| Latin Name: | Acacia pycnantha |
| Common Name: | Golden wattle |
| Family: | Leguminosae |
| Synonyms: | |
| Known Hazards: | None known |
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Author: Benth.
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| Habit: A Fast Growing Evergreen Tree |
| Habitat: Thickets, or as an under-storey in Eucalyptus forests, especially on very poor soils[167]. |
| Height: 8.0 Width: |
Cultivation Details:
Prefers a rather poor sandy loam and a very sunny position[1, 11]. Succeeds in any good garden soil that is not excessively limey and in dry soils[11]. Most members of this genus become chlorotic on limey soils[200]. Prefers a pH in the range 5.8 to 6.5.
This species is not very hardy outdoors in Britain. Plants require hot, sunny summers if they are to ripen their wood fully and flower freely. In Britain they tend to do best when grown in coastal gardens in a sunny, sheltered position that is protected from the wind[11].
A fast growing but short-lived tree in cultivation[167]. It is sometimes cultivated for the tannin obtained from its bark[1, 171].
This tree is the floral emblem of Australia[167].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200].
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Propagation Notes:
Seed - best sown as soon as it is ripe in a sunny position in a warm greenhouse[1]. Stored seed should be scarified, pre-soaked for 12 hours in warm water and then sown in a warm greenhouse in March. Germinates in 3 - 4 weeks at 25°c[133].
Cuttings of half-ripe wood with a heel, July/August in individual pots in a frame[78]. Overwinter in a greenhouse for the first winter and plant out in their permanent positions in late spring or early summer. Fair percentage[78].
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