Australian Waterbuttons

Cotula australis

Native to:
Australia, Chatham Is., Kermadec Is., Lesotho, Madagascar, New Zealand, Norfolk Is., South Africa, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Cotula
Species:
Cotula australis
USDA Symbol:
COAU3

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may,jun,jul,aug
Bloom Colors:
yellow
Ground Cover:
Yes
Lawn Substitute:
Yes

Garden & Ecology Notes

Deer Resistant:
Yes

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, disturbed areas; often found in urban settings

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily at soil surface with light; do not cover deeply.

The above propagation data sourced from Claude AI