Romanesco
vegetable
Stunning fractal lime-green heads — flavor between broccoli and cauliflower. Long-season crop; start for fall harvest. Harvest before spirals open.
At a glance
- USDA Zones
- 3–9
- Sun
- Full sun (6+ hrs)
- Water
- Medium — water when top inch of soil is dry
- Soil
- Loam
- pH
- Neutral, alkaline
- Spacing
- 18 in. between plants
- Space needed
- A 2×2 ft block of the bed
- Days to maturity
- About 85 days
Planting & harvest windows
Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant | ||||||||||||
| Harvest |
Plant Harvest
Good companions
Keep apart from
Recommended varieties
- Romanesco Italia85 daysboth
Classic stunning fractal head — beautiful and delicious.
- Veronica78 daysboth
Earlier-maturing romanesco with excellent heat tolerance.
Add Romanesco to your raised bed — the planner handles spacing and companion warnings automatically.
Open the planner →