Long-leaved Bitter Bark (Petalostigma Triloculare) is a perennial shrub in the Picrodendraceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is safe for cats and dogs.

Petalostigma triloculare is a small tree or shrub native to eastern Australia, known for its glossy dark green leaves and highly perfumed flowers.

Long-leaved Bitter Bark

Long-leaved Bitter Bark

Petalostigma Triloculare

Petalostigma triloculare is a small tree or shrub native to eastern Australia, known for its glossy dark green leaves and highly perfumed flowers.

Quick Facts

Type
shrub
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
9-11

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, specimen plant, habitat for wildlife

Care Calendar

Monthly care tasks for Long-leaved Bitter Bark

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Long-leaved Bitter Bark
Long-leaved Bitter Bark detail

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Taxonomy

Family:Picrodendraceae
Genus:Petalostigma