:

Sunlight: Full sun to partial shade
Soil: Moist, fertile
Planting: Sow seeds in spring or start from divisions
Harvest: Cut leaves regularly to encourage regrowth
Maintenance: Divide plants every few years to maintain vigor.

6. Egyptian Walking Onions (Allium × proliferum)
Lifespan: Indefinite

These onions produce clusters of small bulbs at the top of their stalks, which bend down and “walk” across the garden.

Growing Tips:

Sunlight: Full sun
Soil: Loose, well-drained
Planting: Plant