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Mandevilla

Mandevilla sanderi

Also known as: Brazilian Jasmine, Rock Trumpet, Dipladenia

Apocynaceae

⚠️

If your pet has eaten this plant, call ASPCA Poison Control: (888) 426-4435 — available 24/7.

Last reviewed: June 2026 · Source: ASPCA Animal Poison Control

Mandevilla

A vigorous tropical vining plant producing spectacular large, funnel-shaped flowers in pink, red, or white. Makes a showstopping climber for sunny indoor spaces.

Toxicity

Toxic to catsToxic
Toxic to dogsToxic
Toxic to humansSafe

Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.

Care Guide

Care levelModerate
WateringMedium
Watering frequencyEvery 5–7 days
SunlightDirect sun

Pot Size

Recommended pot6″ – 12″

Frequently Asked Questions

Is Mandevilla toxic to cats?

Yes, Mandevilla (Mandevilla sanderi) is toxic to cats. If your cat ingests any part of this plant, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately.

Is Mandevilla toxic to dogs?

Yes, Mandevilla is toxic to dogs. Symptoms may include vomiting, drooling, or lethargy. Contact your vet immediately if your dog chews or eats this plant.

How often should I water Mandevilla?

Water Mandevilla every 5–7 days. Water when the top inch of soil feels dry to the touch.

How much light does Mandevilla need?

Mandevilla thrives in direct sunlight, ideally a south- or west-facing window. Providing the right light level is important for healthy growth.

What size pot does Mandevilla need?

Use a pot between 6″ and 12″ in diameter. When repotting, choose a pot only 1–2″ larger than the current one — too much space retains excess moisture and can lead to root rot.

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