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Home / Tree Encyclopedia / Lemon-Scented Gum

Lemon-Scented Gum

Corymbia citriodora · Myrtaceae

40mMature height
0Councils: no permit needed
0Councils: exempt under a height limit
20Councils: permit required
Lemon-Scented Gum (Corymbia citriodora) growing in Sydney
Lemon-Scented Gum · typical mature form

Do you need a permit?

Lemon-Scented Gum is a protected tree in effectively every council Pro Climbing Tree Services covers. Expect to need a tree permit, or a development application where the property is heritage listed or in a heritage conservation area.

How to identify it

A tall slender tree with powdery smooth white to pale pink bark and a distinctly narrow crown. Crushed leaves release a strong lemon scent, which is the quickest way to confirm identification. White flowers in winter.

Where it grows in Sydney

Planted extensively as a feature and street tree across the North Shore, Eastern Suburbs and Inner West, and in larger gardens through Ku-ring-gai and Willoughby. Rarely a natural occurrence in Sydney.

Common problems

  • Very tall and slender, so it whips in wind and can fail at height
  • Planted too close to houses in 1970s and 1980s gardens
  • Shed bark and leaf litter into gutters
  • Crown weight often develops high, well above nearby rooflines

What removal involves

Height is the main challenge. A slim trunk and high crown mean most removals are climbed and rigged in small sections. Because it is planted rather than remnant, councils are sometimes more receptive to removal applications where the tree is clearly over dominant for the site, though it is still a protected native everywhere on this list.

Council permit rules, council by council

Status below is for a tree on private land that has passed the council's size threshold. Heritage items, heritage conservation areas, significant tree registers, biodiversity mapping and conditions of development consent override every exemption shown here.

CouncilStatusWhat it means
Northern Beaches Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Ku-ring-gai Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Hornsby Shire Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
The Hills Shire Confirm with Council Council holds its species exemptions in a document rather than on its website, so confirm this species with Council before treating removal as exempt. Size thresholds apply in the meantime.
Blacktown City Permit required Council does not run a species exemption list. A permit is required once the tree passes the size threshold, and each tree is assessed on its own merits.
North Sydney Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Willoughby Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Lane Cove Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
City of Ryde Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Hunters Hill Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
City of Sydney Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Inner West Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Woollahra Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Waverley Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Randwick Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Bayside Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Georges River Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Strathfield Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.
Burwood Confirm with Council Council holds its species exemptions in a document rather than on its website, so confirm this species with Council before treating removal as exempt. Size thresholds apply in the meantime.
Canterbury-Bankstown Permit required Not on Council's exempt species list, so a tree permit is required once the tree passes the size threshold.

Frequently asked questions

It was planted by a previous owner. Does that make removal easier?

It helps the argument but it does not create an exemption. Planted natives are protected on the same basis as remnant ones, so a permit is still required.

Can the top just be taken out to reduce the height?

Topping a Lemon-Scented Gum produces dense weak regrowth and long term decay at the cut. Councils rarely approve it and most arborists will not do it. Crown reduction within the allowed canopy percentage is the alternative.

Related trees

Important note on council rules

This encyclopedia is a practical guide for Sydney property owners, not legal advice. Council tree rules change, and exemptions are frequently overridden by heritage listings, heritage conservation areas, significant tree registers, biodiversity mapping, endangered ecological communities and conditions attached to development consent. Always confirm the current rules with your council for your specific address before any tree work begins, or ask us to check it for you.

Photo by WU Hung Ting miucu via Wikimedia Commons, CC BY-SA 4.0

Not sure where your tree stands?

Our arborists work across 20 Sydney councils every week. We will identify the species, check the rules for your address and handle the permit application if one is needed.