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Native Wildflower · Easy

How to Grow Sundrops

Oenothera fruticosa

Your complete guide to growing Sundrops.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterHigh — consistent moisture needed
🗺Zones4–8
📏Height16-18 inches
Sundrops📷 Wikimedia Commons

When to Plant Sundrops

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

ZoneStart IndoorsDirect SowHarvest
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —

Companion Plants for Sundrops

✓ Good companions

Black-eyed Susan

Complementary blooming periods and attracts beneficial insects while deterring pests

Butterfly Weed

Attracts beneficial pollinators and has complementary root depth reducing competition

Little Bluestem Grass

Provides structural support and creates beneficial microclimate without competing for nutrients

Purple Coneflower

Attracts beneficial pollinators and has similar sun and soil requirements

Wild Bergamot

Natural pest deterrent that repels ants and rodents while attracting pollinators

Wild Ginger

Provides ground cover and pest deterrent properties without competing for light

Wild Lupine

Fixes nitrogen in soil, improving nutrient availability for sundrops

Yarrow

Improves soil health and attracts beneficial predatory insects that control pests

✗ Keep away from

Crown Vetch

Aggressive spreader that outcompetes native plants for space and nutrients

Purple Loosestrife

Invasive species that crowds out native wildflowers and alters soil conditions

Tree of Heaven

Produces allelopathic chemicals that inhibit growth of native wildflowers

Notes from the garden

A greener inbox, occasionally.

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