Leek
veg
Leek (standard)
Cold-hardy; long season crop.
Ordering identifiers
- SKU
- PLT-10034
- Barcode
- 08100010035
- Supplier / brand
- PlantIt Seed Co. · PlantIt Basics
- Packet size
- ~50 seeds
- Seeds per pack
- 50
- Germination %
- 100%
- Growth habit
- BUSH
- Sow method
- TRANSPLANT
- Plant spacing
- 6 inches
- Row spacing
- 8 inches
- Height / spread
- 12 / 6 in
- Light preference
- full sun
- Hardiness zones
- 3-9
- Temp preference
- warm season
- Germination temp
- 70–85°F
- Days to germinate
- 12 days
- Soil
- Well-drained, fertile soil; amend with compost.
- Days to transplant
- 70
- Days to harvest
- 120 (±24d window)
- Seed vs last frost
- -10 weeks
Garden size
Suited to: garden plot / in-ground · raised bed · container
Other info
- Direct sow: —
- Start indoors: Start indoors about 10 weeks before last frost.
- Transplant: Transplant at 70 days from sowing, after frost risk.
- Thin: Thin seedlings to 6" apart once true leaves appear.
Companions & antagonists
Plant with: Carrot, Celery, Onion
Avoid near: Bush Beans
Water by environment
- Grow tent: Steady moisture for long white shanks.
- Greenhouse: Even water; hill soil for blanching.
- Outdoors: 1 in/week; hill as they grow.
Sample schedule (zone 7a, outdoors)
- Start indoors — Start indoors / under cover (indoors), 10 wk before last spring frost (Apr 4, 2027). Start indoors about 10 weeks before last frost.Jan 24
- Germinate — Expect germination (~12 days after sow)Feb 5
- Transplant — Transplant indoors → outdoors. After last spring frost (Apr 4, 2027 + -2 wk). Transplant at 70 days from sowing, after frost risk.Apr 4
- Harvest — Harvest window opens (~120 days after transplant; ~24 day window) (first fall frost ~Oct 23, 2027)Aug 2