Lemon myrtle a tasty tree

• 09/07/201718/01/2021
• Bush foods

Photos and story by Russ Grayson

Lemon myrtle is an indigenous Australian tree for larger community or home gardens unless grown as a pruned specimen. Left to reach its full growth form it would be a suitable tree for urban parks.

As an Australian bush food, lemon myrtle could be gleaned where it occurs in the wild or in public places, providing the gleaners ethics of taking only what is needed and not damaging the plant is followed.

The trees common name comes from the strong lemon aroma that emanates from its leaves when crushed.

In the community garden

Unless the lemon myrtle is pruned to maintain a reduced growth form, this is a tree for the larger community garden.

Locate it where it will not cast shade over plants requiring full sun, such as to the southwards of annual garden beds. Left to reach its full growth potential, lemon myrtle might find use as a shade tree with seating below when it reaches a suitable height.

This is a tree for the orchard area or for planting in sheltered corners of the community garden.

Common name: Lemon myrtle
Botanic name: Backhousia citriodora
Climate: Subtropical, warm temperate.

Growth form: Evergreen tree to to 20m height though comonly smaller and growing perhaps to five metres in cultivation. Dense canopy. Slow growing. Two to three years to flowering of small white blooms.

Centre of diversity: Australia.
Natural habitat: Coastal Queensland rainforest.
Useful part: Leaves, flowers.

Uses:

To give lemon flavour to food and food flavouring:

• leaves and flowers used in savory dishes and to make a food dressing
• made into a lemon flavoured tea
• add leaves toward end of cooking as cooking reduces flavour
• harder, older leaves used for food preparation
• leaves can be dried and crushed.

Oil can be distilled and is used to scent perfumes, confectionery and in aromatherapy. Could have potential as a shade tree. Reputed to repel insects.

Reproduction and cultivation:

Grow from seed, cuttings. Needs moderate watering. Prefers full sun and well-drained soils of neutral pH. Prefers sheltered sites. Can be pruned.

Disease susceptibility:

Myrtle rust.

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