Oslo – Organic (F1) Leek Seed

New! High-quality organic fall leek.
A choice variety to close out or extend your leek season. Matures late fall to winter and can be overwintered in temperate climates. Healthy, broad, dark blue leaves. Stocky shanks with no bulb are easy to peel and clean. High-yielding. Stores well. USDA Certified Organic.

Specs:

• Packet: 50 seeds
• Avg. 218,000 seeds/lb

SCIENTIFIC NAME:Allium porrum
CULTURE: Leeks are heavy feeders and require fertile soil (pH of 6.2-6.8) for best results.
GROWING SEEDLINGS: Sow in flats in Feb.-March, 1/4″apart, 1/4″deep or start in plug flats, thinning to one plant per cell.
TRANSPLANTING: Beginning in late spring, when approx. 8″tall and pencil-thick, transplant 6″apart in rows at least 12″apart in holes dibbled 6″deep. Only 2-3″of leaves need to extend above the soil surface. Do not firm soil – allow irrigation or rain to fill in the dibble hole.
DIRECT SEEDING: Sow in early spring, 6 seeds/ft., 1/4- 1/2″deep, in rows 24″apart. Thin to 6:.
BLANCHING: During the growing period hill the plants with soil 2 or 3 times, higher with each hilling. This forces the leaves higher up the plant resulting in extra-long blanched stalks and a much longer edible portion. When using the :dibble method,”hilling is reduced or eliminated.
HARVEST: When plants reach desired size, loosen with a spading fork and lift plant.
STORAGE: Clean leeks and store several weeks at near freezing in a humid cooler in boxes, or store in a root cellar with roots in moist soil/sand/peat mix.
DAYS TO MATURITY: From transplanting; add 20-30 days if direct seeding.
AVG. DIRECT SEEDING RATE: 1,000 seeds/165′, 1 oz./1,650′, 11 oz. or 105M/acre at 6 seeds/ft. in rows 30″apart.
TRANSPLANTS: Avg. 1 oz./6,000 plants, 1 lb./96,000.
SEED SPECS: SEEDS/OZ.: 7,700-10,700 (avg. 9,400).
PACKET: 250 seeds, sows 38-40′ or 140 transplants unless otherwise noted.