How to Grow Johnny's Potomac Summer Berry Blend
Antirrhinum majus
Your complete guide to growing Johnny's Potomac Summer Berry Blend.
📷 Wikimedia CommonsWhen to Plant Johnny's Potomac Summer Berry Blend
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 Johnny's Potomac Summer Berry Blend
✓ Good companions
Attracts bees and beneficial insects while repelling hornworms and cabbage worms
Attracts beneficial insects and provides structure without competing for nutrients
Repels moths, fleas, and mosquitoes while attracting bees and butterflies
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, attract pollinators
Provide beneficial shade and attract pollinators and pest-eating birds
Attracts beneficial insects like lacewings and parasitic wasps for pest control
Attracts ladybugs, parasitic wasps, and butterflies for natural pest control
✗ Keep away from
Release juglone toxin that inhibits growth and can kill many flowering plants
Create too much shade and compete for water, reducing flowering and plant vigor
Produces allelopathic compounds that suppress growth of nearby plants
