Notes
Pick at tennis-ball or it lignifies. Kolibri (purple) outsells green at market.
Cultivars / Brassicas
Winner
Kohlrabi · Brassica oleracea var. gongylodes
DTM
45 d
55 d occupancy · hardy
Rows
3
6 in in-row
Density
6
plants / bed-ft
Yield
4
bunches / bed-ft
Direct $/ft
$12.60
$3.50 / bunch
Propagation
- Method
- Transplant
- Cell size
- 128s
- Nursery lead
- 24 d
- Germination
- 5 d
- Germ temp
- 45°F – 85°F (opt 70°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
- 45 d
- Holding
- 10 d
- Occupancy
- 55 d
- Multicut
- no
- Fall photoperiod
- ×1.15
- Frost hardiness
- Hardy
Yield & revenue
- Sales unit
- bunch
- Units / bed-ft
- 4
- Avg unit wt
- 0.6 lb
- Target lb / bed-ft
- 2.4 lb
- Cull rate
- 10%
- Wholesale / Direct
- $2.00 / $3.50
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
- 1.6 lb
- P / 100 bed-ft
- 0.4 lb
- K / 100 bed-ft
- 1.8 lb
- N-P-K / 50 ft
- 0.8 / 0.2 / 0.9 lb
- Family
- Brassicaceae
On this farm · 50 ft block
- Season window
- 2026-03-04 → 2026-11-10
- First greenhouse
- 2026-02-08
- First harvest
- 2026-04-18
- Successions that fit
- 4 · every 14 d
- Bed-ft for 50 lb
- 24 ft
- Seed for 50 ft
- 353 seeds · 300 plants
- Wholesale / Direct · 50 ft
- $360.00 / $630.00
Companions
beet · allium
Avoid
strawberry