Agathosma Species, Round-Leaf Buchu

Agathosmabetulina

Family
Rutaceae (roo-TAY-see-ee)
Genus
Agathosma (ag-ath-OHS-muh)
Species
betulina (bet-yoo-LY-nuh)
Synonym
Barosma betulina
Bucco betulina
Diosma betulina
Hartogia betulina
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Shiny/Glossy
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Pale Pink
Pink
Rose/Mauve
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Shrubs
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Scarify seed before sowing
Seed Collecting
Bag seedheads to capture ripening seed
Regional

This plant is said to grow outdoors in the following regions:

Birmingham, Alabama

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Birmingham, AL (Zone 8a) | March 2016 | positive

This aromatic plant grows on the slopes of mountainous regions of South Africa. Due to demand, it is overharvested. It is most reliably p...Read More

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