How to Grow Summit
Raphanus sativus var. longipinnatus
Your complete guide to growing Summit.
When to Plant Summit
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 Summit
✓ Good companions
Helps break up compacted soil with taproots, complementary root depths
Repels aphids and other pests while improving soil structure
Natural fungicide properties help prevent root rot and soil-borne diseases
Shallow roots don't compete, provides ground cover to retain soil moisture
Reduces nematode populations in soil and deters harmful insects
Repels root maggots and other soil pests that attack root vegetables
Attracts beneficial insects and doesn't compete for root space
Quick-growing companion that breaks up soil and deters root flies
✗ Keep away from
Produces juglone toxin that inhibits root development and overall plant growth
Heavy feeders that compete for nutrients and may attract similar soil pests
Allelopathic compounds suppress growth of most root vegetables
Nutrition Facts
Per 100g serving (USDA FoodData Central)