How to Grow Kelvin
Apium graveolens
Your complete guide to growing Kelvin.
📷 Wikipedia: HerbWhen to Plant Kelvin
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 3 | April – May | — | July – October |
| Zone 4 | March – April | — | July – October |
| Zone 5 | March – April | — | June – October |
| Zone 6 | March – April | — | June – November |
| Zone 7 | February – March | — | June – November |
| Zone 8 | February – March | — | May – December |
| Zone 9 | January – February | — | April – December |
| Zone 10 | January | — | April – December |
Companion Plants for Kelvin
✓ Good companions
Repels cabbage worms, cabbage loopers, and flea beetles
Improves carrot flavor and helps deter carrot fly
Provides natural pest control and doesn't compete for nutrients
Attract beneficial insects and provide comprehensive pest control
Mutual pest deterrence, onions repel aphids while basil deters onion flies
Compatible growth habits and combined aromatic pest deterrence
Enhances pepper growth and deters pepper maggots and aphids
Kelvin improves tomato flavor and repels tomato hornworms and aphids
✗ Keep away from
Produces juglone which inhibits basil growth and causes wilting
Allelopathic properties inhibit basil germination and growth
Competes aggressively for nutrients and may stunt basil growth
Nutrition Facts
Per 100g serving (USDA FoodData Central)
