Frosty Wattle
Acacia pruinosa
- Native to:
- Australia
MargaretRDonald,John Robert McPherson,John Robert McPherson,Mueller, Ferdinand von, 1825-1896,Coolidge Rare Plant Gardens Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Sargent, Charles Sprague, 1841-1927,United States Forest Service,Rogers, Julia Ellen, b. 1866,,Fr Junghuhn,Tuttle Bros. Nurseries,Coolidge Rare Plant Gardens
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Acacia
- Species:
- Acacia pruinosa
- USDA Symbol:
- ACPR4
Growth Characteristics
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- yellow
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
fragile anacamptodes moth (Anacamptodes fragilaria)
Garden & Ecology Notes
- Wildlife Value:
- bees, birds, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from lignotuber after fire. Hard-coated seeds may benefit from fire-induced scarification for germination.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open forests and woodlands
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Seeds require hot water treatment or mechanical scarification to break hard seed coat. Soak in near-boiling water and allow to cool overnight before sowing.
The above propagation data sourced from Claude AI