Dillwynia retorta
Dillwynia retorta
- Native to:
- Australia
Edward Minchen (1862-1913),John Tann (www.flickr.com) from Sydney, Australia,Allthingsnative2576,Donald Hobern (www.flickr.com) from Copenhagen, Denmark,Donald Hobern (www.flickr.com) from Copenhagen, Denmark,Donald Hobern (www.flickr.com) from Copenhagen, Denmark,John Tann (www.flickr.com) from Sydney, Australia,Moonlight0551 (www.flickr.com) from Australia,John Tann (www.flickr.com) from Sydney, Australia,John Tann (www.flickr.com) from Sydney, Australia,John Tann (www.flickr.com) from Sydney, Australia,John Tann (www.flickr.com) from Sydney, Australia
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Dillwynia
- Species:
- Dillwynia retorta
- USDA Symbol:
- DIRE16
Growth Characteristics
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct,nov
- Bloom Colors:
- yellow, orange, red
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Seeds are stimulated by fire; hard seed coat cracks after heat exposure, promoting germination in post-fire environments.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to heathlands and open forests
Propagation & Germination
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 21–60 days
- Notes:
- Seeds require scarification (e.g., hot water treatment or mechanical nicking) to break hard seed coat; germination occurs in 3-8 weeks.