Saturday, April 18, 2009

Growing Leeks in Hydroponics

(Allium porrum)
Planting Info:
Can be Transplanted
Seeds per Gram: 250
Space between rows: 5 cm (2”)
Space between seeds: 0.5 cm (1/4’)
Planting Depth: 1 cm (1/3”)
Germination: 10 Days
Germination and Transplanting: 35-40
Transplanting and Harvest: 80
Transplanting Distances:
Between Rows: 10 cm ( 4 in)
Between plants: 10 cm (4 in)
Plants per m2: 81
pH from 6.0 to 8.0 with 6.5 to 7.0 being
Leeks are grown like onions. The leeks form at the
base of the plant, and can be picked and eaten when
they have a diameter of about 3/4”. When plants
get to be 3 to 4” tall push extra media around the
stem area up to the growing leaves. This will turn the
stems white and make them more tender.
Leeks need a night temperature of 550 F (130C) or
greater, and grow best in a daytime temperature of
800 (270C) or greater. They should receive lots of sun
in a warm place in the growing area. Leeks also grow
in the winter, but much more slowly.
Pests: Onion maggots and thrips.
Diseases: Downy mildew, neck rot, pink rot, rust and
Harvest: Harvest leeks when the stems are one to two
inches in diameter.

From: "Home Hydroponic Gardens" by Peggy Bradley & Cesar Marulanda


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