Broccoli
veg
Broccoli (standard)
Harvest main head before flowers open.
Ordering identifiers
- SKU
- PLT-10012
- Barcode
- 08100010013
- Supplier / brand
- PlantIt Seed Co. · PlantIt Basics
- Packet size
- ~50 seeds
- Seeds per pack
- 50
- Germination %
- 100%
- Growth habit
- BUSH
- Sow method
- TRANSPLANT
- Plant spacing
- 18 inches
- Row spacing
- 23 inches
- Height / spread
- 18 / 18 in
- Light preference
- full sun
- Hardiness zones
- 3-9
- Temp preference
- warm season
- Germination temp
- 65–75°F
- Days to germinate
- 7 days
- Soil
- Well-drained, fertile soil; amend with compost.
- Days to transplant
- 42
- Days to harvest
- 60 (±12d window)
- Seed vs last frost
- -6 weeks
Garden size
Suited to: garden plot / in-ground · raised bed · container
Other info
- Direct sow: —
- Start indoors: Start indoors about 6 weeks before last frost.
- Transplant: Transplant at 42 days from sowing, after frost risk.
- Thin: —
Companions & antagonists
Water by environment
- Grow tent: Even moisture for tight heads.
- Greenhouse: Deep water; cool nights preferred.
- Outdoors: 1.5 in/week; critical while heading.
Sample schedule (zone 7a, outdoors)
- Start indoors — Start indoors / under cover (indoors), 6 wk before last spring frost (Apr 4, 2027). Start indoors about 6 weeks before last frost.Feb 21
- Germinate — Expect germination (~7 days after sow)Feb 28
- Transplant — Transplant indoors → outdoors. After last spring frost (Apr 4, 2027). Transplant at 42 days from sowing, after frost risk.Apr 4
- Harvest — Harvest window opens (~60 days after transplant; ~12 day window) (first fall frost ~Oct 23, 2027)Jun 3