How to Grow Florenza
Helianthus annuus
Your complete guide to growing Florenza.
When to Plant Florenza
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 Florenza
✓ Good companions
Repels mosquitoes, ants, and rodents more effectively than DEET
Attracts beneficial insects and provides habitat for predatory bugs that control garden pests
Repels moths, fleas, and mosquitoes while attracting pollinators like bees and butterflies
Repel nematodes, aphids, and other garden pests while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, repel squash bugs
Provide natural support structure and attract birds that eat harmful insects
Attracts beneficial insects like hoverflies and parasitic wasps for natural pest control
Attracts beneficial predatory insects and provides long-lasting blooms for continuous pollinator sup…
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill many flowering plants
Allelopathic properties suppress growth of nearby plants and reduce germination rates
Releases growth-inhibiting chemicals and competes aggressively for nutrients and water