A little more green in the world ✳ 2,083 plants across 13 growing zones
worldthatgrows.
Flower · Easy

How to Grow Florenza

Helianthus annuus

Your complete guide to growing Florenza.

☀SunFull sun (6+ hours)
💧WaterModerate — regular watering
📅Harvest70-80 days
🗺Zones2–11
📏Height1-10 feet
Florenza📷 Wikimedia Commons

When to Plant Florenza

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
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

Catnip

Repels mosquitoes, ants, and rodents more effectively than DEET

Cosmos

Attracts beneficial insects and provides habitat for predatory bugs that control garden pests

Lavender

Repels moths, fleas, and mosquitoes while attracting pollinators like bees and butterflies

Marigolds

Repel nematodes, aphids, and other garden pests while attracting beneficial insects

Nasturtiums

Act as trap crops for aphids and cucumber beetles, repel squash bugs

Sunflowers

Provide natural support structure and attract birds that eat harmful insects

Sweet Alyssum

Attracts beneficial insects like hoverflies and parasitic wasps for natural pest control

Zinnia

Attracts beneficial predatory insects and provides long-lasting blooms for continuous pollinator sup…

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits growth and can kill many flowering plants

Eucalyptus

Allelopathic properties suppress growth of nearby plants and reduce germination rates

Tree of Heaven

Releases growth-inhibiting chemicals and competes aggressively for nutrients and water

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.