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Ash Trees

Ash trees are fast, tough shade trees with some of the best autumn colour you can grow in Australia. Claret Ash turns deep wine red, Golden Ash a clear yellow, and the green ash selections bronze and brick red. They form a broad, even canopy between 8m and 13m, handle heat, frost and city conditions, and grow quickly when young. This range also includes Evergreen Ash for warmer districts. Every tree is delivered Australia wide.

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How to choose an ash tree

Choose by autumn colour and size. Claret Ash is the best known: fine leaves, a tall oval crown to about 13m and wine red colour that holds for weeks. Golden Ash is smaller at around 10m, with yellow autumn leaves, golden bark on young branches and black winter buds. Green Ash and its selections Cimmaron and Urbanite are strong, upright street trees that tolerate heat, wind and poor soil. Flowering Ash carries fragrant cream flowers in spring on a rounded 8m tree. Velvet Ash suits hot, dry inland sites. Evergreen Ash (Fraxinus griffithii) keeps its glossy leaves through winter in mild climates and stays near 8m.

Where ash trees work

The deciduous ashes colour best where autumn nights are cool: southern Australia, the tablelands and inland districts. They accept clay and periodic dry spells, and they grow in full sun. Use them as lawn shade trees, in avenues, on acreage and in parks. They are too large for a small courtyard: allow room for the canopy. For other options see our deciduous trees and the wider list of fast growing shade trees.

Planting and spacing

Plant large ashes 8m to 10m apart and at least 6m from buildings, paving and pipes. Golden Ash and Evergreen Ash can go 5m to 6m apart. Plant in winter or early spring, dig a wide hole no deeper than the root ball, stake loosely and water deeply once a week through the first two summers.

Care basics

Train a single leader while the tree is young and remove low branches gradually to lift the canopy over a lawn or driveway. Prune in winter. Feed in spring for the first few years and mulch out to the drip line. Established trees need watering only in long dry periods.

Common questions

How fast do ash trees grow?

Quickly when young: up to a metre a year in good soil with summer water, slowing as the canopy fills out.

Which ash has the best autumn colour?

Claret Ash for deep red and Golden Ash for yellow. Cimmaron turns brick red in cool districts.

How big does a Claret Ash grow?

About 13m tall and 8m wide in garden conditions, so give it an open position.

Is there an ash tree that keeps its leaves?

Evergreen Ash holds its foliage through winter in mild and warm climates, and is the smallest tree in this range.