How to Grow Red Kingdom
Brassica rapa
Your complete guide to growing Red Kingdom.
📷 Wikimedia CommonsWhen to Plant Red Kingdom
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | June – September |
| Zone 2 | — | May – July | June – September |
| Zone 3 | — | May – June | May – October |
| Zone 4 | — | April – June | May – October |
| Zone 5 | — | April – May | May – November |
| Zone 6 | — | April – May | April – November |
| Zone 7 | — | March – May | April – November |
| Zone 8 | — | March – April | March – December |
| Zone 9 | — | February – March | February – December |
| Zone 10 | — | January – March | February – December |
| Zone 11 | — | January – February | January – December |
| Zone 12 | — | January – February | January – December |
| Zone 13 | — | January – February | January – December |
Companion Plants for Red Kingdom
✓ Good companions
Compatible root depths, carrots help break up soil for lettuce shallow roots
Repels aphids and improves lettuce flavor while providing natural pest deterrent
Attracts beneficial insects and provides natural pest control for lettuce
Natural fungicide properties help prevent lettuce diseases and repel pests
Repel nematodes, aphids, and other pests while attracting beneficial insects
Act as trap crop for aphids and cucumber beetles, protecting lettuce
Fast-growing radishes break up soil and can be harvested before lettuce needs full space
Similar growing requirements and can be intercropped for efficient space use
✗ Keep away from
Competes heavily for nutrients and can shade out lettuce with large leaves
Can attract carrot fly which may damage lettuce roots and competes for similar nutrients
Allelopathic effects inhibit lettuce growth and massive size creates too much shade
Nutrition Facts
Per 100g serving (USDA FoodData Central)
