Notes
Flea beetle net from sow. Mei Qing Choi and Joy Choi size for bunches; mizuna for salad mix.
Cultivars / Leafy greens
Koji Tatsoi
Tatsoi · Brassica rapa var. narinosa
DTM
30 d
57 d occupancy · hardy
Rows
4
4 in in-row
Density
12
plants / bed-ft
Yield
0.8
lb / bed-ft
Direct $/ft
$7.20
$10.00 / lb
Propagation
- Method
- Direct seed
- Cell size
- —
- Nursery lead
- direct only
- Germination
- 4 d
- Germ temp
- 45°F – 85°F (opt 70°F)
- Seed spacing
- 1 in
Field geometry · 30 in
- Bed width
- 30 in
- Rows / bed
- 4
- In-row
- 4 in
- Seed spacing
- 1 in
- Plants / linear ft
- 12
- Plants / 50 ft
- 600
Timeline
- DTM from field
- 30 d
- Holding
- 7 d
- Occupancy
- 57 d
- Multicut
- yes · 3 cuts · 10 d
- Fall photoperiod
- ×1.25
- Frost hardiness
- Hardy
Yield & revenue
- Sales unit
- lb
- Units / bed-ft
- 0.8
- Avg unit wt
- 1 lb
- Target lb / bed-ft
- 0.8 lb
- Cull rate
- 10%
- Wholesale / Direct
- $6.00 / $10.00
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
- Moderate
- N / 100 bed-ft
- 1.2 lb
- P / 100 bed-ft
- 0.3 lb
- K / 100 bed-ft
- 1.4 lb
- N-P-K / 50 ft
- 0.6 / 0.2 / 0.7 lb
- Family
- Brassicaceae
On this farm · 50 ft block
- Season window
- 2026-03-04 → 2026-11-10
- First greenhouse
- —
- First harvest
- 2026-04-03
- Successions that fit
- 8 · every 10 d
- Bed-ft for 50 lb
- 70 ft
- Seed for 50 ft
- 706 seeds · 600 plants
- Wholesale / Direct · 50 ft
- $216.00 / $360.00
Companions
lettuce · allium
Avoid
strawberry