Plant Library

Gardenia Care Guide

Gardenia jasminoides

By the Plantshop.com Editorial Team · Updated 6 Nov 2026 · How we research · Report an error

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Gardenias are grown for intensely fragrant white flowers. They are demanding indoors, needing bright light, humidity, acidic soil and steady temperatures.

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Light

Bright light with some direct sun. Rotate the pot every few weeks so growth stays even.

Water

Keep evenly moist with room-temperature water. Always use a pot with drainage holes and empty the saucer after watering. Plants use far less water in winter.

Humidity and temperature

Humidity: high. Most houseplants prefer 60-80°F (16-27°C) and dislike cold drafts and heating vents.

Soil and feeding

Use a rich, acidic, well-drained mix. Do not fertilize in autumn: it pushes frost-tender new growth.

Our tip

Bud drop is usually caused by a change: a move, a cold draft, or drying out. Keep conditions steady once buds form.

Common problems

• Buds dropping: Moving, drafts, dry air or drying out.
• Yellow leaves with green veins: Iron deficiency; use an acid fertilizer.
• Pests: Mealybugs and spider mites.

Pets

Toxic to cats and dogs (ASPCA), according to the ASPCA plant list. If a pet chews it and shows symptoms, call your vet or the ASPCA Animal Poison Control Center. Check any plant in our Pet-Safe Plant Checker.