How to care for Chinese Hibiscus
Hibiscus rosa-sinensis · Malvaceae
A tropical shrub with glossy leaves and huge, silky trumpet flowers that each last only a day or two but keep coming all season. Indoors it wants as much sun as you can offer, warmth, and steady water — treat it like the sun-worshipper it is. Water roughly every 4 days while it's growing (about every 8 in winter), give it direct sun, kept above 50°F (10°C) — average room humidity suits it.
Care at a glance
Water thoroughly when the top couple of centimeters dry; big leaves and big flowers make it thirsty in summer.
A south-facing window or several hours of direct sun daily is the price of continuous bloom.
Feed every two weeks in the growing season with a fertilizer higher in potassium than phosphorus.
Mistakes that kill this plant
- Too little light — it slowly defoliates and never blooms in a dim room.
- Letting spider mites build unchecked through winter.
- Cold, wet feet in winter rotting the roots.
Seasonal tips
- Move it outdoors after the last frost and acclimate it gradually to full sun for the best summer show.
- Some bud drop when you move or repot it is normal — hold conditions steady and it recovers.
- Prune in early spring; flowers form on new growth.
Is it safe for pets?
We couldn’t place Chinese Hibiscus on a toxic or a non-toxic list, so its toxicity is unconfirmed — which is not the same as safe.
Full pet-safety details for cats & dogsCare for your Chinese Hibiscus on autopilot
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Toxicity here is informational, not a safety guarantee. Those are our own records, compiled by following the ASPCA's published toxic and non-toxic plant lists and Pet Poison Helpline's plant poison list rather than copied from them — confirm anything that matters against those lists or with your vet. If your pet ingested this plant, contact your vet or the ASPCA Animal Poison Control Center at (888) 426-4435.