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Acacia dealbata

Mimosa, Silver Wattle

Half-hardy Tree

What is Half-Hardy Tree?

Fragrant yellow blooms

Half-hardy evergreen

Attractive to bees

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Description How to Grow More Info Delivery Reviews
Evergreen fern-like foliage makes an attractive foil for clusters of bright yellow, fluffy ball shaped mimosa flowers. Its fragrant, nectar rich blooms are a big attraction for bees and other insects in spring. This half hardy evergreen makes an ideal specimen plant for containers, or sheltered sunny borders. An excellent focal point for a large conservatory. Height if unrestricted: 15m (49') Spread if unrestricted: 6m (19'). Supplied in 9cm pots or as 40mm plug plants.

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How to plant trees and shrubs

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

Height Up to 1500cm (591in)
Spread Up to 600cm (236in)

Half-hardy Tree

coastal gardenconservatoryexotic gardengreenhousescented gardensspecimen plantwildlife gardens

full sun

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Flowering Months


3 acacia plant in 9cm pots (45483)
2 x 9cm acacia potted plants (10002)
1 acacia plant in 9cm pot (10001)
1 x 2 litre potted acacia plant (KB9191)
2 x 4 litre potted acacia plants (KB3931)

When growing Acacia trees indoors, repot into a slightly larger container, using a soil based compost such as John Innes No. 2. Water well and position in full sun. Outdoors, plant directly into borders in any acid or neutral, free draining soil. Choose a sheltered position in full sun; a site against a south facing wall is ideal in milder areas. In frost prone areas grow mimosa in a cool conservatory or in a container which can be moved indoors over winter. Feed and water regularly.
Once established, mimosa is fairly drought tolerant and plants grown outdoors will require less attention. Acacia particularly dislikes hard pruning. After flowering prune lightly to maintain its shape. In winter, move container grown plants to a frost free position. In mild areas Mimosa may be overwintered outdoors if grown in sheltered borders and offered some winter protection. Repot container grown plants into increasingly larger pots as they increase in size.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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