Family Owned Since 1979
Cultivating Gardeners

OSLO

OSLO

Product Description:

110 days. A superb, late-maturing leek for overwintering. Oslo boasts easy-to-clean, stout plants with broad, white shanks and dark blue leaves. Expect a long harvest window, as this crop also shows outstanding resistance to bolting.
  • Key Features:

ORGANIC SEED

$4.95

$4.95

  • Key Features:

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Soil Temp for Germ 50–85°F
Seed Depth ¼–½"
Days to Emergence 6–16
Soil Temp for Transp 45°F
Plant Spacing 4–5"
Row Spacing 12–18"
Fertilizer Needs Medium
Minimum Germination 70%
Seeds per Gram ≈ 350
Seed Life 1 year

Allium ampeloprasum Packed with vitamins K and A, this hearty member of the onion-family is superb in soups and stews, grilled, or sliced into slivers and added to omelets. Get creative with this versatile veggie!

Days to maturity are calculated from transplant date.

Culture
• Leeks are a frost-hardy cool season crop requiring a long growing period
• Best growth is achieved with fertile, well-drained soil with a pH of 6.0-7.0
• Plant in a trench 5 inches deep and wide, work in 1/2 cup of TSC's Complete fertilizer per 5 row feet
• Blanch to increase the length of white stem by gradually filling in the trench as the leeks grow

Direct Sowing
• Thin to the strongest plant when 4-5 inches

Transplanting
• Sow up to 10-12 seeds in a 4-6 inch pot
• If tops reach over 5 inches before transplant, cut to 3 inches
• When planting out carefully separate the seedlings and place in a shallow trench
• Fill trench around seedlings and water in well

Harvest & Storage
• Harvest anytime the leeks are 1/2 inch in diameter or larger
• Store at 36°F and 95% relative humidity

Thanks for signing up for our weekly newsletter!