• A close-up view of Lobelia trigonocaulis with vibrant blue flowers and green leaves, positioned in a natural garden setting with soft focus background featuring a large tree and yellow garden equipment.
  • Delicate Lobelia trigonocaulis flowers blooming through a metal garden trellis, showcasing small blue petals against a backdrop of lush green foliage and a wooden fence.
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Forest Lobelia

Forest Lobelia

Lobelia trigonocaulis

$7.50
$7.50
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Why we love this plant!

Loved for its delicate blue to mauve flowers and its heart-shaped leaves with trailing growth habit. It thrives in moist forest environments and brings a touch of wild beauty to garden settings. This perennial herb forms a low, sprawling mat that is ideal for rock gardens, borders, and as a ground cover where it can naturally cascade.

Care Considerations

Watering preferences:

Mulching preferences:

Fertilising preferences:

Pruning preferences:

Good to Know:

Plant Details
Common uses:
Expected Height Range: 0.1 m - 0.15 m
Spread Range: 0.3 m - 0.5 m
Preferred positioning: Partial shade
Flower Season/s: Summer, Autumn, and Spring
Flower Colour/s:
Plant life cycle: Perennial
Habitat: Native to Australia found in Queensland and New South Wales. Grows in shady areas of sclerophyll forest, in rainforest and near creeks.
Leaf information: Small, green, ovate leaves
Preferred Soil: Prefers well-drained, humus-rich soils
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