trefle.io · Taken Sep 7, 2014 by richard gautier (cc-by-sa)
Acanthaceae
Bengal trumpet
Thunbergia grandiflora
Also known as Thunbergia grandiflora f. alba, Thunbergia chinensis, Flemingia grandiflora, Thunbergia malvifolia
Tropical Plants · Native Plants · Tropical · Vine · Climbing · Blue Flowers · Trumpet · Thunbergia · Bengal · Large Flowers · Vigorous · Warm Climate
This vigorous tropical vine produces stunning large blue trumpet flowers and requires warm conditions year-round. Provide strong support and regular watering during growing season. In cooler climates, grow in containers and bring indoors for winter protection.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water thoroughly until soil is evenly moist, maintain consistent moisture · Every 4-6 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -10°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 20 ft
- Spread
- 10 ft
- Spacing
- 48 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Ascension, Assam, Bangladesh, Belize, Cambodia, Cameroon, Caroline Is., China South-Central, China Southeast, Comoros, Cook Is., Costa Rica, Cuba, Dominican Republic, East Himalaya, Ecuador, El Salvador, Fiji, Florida, Gabon
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle
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