Plant PulseCauliflower
Brassica oleracea var. botrytis
Cauliflower. Sourced figures stay next to their citation. Planting windows are listed for locations that have one. Unsourced fields say coming soon.
Unverified — based on HORDI Crop – Cauliflower, Department of Agriculture Sri Lanka, accessed 2026-10-23: https://doa.gov.lk/hordi-crop-cauliflower/; confirm for your microclimate.
Spacing
- In-row spacing
- 40 cm
- Between-row spacing
- 40–50 cm. Seed calculator uses 50 cm, the wider end.
Within rows 40 cm. Between rows 40–50 cm. The seed calculator uses 50 cm, the wider end of the between-row range. Nursery seedlings are 3–4 weeks old (21–28 days).
Other sourced figures
- Days to first harvest
- 60–75 days
- Nursery days
- 21–28 days
- Soil pH
- 6–6.8
From farmer field experience
Based on hands-on growing experience from Sri Lankan farmers. Not yet verified against official sources.
- Harvest window: 10–15 days
- How long the curds stay at a useful size.
- Farmer field notenoted Oct 2026
Planting windows
Colombo — Low Country Wet Zone
Official planting windows: coming soon.
From farmer field experience
Based on hands-on growing experience from Sri Lankan farmers. Not yet verified against official sources.
November–December
Transplant
Using 60–75 stored days. Plant in Nov, first harvest about 60–75 days later (around January). Plant in Dec, first harvest around February. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
Farmer field notenoted Oct 2026
Low Country Wet Zone, November–December, tropical varieties.
Unverified — based on Farmer field experience, noted 2026-10-23; confirm for your microclimate.
Mid Country
January–February
Transplant
Using 60–75 stored days. Plant in Jan, first harvest about 60–75 days later (around March). Plant in Feb, first harvest around April–May. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
HORDI seedling establishment for the mid country wet zone: January and February. This location is the mid-country sample (Kandy). The page's phrase is mid country wet zone, not every mid-country acre.
Unverified — based on HORDI Crop – Cauliflower, Department of Agriculture Sri Lanka, accessed 2026-10-23: https://doa.gov.lk/hordi-crop-cauliflower/; confirm for your microclimate.
November–December
Transplant
Using 60–75 stored days. Plant in Nov, first harvest about 60–75 days later (around January). Plant in Dec, first harvest around February. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
HORDI seedling establishment for the mid country wet zone: November and December.
Unverified — based on HORDI Crop – Cauliflower, Department of Agriculture Sri Lanka, accessed 2026-10-23: https://doa.gov.lk/hordi-crop-cauliflower/; confirm for your microclimate.
Up Country Wet Zone
January–March
Transplant
Using 60–75 stored days. Plant in Jan, first harvest about 60–75 days later (around March). Plant in Mar, first harvest around May. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
HORDI seedling establishment for the up country wet zone: January to March. The same page also lists the up country intermediate zone as January, February, November, and December. That intermediate zone is not a separate location here.
Unverified — based on HORDI Crop – Cauliflower, Department of Agriculture Sri Lanka, accessed 2026-10-23: https://doa.gov.lk/hordi-crop-cauliflower/; confirm for your microclimate.
October–December
Transplant
Using 60–75 stored days. Plant in Oct, first harvest about 60–75 days later (around December). Plant in Dec, first harvest around February. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
HORDI seedling establishment for the up country wet zone: October to December.
Unverified — based on HORDI Crop – Cauliflower, Department of Agriculture Sri Lanka, accessed 2026-10-23: https://doa.gov.lk/hordi-crop-cauliflower/; confirm for your microclimate.
Low Country Dry Zone
Official planting windows: coming soon.
From farmer field experience
Based on hands-on growing experience from Sri Lankan farmers. Not yet verified against official sources.
November–January
Transplant
Using 60–75 stored days. Plant in Nov, first harvest about 60–75 days later (around January). Plant in Jan, first harvest around March. Calculated from the stored day count and the planting month. It is not a separate harvest calendar.
Farmer field notenoted Oct 2026
Low Country Dry Zone, November–January.
Unverified — based on Farmer field experience, noted 2026-10-23; confirm for your microclimate.