How to Grow King Richard
Allium porrum
Your complete guide to growing King Richard.
When to Plant King Richard
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | June – July | August – September |
| Zone 2 | — | May – July | August – September |
| Zone 3 | — | May – June | July – October |
| Zone 4 | — | April – June | July – October |
| Zone 5 | — | April – May | June – November |
| Zone 6 | — | April – May | June – November |
| Zone 7 | — | March – May | June – November |
| Zone 8 | — | March – April | May – December |
| Zone 9 | — | February – March | April – 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 King Richard
✓ Good companions
Leeks repel cabbage worms and flea beetles that commonly attack brassicas
Leeks deter carrot fly while carrots help break up soil for leek roots
Both have similar water needs and leeks help repel celery leaf miner
Shallow-rooted lettuce doesn't compete with leeks and benefits from their pest-repelling properties
Both plants repel nematodes and work together to deter various garden pests
Leeks repel aphids and may reduce black spot disease in roses
Leeks deter slugs and aphids that damage strawberry plants
Leeks repel aphids and improve tomato flavor while tomatoes don't compete for nutrients
✗ Keep away from
Both are heavy feeders that compete for similar nutrients, reducing yields for both
Legumes can inhibit allium growth and development through root competition
Peas and other legumes may stunt leek growth through allelopathic effects
Nutrition Facts
Per 100g serving (USDA FoodData Central)
