How to Grow Nasturtium Alaska Mix
Tropaeolum majus 'Alaska Mix'
Your complete guide to growing Nasturtium Alaska Mix.
When to Plant Nasturtium Alaska Mix
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Nasturtium Alaska Mix
✓ Good companions
Repels aphids and Mexican bean beetles while attracting beneficial predatory insects
Repels aphids, flea beetles, and cabbage worms that commonly attack brassicas
Acts as trap crop for aphids and repels cabbage worms and flea beetles
Repels cucumber beetles, squash bugs, and striped pumpkin beetles
Both repel similar pests and attract beneficial pollinators and predatory insects
Nasturtiums improve radish flavor and repel flea beetles
Deters squash bugs, cucumber beetles, and aphids from squash plants
Nasturtiums trap aphids and cucumber beetles, protecting tomato plants
✗ Keep away from
Produces juglone which is toxic to nasturtiums and causes wilting
May compete for nutrients and space, reducing flowering of nasturtiums
Allelopathic compounds inhibit nasturtium germination and growth