How to Grow Starflower
Scabiosa stellata
Your complete guide to growing Starflower.
When to Plant Starflower
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 Starflower
✓ Good companions
Attracts pollinators and beneficial insects while repelling harmful pests
Repels aphids and other soft-bodied insects while attracting beneficial predators
Attracts beneficial insects and provides habitat for predatory insects
Attracts beneficial pollinators and repels pests with strong fragrance
Natural pest deterrent, repels aphids and nematodes
Acts as trap crop for aphids and cucumber beetles
Strong aromatic oils repel various garden pests
Attracts beneficial insects like lacewings and parasitic wasps
✗ Keep away from
Produces juglone toxin that inhibits growth of many plants
Allelopathic compounds suppress growth of nearby plants
Allelopathic effects can inhibit germination and growth of smaller flowers