How to Grow Alpine
Raphanus sativus var. longipinnatus
Your complete guide to growing Alpine.
When to Plant Alpine
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | July – September |
| Zone 2 | — | May – July | July – September |
| Zone 3 | — | May – June | June – October |
| Zone 4 | — | April – June | June – October |
| Zone 5 | — | April – May | June – November |
| Zone 6 | — | April – May | May – November |
| Zone 7 | — | March – May | May – November |
| Zone 8 | — | March – April | April – December |
| Zone 9 | — | February – March | March – December |
| Zone 10 | — | January – March | March – December |
| Zone 11 | — | January – February | February – December |
| Zone 12 | — | January – February | February – December |
| Zone 13 | — | January – February | February – December |
Companion Plants for Alpine
✓ Good companions
Break up compacted soil with their taproots, helping Alpine radishes develop better root systems
Repel aphids and root maggots that commonly attack radishes
Attracts beneficial insects and may improve radish flavor when planted nearby
Shallow roots don't compete with radishes, and radishes can break up soil for lettuce
Deter nematodes and other soil pests that can damage radish roots
Trap crop for flea beetles and aphids that damage radish leaves
Fix nitrogen in soil and mature before radishes need full space
Cool-season companion with similar growing requirements and non-competing root systems
✗ Keep away from
Same family plants compete for nutrients and attract shared pests like clubroot and flea beetles
Strong allelopathic compounds inhibit germination and growth of radishes
Allelopathic effects can stunt radish growth and development
Nutrition Facts
Per 100g serving (USDA FoodData Central)