Notes
Giant Imperial. Fall-sow or pre-chill seed. Two net layers. Cut when ⅓ florets open.
Cultivars / Cut flowers
Giant Imperial Mix
Larkspur · Consolida ajacis
DTM
90 d
100 d occupancy · hardy
Rows
3
6 in in-row
Density
6
plants / bed-ft
Yield
6
stems / bed-ft
Direct $/ft
$7.13
$1.35 / stem
Cut flower protocol
Spike · 28 in stem
- Support netting
- 2-layer Hortonova · 6 in mesh · 12 in / 24 in
- Pinch
- Do not pinch
- Harvest stage
- ½ open · once
- Stem yield
- 1 / plant · 6 / bed-ft
- Pulse
- Citric-acid hydration · vase 7 d
- DTM on this sheet
- 90 d field-to-cut
Propagation
- Method
- Direct seed
- Cell size
- —
- Nursery lead
- direct only
- Germination
- 14 d
- Germ temp
- 50°F – 68°F (opt 58°F)
- Seed spacing
- 1½ in
Field geometry · 30 in
- Bed width
- 30 in
- Rows / bed
- 3
- In-row
- 6 in
- Seed spacing
- 1½ in
- Plants / linear ft
- 6
- Plants / 50 ft
- 300
Timeline
- DTM from field
- 90 d
- Holding
- 10 d
- Occupancy
- 100 d
- Multicut
- no
- Fall photoperiod
- ×1
- Frost hardiness
- Hardy
Yield & revenue
- Sales unit
- stem
- Units / bed-ft
- 6
- Avg unit wt
- 0.1 lb
- Target lb / bed-ft
- 0.3 lb
- Cull rate
- 12%
- Wholesale / Direct
- $0.70 / $1.35
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
- Ranunculaceae
On this farm · 50 ft block
- Season window
- 2026-03-04 → 2026-11-10
- First greenhouse
- —
- First harvest
- 2026-06-02
- Successions that fit
- 2 · every 14 d
- Bed-ft for 50 lb
- 190 ft
- Seed for 50 ft
- 353 seeds · 300 plants
- Wholesale / Direct · 50 ft
- $184.80 / $356.40
Companions
basil · dill · alyssum
Avoid
fennel