Swan River Myrtle (Hypocalymma Robustum) is a perennial shrub in the Myrtaceae 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 toxic to cats and dogs — keep it out of reach of pets.

Hypocalymma robustum is a small shrub native to southwestern Australia, known for its attractive pink to mauve flowers and fine mid-green foliage.

Swan River Myrtle

Swan River Myrtle

Hypocalymma Robustum

Hypocalymma robustum is a small shrub native to southwestern Australia, known for its attractive pink to mauve flowers and fine mid-green foliage.

Quick Facts

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

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy
Indoor:No
Outdoor:Yes

Care Calendar

Monthly care tasks for Swan River Myrtle

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

Swan River Myrtle
Swan River Myrtle detail

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Taxonomy

Family:Myrtaceae
Genus:Hypocalymma