Photo by Almost Eden
Used with permission, all rights reserved
Brillantaisia owariensis
Also Known As
- Brillantaisia nitens
- Giant Blue African Salvia
- Giant Salvia
Plant type
perennial
size
- H: 6'-15'
- W: 4'-12'
planting zones
- 9b-12
Brillantaisia owariensis plant details
Brillantaisia owariensis is a fast-growing broadleaf semi-evergreen perennial with green foliage. In fall, spring and summer blue and lavender flowers emerge. Attracts bees, beneficial insects and hummingbirds making it an excellent addition to pollinator gardens. Grows well with mostly sun - dappled shade and even moisture - regular water. Does well in average, rich and well-drained soil. A good option if you're seeking something heat tolerant and humidity tolerant.
CHARACTERISTICS OF Brillantaisia owariensis
- Plant type: perennial
- Plant family: acanthaceae
- Foliage: semi-evergreen green
- Mature size: 4 FT - 12 FT - wide, 6 FT - 15 FT - tall
- Flowers: blue and lavender blooms in fall, spring and summer
- Uses: fragrant, long-blooming, tropical-looking, unique
GROWING CONDITIONS for Brillantaisia owariensis
- USDA Zones: 9b - 12
- Sun exposure: mostly sun - dappled shade
- Watering frequency: even moisture - regular
- Resistant to: heat and humidity
- Soil needs: average, rich and well-drained
Nursery contributed plant descriptions
An unusual plant rarely found for sale in the US, Giant Blue African Salvia produces spikes, up to 16" high, of blue to purple, up to 2" long, hooded, two-lipped, tubular, lightly fragrant flowers throughout the warmer months of the year with heaviest flowering in spring and late summer and fall. A vigorous tender herbaceous plant with very large tropical foliage and square stems that can easily reach 6-9' high and may grow to 15' high becoming tree-like in its native habitat.
Giant Salvia is considered root hardy to about 25 °F for short periods. Moderately shade tolerant and typically found growing in wet to moist soils it should do fine under average moisture conditions once well established. When grown in full sun to mostly sunny positions moist to wet soils will likely be preferred.
By: Almost Eden
Garden photo gallery of Brillantaisia owariensis
Gardening facts about Brillantaisia owariensis plant
How to Grow Brillantaisia owariensis
Sun Exposure
- mostly sun - dappled shade
Water Needs
- even moisture - regular
Soil Needs
- average
- well-drained
- rich
Special Situation
- heat tolerant
- humidity tolerant
Features
Foliage Color
- green
Flower Color
- blue
- lavender
Wildlife
- beneficial insects
- bees
- hummingbirds
Flower Season
- spring
- summer
- fall
Foliage Season
- semi-evergreen
Landscape groups by tags
See other plant types of Brillantaisia for your garden
aka Brillantaisia subulugarica, Giant Salvia
Plant Type
Shrub
Zones
10a-12
Size
Height: 8'-10'
Width: 5'
- sun - mostly shade
- even moisture - regular
View Plant
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