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Acacia longifolia
Cultivation Notes
This article was provided care of 'Plants For A Future'
| Latin Name: | Acacia longifolia |
| Common Name: | Sidney golden wattle |
| Family: | Leguminosae |
| Synonyms: | Mimosa longifolia. |
| Known Hazards: | None known |
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Author: (Andrews.)Willd.
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| Habit: A Medium Growing Evergreen Tree |
| Habitat: Sandy soils mainly by the coast[167]. |
| Height: 9.0 Width: 6.0 |
Cultivation Details:
Prefers a sandy loam and a very sunny position.[1, 182]. Succeeds in any good garden soil that is not excessively limey[11]. This species is fairly lime-tolerant[11, 200]. Succeeds in a hot dry position[166] and in poor soils[184]. A fairly wind resistant tree, growing well in maritime areas[49, 166, 182]. Tolerates some salt in the soil[200].
Hardy to about -10°c for short periods[200], it can be grown outdoors in many of the milder areas of the country though, even in Cornwall, it is liable to be cut back to the ground in excessively cold winters[11]. It can resprout from the base[11]. Tasmanian provenances are the hardiest forms in British gardens[182].
Dislikes root disturbance[78].
A very ornamental plant[1].
The flowers are scented of violets[245].
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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