How to Grow Russell's Formula Mix
Lupinus polyphyllus
Your complete guide to growing Russell's Formula Mix.
📷 Wikimedia CommonsWhen to Plant Russell's Formula Mix
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 Russell's Formula Mix
✓ Good companions
Repel aphids and other soft-bodied insects with their strong scent
Attract beneficial pollinators and predatory insects without competing for resources
Attracts beneficial wasps and ladybugs that prey on garden pests
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, drawing pests away
Attracts beneficial insects and provides ground cover without competing heavily
Attracts beneficial predatory insects like lacewings and hoverflies
Attract butterflies and beneficial insects while providing complementary colors
✗ Keep away from
Release juglone toxin that inhibits growth and can kill sensitive flowering plants
Releases allelopathic compounds that suppress growth of nearby plants
Compete heavily for nutrients and water, and release growth-inhibiting compounds
