How to Grow Helenor
Brassica napus
Your complete guide to growing Helenor.
📷 Wikipedia: RapeseedWhen to Plant Helenor
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | September |
| Zone 2 | — | May – July | August – September |
| Zone 3 | — | May – June | August – October |
| Zone 4 | — | April – June | July – October |
| Zone 5 | — | April – May | July – November |
| Zone 6 | — | April – May | July – November |
| Zone 7 | — | March – May | June – November |
| Zone 8 | — | March – April | June – December |
| Zone 9 | — | February – March | May – December |
| Zone 10 | — | January – March | April – December |
| Zone 11 | — | January – February | March – December |
| Zone 12 | — | January – February | March – December |
| Zone 13 | — | January – February | March – December |
Companion Plants for Helenor
✓ Good companions
Different root depths prevent competition, carrots help break up soil for radish growth
Repel root maggots and other pests that attack radishes
Radishes can deter cucumber beetles while cucumbers provide shade for cool-season radishes
Shallow roots don't compete, provides ground cover and efficient space utilization
Shallow roots don't compete with beet taproots, provides living mulch
Repel nematodes and other soil pests, deter flea beetles
Act as trap crop for flea beetles and aphids that commonly attack radishes
Fix nitrogen in soil benefiting radish growth, different growth habits complement each other
Fast-growing leafy green that can be harvested before radishes need full space
✗ Keep away from
Same family plants compete for nutrients and attract similar pests like flea beetles and clubroot
Inhibits growth of radishes and other root vegetables through allelopathic compounds
Nutrition Facts
Per 100g serving (USDA FoodData Central)
