How to Grow QIS™ Lilac
Consolida ajacis
Your complete guide to growing QIS™ Lilac.
When to Plant QIS™ Lilac
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™ Lilac
✓ Good companions
Natural pest deterrent that repels aphids and other soft-bodied insects
Deters aphids and ants while attracting beneficial insects
Can climb through lilac branches providing extended bloom season
Provide complementary foliage texture and thrive in similar partial shade conditions
Attracts beneficial pollinators and repels pests with similar growing requirements
Repel nematodes and aphids while attracting beneficial predatory insects
Compatible growing conditions and complementary bloom times
Share similar soil preferences and lilacs may help deter some rose pests
✗ Keep away from
Produce juglone which is toxic to lilacs and inhibits their growth
Releases allelopathic compounds that inhibit growth of nearby plants
Create too much shade and compete aggressively for water and nutrients