How to Grow Autumn Beauty
Helianthus annuus
Your complete guide to growing Autumn Beauty.
When to Plant Autumn Beauty
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 Autumn Beauty
✓ Good companions
Fix nitrogen in soil which benefits sunflowers, can use sunflower stalks for support
Attracts pollinators and beneficial insects, may improve soil nutrients
Attract beneficial insects and pollinators, complement tall sunflower structure
Attract pollinators and beneficial predatory insects, similar growing requirements
Repels pests like moths and beetles while attracting beneficial pollinators
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, repel squash bugs
Share similar care needs and attract butterflies and beneficial insects
✗ Keep away from
Produce juglone toxin that inhibits sunflower growth and development
Releases allelopathic compounds that can stunt sunflower growth
Compete for similar nutrients and may increase risk of shared pest problems