Summer leeks: If you pre-cultivate indoors from January to March, you can harvest fine summer leeks.
Autumn spores: If you sow from February to March, you will get autumn leeks.
Sowing time – for summer leeks cultivate indoor in January, February, and March and is planted in April-May
Sowing time – for winter leeks, cultivate indoor in April-May and is planted in July and August.
Seed depth: 2-3 cm
Plant spacing: 8-15 cm