How to Grow QIS™ Dark Blue
Consolida ajacis
Your complete guide to growing QIS™ Dark Blue.
When to Plant QIS™ Dark Blue
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 QIS™ Dark Blue
✓ Good companions
Attracts beneficial insects and provides ground cover while complementing blue flowers
Compatible growing conditions and creates beautiful color combinations in shade gardens
Provides complementary foliage texture and thrives in similar partial shade conditions
Thrives in similar light conditions and provides striking foliage contrast to blue flowers
Similar shade tolerance and water requirements, creates attractive color contrast
Creates beautiful blue-toned combinations and has similar growing requirements
Repel aphids, whiteflies, and other pests that commonly attack ageratum
Similar compact growth habit and shade tolerance, extends bloom season
✗ Keep away from
Produces juglone toxin which inhibits growth and can kill ageratum plants
Releases allelopathic compounds that suppress growth of nearby flowering plants
Can shade out low-growing ageratum and compete aggressively for nutrients