MICRORADICLE

Cultivars / Cut flowers

Indian Summer

Rudbeckia · Rudbeckia hirta

Plant in engine

DTM

95 d

137 d occupancy · moderate

Rows

3

12 in in-row

Density

3

plants / bed-ft

Yield

6

stems / bed-ft

Direct $/ft

$5.81

$1.10 / stem

30 in bed · cross sectionscale 1:8 · looking east
COMPOST ½ inLOAM 8 inPATHPATH30 IN GROWINGR1R2R3INDIAN SUMMER3 ROW · 12 in IN-ROW3 PLT / FT · 2 DRIP · GERM 65°FSTANDARD 30 IN BIOINTENSIVE · AISLES 18 IN TYP.

Cut flower protocol

Focal · 22 in stem

Support netting
1-layer Hortonova · 8 in mesh · 16 in
Pinch
8 in · leave 3 nodes · +10 d DTM
Harvest stage
Cracked bud · every 3 d
Stem yield
8 / plant · 6 / bed-ft
Pulse
Plain cold water · vase 8 d
DTM on this sheet
95 d field-to-cut (includes pinch)

Propagation

Method
Transplant
Cell size
72s
Nursery lead
35 d
Germination
8 d
Germ temp
65°F – 85°F (opt 75°F)
Seed spacing
2 in

Field geometry · 30 in

Bed width
30 in
Rows / bed
3
In-row
12 in
Seed spacing
2 in
Plants / linear ft
3
Plants / 50 ft
150

Timeline

DTM from field
95 d
Holding
21 d
Occupancy
137 d
Multicut
yes · 8 cuts · 3 d
Fall photoperiod
×1
Frost hardiness
Moderate

Yield & revenue

Sales unit
stem
Units / bed-ft
6
Avg unit wt
0.1 lb
Target lb / bed-ft
0.4 lb
Cull rate
12%
Wholesale / Direct
$0.55 / $1.10

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
1.4 lb
P / 100 bed-ft
0.35 lb
K / 100 bed-ft
2 lb
N-P-K / 50 ft
0.7 / 0.2 / 1 lb
Family
Asteraceae

On this farm · 50 ft block

Season window
2026-03-25 → 2026-10-08
First greenhouse
2026-02-18
First harvest
2026-06-28
Successions that fit
1 · every — d
Bed-ft for 50 lb
158 ft
Seed for 50 ft
177 seeds · 150 plants
Wholesale / Direct · 50 ft
$145.20 / $290.40

Notes

Indian Summer. Cut as petals unfurl, disk still tight. Heat-capable focal.

Companions

basil · dill · alyssum

Avoid

fennel