Notes
Tender oak-leaf kale. Flea beetle pressure in spring — 0.47 oz insect net from day 0. Sweetens after frost. Strip lower leaves, leave apical meristem.
Cultivars / Brassicas
Red Russian
Kale · Brassica napus subsp. napus
DTM
50 d
114 d occupancy · extreme
Rows
3
10 in in-row
Density
3.6
plants / bed-ft
Yield
2
bunches / bed-ft
Direct $/ft
$7.36
$4.00 / bunch
Propagation
- Method
- Direct or transplant
- Cell size
- 128s
- Nursery lead
- 28 d
- Germination
- 5 d
- Germ temp
- 40°F – 80°F (opt 65°F)
- Seed spacing
- 2 in
Field geometry · 30 in
- Bed width
- 30 in
- Rows / bed
- 3
- In-row
- 10 in
- Seed spacing
- 2 in
- Plants / linear ft
- 3.6
- Plants / 50 ft
- 180
Timeline
- DTM from field
- 50 d
- Holding
- 14 d
- Occupancy
- 114 d
- Multicut
- yes · 6 cuts · 10 d
- Fall photoperiod
- ×1.1
- Frost hardiness
- Extreme
Yield & revenue
- Sales unit
- bunch
- Units / bed-ft
- 2
- Avg unit wt
- 0.6 lb
- Target lb / bed-ft
- 3.2 lb
- Cull rate
- 8%
- Wholesale / Direct
- $2.25 / $4.00
Irrigation
- Drip lines / bed
- 2
- Emitter spacing
- 8 in
- Emitter GPH
- 0.42
- Weekly water
- 1 in
- GPH / 50 ft
- 63
- Gal / week · 50 ft
- 77.9
Soil extraction
- Fertility demand
- Heavy
- N / 100 bed-ft
- 2.1 lb
- P / 100 bed-ft
- 0.45 lb
- K / 100 bed-ft
- 2 lb
- N-P-K / 50 ft
- 1.1 / 0.2 / 1 lb
- Family
- Brassicaceae
On this farm · 50 ft block
- Season window
- 2026-02-18 → 2026-11-24
- First greenhouse
- 2026-01-21
- First harvest
- 2026-04-09
- Successions that fit
- 3 · every 21 d
- Bed-ft for 50 lb
- 17 ft
- Seed for 50 ft
- 212 seeds · 180 plants
- Wholesale / Direct · 50 ft
- $207.00 / $368.00
Companions
onion · beet · lettuce
Avoid
tomato · strawberry