MICRORADICLE

Cultivars / Leafy greens

Bright Lights

Swiss Chard · Beta vulgaris subsp. cicla

Plant in engine

DTM

55 d

160 d occupancy · hardy

Rows

3

10 in in-row

Density

3.6

plants / bed-ft

Yield

2.4

bunches / bed-ft

Direct $/ft

$7.73

$3.50 / bunch

30 in bed · cross sectionscale 1:8 · looking east
COMPOST ½ inLOAM 8 inPATHPATH30 IN GROWINGR1R2R3BRIGHT LIGHTS3 ROW · 10 in IN-ROW3.6 PLT / FT · 2 DRIP · GERM 50°FSTANDARD 30 IN BIOINTENSIVE · AISLES 18 IN TYP.

Propagation

Method
Direct or transplant
Cell size
128s
Nursery lead
28 d
Germination
7 d
Germ temp
50°F – 85°F (opt 70°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
55 d
Holding
21 d
Occupancy
160 d
Multicut
yes · 8 cuts · 12 d
Fall photoperiod
×1.05
Frost hardiness
Hardy

Yield & revenue

Sales unit
bunch
Units / bed-ft
2.4
Avg unit wt
0.7 lb
Target lb / bed-ft
4 lb
Cull rate
8%
Wholesale / Direct
$2.00 / $3.50

Irrigation

Drip lines / bed
2
Emitter spacing
8 in
Emitter GPH
0.42
Weekly water
1.05 in
GPH / 50 ft
63
Gal / week · 50 ft
81.8

Soil extraction

Fertility demand
Moderate
N / 100 bed-ft
1.5 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
Amaranthaceae

On this farm · 50 ft block

Season window
2026-03-04 → 2026-11-10
First greenhouse
2026-02-04
First harvest
2026-04-28
Successions that fit
2 · every 30 d
Bed-ft for 50 lb
14 ft
Seed for 50 ft
212 seeds · 180 plants
Wholesale / Direct · 50 ft
$220.80 / $386.40

Notes

Multi-color petioles for bunching. Cut-and-come-again all summer if watered. Leaf miner: remove eggs on undersides, insect net in June. One spring planting can run to frost.

Companions

onion · lettuce · bean

Avoid

potato