Brittle Gum
Angophora costata
Family: Myrtaceae
Brittle Gum (Angophora costata) is a upright plant from the Myrtaceae family.
Complete Care Guide
Light Requirements
Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.
Watering
Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated.
Typical schedule: every 8 days (adjust for season and environment).
Humidity
Average household humidity (40-50%) is usually fine. Misting occasionally or grouping with other plants can help during dry winter months.
Temperature
Keep between 60–80°F (16–27°C). Avoid cold drafts, heating vents, and sudden temperature changes.
Size & Growth
Mature size: approximately 45 inches tall × 36 inches wide. Growth rate is moderate. Habit: upright.
Difficulty Level: 2/5
Easy to moderate care. Forgiving of minor mistakes but benefits from consistent attention. Good for beginners ready for a small step up.
Quick Tips
- ✓Water every 7 days
- ✓Prefers medium light
Common Problems & Solutions
Brown leaf tips
Cause: Low humidity, inconsistent watering, or mineral buildup from tap water
Fix: Increase humidity with a pebble tray or humidifier. Use filtered water. Water on a consistent schedule.
Scorched or bleached leaves
Cause: Too much direct sunlight burning the foliage
Fix: Move away from direct sun. This plant prefers filtered or indirect light.
Drooping or wilting
Cause: Usually underwatering or sudden temperature change
Fix: Water thoroughly and ensure consistent moisture. Avoid cold drafts and heating vents.
Toxic to Pets
Brittle Gum is toxic to cats and dogs. Ingestion may cause oral irritation, excessive drooling, vomiting, and difficulty swallowing. Keep this plant out of reach or consider a pet-safe alternative.
Browse pet-safe alternatives →Frequently Asked Questions
Is Brittle Gum safe for cats and dogs?▼
No — Brittle Gum is toxic to both cats and dogs. If ingested, it may cause oral irritation, drooling, vomiting, or difficulty swallowing. Keep out of reach of pets or choose a pet-safe alternative.
How often should I water Brittle Gum?▼
Water approximately every 8 days, but always check the soil first. Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated. Adjust frequency based on season — less in winter, more in summer.
How much light does Brittle Gum need?▼
Brittle Gum prefers medium light conditions. Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.
How big does Brittle Gum get?▼
Indoors, Brittle Gum typically reaches about 45 inches (114 cm) tall with a spread of around 36 inches. Growth rate is moderate. Size depends on pot size, light, and care.
Is Brittle Gum good for beginners?▼
Yes! With a difficulty rating of 2/5, Brittle Gum is very forgiving and suitable for beginners. It tolerates imperfect conditions and bounces back from mistakes.
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