Notes
Dibble 6 in deep for blanch. King Richard for summer; Bandit/Tadorna overwinter.
Cultivars / Alliums
Tadorna
Leek · Allium ampeloprasum
DTM
100 d
130 d occupancy · extreme
Rows
3
6 in in-row
Density
6
plants / bed-ft
Yield
2.4
lb / bed-ft
Direct $/ft
$8.83
$4.00 / lb
Propagation
- Method
- Transplant
- Cell size
- 128s
- Nursery lead
- 70 d
- Germination
- 10 d
- Germ temp
- 50°F – 80°F (opt 68°F)
- Seed spacing
- 1 in
Field geometry · 30 in
- Bed width
- 30 in
- Rows / bed
- 3
- In-row
- 6 in
- Seed spacing
- 1 in
- Plants / linear ft
- 6
- Plants / 50 ft
- 300
Timeline
- DTM from field
- 100 d
- Holding
- 30 d
- Occupancy
- 130 d
- Multicut
- no
- Fall photoperiod
- ×1.05
- Frost hardiness
- Extreme
Yield & revenue
- Sales unit
- lb
- Units / bed-ft
- 2.4
- Avg unit wt
- 1 lb
- Target lb / bed-ft
- 2.4 lb
- Cull rate
- 8%
- Wholesale / Direct
- $2.50 / $4.00
Irrigation
- Drip lines / bed
- 2
- Emitter spacing
- 8 in
- Emitter GPH
- 0.42
- Weekly water
- 1.1 in
- GPH / 50 ft
- 63
- Gal / week · 50 ft
- 85.7
Soil extraction
- Fertility demand
- Moderate
- N / 100 bed-ft
- 1.4 lb
- P / 100 bed-ft
- 0.45 lb
- K / 100 bed-ft
- 1.8 lb
- N-P-K / 50 ft
- 0.7 / 0.2 / 0.9 lb
- Family
- Amaryllidaceae
On this farm · 50 ft block
- Season window
- 2026-02-18 → 2026-11-24
- First greenhouse
- 2025-12-10
- First harvest
- 2026-05-29
- Successions that fit
- 1 · every — d
- Bed-ft for 50 lb
- 23 ft
- Seed for 50 ft
- 353 seeds · 300 plants
- Wholesale / Direct · 50 ft
- $276.00 / $441.60
Companions
carrot · celery
Avoid
bean