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Rutaceae
Thamnosma montana
Thamnosma montana
Also known as Thamnosma
Flowering Plants · Native Plants · Trees & Shrubs · Turpentine Broom · Desert Shrub · Xeriscape · Aromatic · Mojave Native · Sonoran Desert · Yellow Flower · Drought Tolerant · Native Shrub · Rutaceae
Turpentine broom is a resinous, aromatic desert shrub native to the Mojave and Sonoran deserts, prized for its bright yellow flowers and nearly leafless green stems adapted to arid conditions. It demands excellent drainage and full sun, and once established needs only occasional deep watering — it is highly sensitive to overwatering and soggy soils. This plant is best suited for xeriscape and native desert gardens where it will thrive with minimal intervention.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water sparingly; allow soil to dry out fully between waterings · Every 14-21 days once established
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7.5–8
- Temperature
- -20°F to 110°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 24 in apart
- Growth rate
- Slow
- Root depth
- Deep
- Flowers
- Purple
- Foliage
- Yellow · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, California, Mexico Northwest, Nevada, Utah
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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