Forest Lobelia (Lobelia Trigonocaulis) is a perennial herb in the Campanulaceae family with easy care difficulty. It requires high watering and partial shade or full shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets. It can be grown indoors.

A creeping or trailing herb native to moist forests of eastern Australia.

Forest Lobelia

Forest Lobelia

Lobelia Trigonocaulis

A creeping or trailing herb native to moist forests of eastern Australia.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
High
Light
Partial Shade, Full Shade
Hardiness Zones
9-11

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, silty, peaty
Indoor:Yes
Outdoor:Yes
Garden Use:groundcover, specimen, erosion control

Care Calendar

Monthly care tasks for Forest Lobelia

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

Forest Lobelia
Forest Lobelia detail

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Taxonomy

Family:Campanulaceae
Genus:Lobelia