Nodding Coneflower

Isopogon teretifolius

Native to:
Australia

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Proteaceae
Genus:
Isopogon
Species:
Isopogon teretifolius
USDA Symbol:
ISTE4

Growth Characteristics

Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
sep,oct,nov,dec
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
birds, insects
Deer Resistant:
Yes
Fire Ecology:
Requires fire for germination
Fire Notes:
Typical Proteaceae fire response; smoke and heat stimulate seed germination. Resprouts from lignotuber after fire in some populations.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to Western Australia's sandy plains

Propagation & Germination

Notes:
Smoke treatment may improve germination; seeds from Proteaceae often respond to smoke or heat.

The above propagation data sourced from Claude AI