How to Grow Candle Light Blue Shades
Delphinium elatum
Your complete guide to growing Candle Light Blue Shades.
📷 Wikipedia: FlowerWhen to Plant Candle Light Blue Shades
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 Candle Light Blue Shades
✓ Good companions
Repels mosquitoes, ants, and rodents more effectively than DEET
Attract beneficial insects and pollinators while requiring minimal water
Repels moths, fleas, and mosquitoes while attracting pollinators
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, protecting nearby plants
Repel aphids, tomato hornworms, and squash bugs naturally
Attracts beneficial insects and provides ground cover to retain soil moisture
Attract butterflies and beneficial predatory insects that control garden pests
✗ Keep away from
Releases juglone toxin that stunts growth and kills many flowering plants
Produces allelopathic compounds that inhibit seed germination and plant growth
Release allelopathic chemicals that can stunt growth of nearby smaller plants
