Campanulaceae
Clermontia arborescens subsp. arborescens
Clermontia arborescens subsp. arborescens
Also known as Clermontia furcata
Tropical Plants · Flowering Plants · Native Plants · Hawaii Endemic · Rare · Tropical · Rainforest · Lobelioid · Native · Conservation · Hummingbird Plant · Campanulaceae · Clermontia
Hawaiian lobelioid tree is a critically rare endemic shrub or small tree found only in Hawaii's native rainforest understory, making it extremely difficult to cultivate outside of specialized botanical collections. It requires high humidity, consistently moist acidic soils, and dappled shade that mimics its native forest habitat. This species is primarily of conservation significance and is not suitable for typical home gardens.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist but not waterlogged; mist foliage in dry conditions · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 6–8
- Temperature
- -10°F to 85°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 120 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Hawaii
- Attracts
- Hummingbirds, Birds
Sources: trefle
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