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Famous for its brief, bright yellow burst of fragrant pom-pom shaped flowers at the tail end of winter, Mimosa tends to grow as a large shrub rather than a tree. It looks best when only lightly pruned and is a useful informal screening plant, with lovely feather-like evergreen leaves. Acacia dealbata is known as the florists' mimosa, providing them with an armful of sunshine in winter; it is also a wonderful source of winter fodder for bees.
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Delivery Season: Pot-grown delivery only: year round
Easy to grow, thrives on neutral to mildly acidic, well-drained soil only. Grow in full sun, with shelter from winds. As a colonial introduction from South East Australia and Tasmania, bear those sunny climes in mind when planting.
RHS Hardiness rating H3, which is down to about -5C. Although it is only recommended for warm, frost-free areas in the south of England, in practice, Mimosa is hardy enough to grow in a sheltered urban microclimate in most parts of the UK, and is happy in milder coastal areas. To make sure there are no setbacks, small plants can be protected with fleece to keep frost and snow off them; adult trees won't need this extra protection. In colder areas, grow in pots and move under cover when frosts threaten.
When it is young, deadhead the flowers. When mature, trim the bush lightly after flowering to sweep off their remains: a pole-mounted hedge trimmer is convenient for large specimens. Do not prune it except to remove the usual DDD: dead, damaged, or diseased wood.
Use it to give a full display on its own, or offset its bright springtime colour with an evergreen hedge. Interspersed with other shrubs and trees, it can make a fabulous display alongside a pathway, where you can enjoy its powerful fragrance. To match the leaves pair with Eucalyptus gunnii 'Azura' or for a matching flower display, try Cytisus scoparius.