MICRORADICLE

Cultivars / Alliums

King Richard

Leek · Allium ampeloprasum

Plant in engine

DTM

75 d

105 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

30 in bed · cross sectionscale 1:8 · looking east
COMPOST ½ inLOAM 8 inPATHPATH30 IN GROWINGR1R2R3KING RICHARD3 ROW · 6 in IN-ROW6 PLT / FT · 2 DRIP · GERM 50°FSTANDARD 30 IN BIOINTENSIVE · AISLES 18 IN TYP.

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
75 d
Holding
30 d
Occupancy
105 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
2026-05-04
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

Notes

Early, long shank. Summer leek. Not for overwinter.

Companions

carrot · celery

Avoid

bean