Allium ampeloprasum (Porrum Group) ~ Leeks

Allium ampeloprasum (Porrum Group) ~ LeeksLeeks are a biannual often used as an annual for its edible blue green stalk and leaves that a delicate sweet and mild onion taste. Grows best with full sun in rich and moist well drained loamy soils. Only flowers in the second year, so if grown as annual the flowers will never be seen. Type: Annual, Biannual Origins: Northern Hemisphere Height: 2' 3' Spread: 1' 2' Spacing: 1. 5' USDA Hardiness Zone: 2 11 Culture: Full Sun, Part Sun Bloom Color:

Leeks are a biannual often used as an annual for its edible blue-green stalk and leaves that a delicate sweet and mild onion taste.  Grows best with full sun in rich and moist well-drained loamy soils.  Only flowers in the second year, so if grown as annual the flowers will never be seen.

MAINTENANCE NEEDS: Low maintenance. Bulb rot will occur in overly moist or poorly drained soils.  Watch for mildew, rust, and leaf spot.  Thrips are occasional problems.

LANDSCAPE USES:  Accents or Group Plantings, Woodland Gardens, Rock Gardens, Groundcover, and Containers.

COMPANION PLANTS: Switchgrass, Russian Sage, Stonecrop

IMAGES: Lucyin, Poretes (Allium porrum), CC BY-SA 4.0, (2) Schlaghecken Josef, Porree (Allium porrum) junge Pflanzen in einer Dammkultur - Josef Schlaghecken, CC BY-SA 4.0, (3) Netha Hussain, Leeks plant in a pot 15, CC BY-SA 4.0, (4) Umulo, Aro de Poreoj, CC BY-SA 4.0

*As plants have ranges in appearance they may not appear as the images shown.