How to Grow Blue Glitter
Eryngium planum
Your complete guide to growing Blue Glitter.
📷 Wikimedia CommonsWhen to Plant Blue Glitter
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 Blue Glitter
✓ Good companions
Attracts beneficial insects like lacewings and provides ground cover
Repel aphids, whiteflies, and attract beneficial predatory insects
Attract beneficial insects and provide structural support
Repels moths, fleas, and mosquitoes with its strong fragrance
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles
Deter aphids, tomato hornworms, and other garden pests
Attract beneficial pollinators and predatory insects
✗ Keep away from
Produces juglone which is toxic to many flowering plants
Releases allelopathic compounds that inhibit growth of nearby plants
Inhibits growth of most garden plants through allelopathy
