How to Grow Dahlia Bishop of Llandaff
Dahlia 'Bishop of Llandaff'
Your complete guide to growing Dahlia Bishop of Llandaff.
📷 Wikimedia CommonsWhen to Plant Dahlia Bishop of Llandaff
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 Dahlia Bishop of Llandaff
✓ Good companions
Repel aphids and thrips while improving soil with their root system
Attract beneficial insects and provide vertical structure without competing for resources
Attract beneficial insects like lacewings and parasitic wasps that control dahlia pests
Repel aphids, whiteflies, and nematodes that commonly attack dahlias
Act as trap crops for aphids and cucumber beetles, drawing pests away from dahlias
Repel aphids and attract beneficial pollinators with contrasting flower shapes
Ground cover that attracts hover flies which prey on aphids affecting dahlias
Similar growing conditions and attract pollinators while providing complementary colors
✗ Keep away from
Produces juglone which is toxic to dahlias and causes wilting and death
Releases allelopathic compounds that inhibit dahlia growth and development
Compete heavily for nutrients and water, and can overshadow dahlias reducing bloom production
