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Shrub · Easy

How to Grow Rose of Sharon

Hibiscus syriacus

Your complete guide to growing Rose of Sharon.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterModerate, drought tolerant once established
🗺Zones5–9
📏Height8-12 feet
Rose of Sharon📷 Wikimedia Commons

When to Plant Rose of Sharon

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

ZoneStart IndoorsDirect SowHarvest
Zone 5 — — —
Zone 6 — — —
Zone 7 — — —
Zone 8 — — —
Zone 9 — — —

Companion Plants for Rose of Sharon

✓ Good companions

Astilbe

Tolerates partial shade from shrub and adds colorful plumes in summer

Bee Balm

Attracts pollinators and beneficial insects that help with pest control

Catmint

Repels ants and aphids while attracting beneficial pollinators

Clematis

Climbing vine that uses Rose of Sharon as support while adding vertical interest

Hostas

Thrives in partial shade created by the shrub and provides contrasting foliage

Lavender

Attracts beneficial insects and pollinators while repelling pests like aphids

Marigold

Deters aphids, whiteflies, and other common shrub pests with natural compounds

Sedum

Drought-tolerant groundcover that complements the shrub's water needs

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits growth and can damage Rose of Sharon roots

Eucalyptus

Releases allelopathic compounds that suppress nearby plant growth

Sunflower

Competes aggressively for nutrients and water, can stunt shrub growth

Notes from the garden

A greener inbox, occasionally.

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