Swamp mahogany
A coastal eastern Australian eucalypt of swampy ground that flowers in the middle of winter, and one of the most important winter nectar sources on the New South Wales coast — for bees, and for the flying foxes and honeyeaters that depend on it.
Value to bees
- Nectar
- Very high
- Pollen
- High
- As a honey crop
- Major honey crop — yields a surplus in good years
- Which bees, and why
- Large brush flowers holding a great deal of exposed nectar, worked by honey bees by day and by flying foxes and gliders at night. Coastal swamp forest loss has made the remaining stands disproportionately important.
- Worth knowing
- A keystone winter nectar source for the whole east coast fauna, and a substantial commercial honey flow alongside that.
Flowering
- In flower
- May to August (southern hemisphere)
Mid-winter flowering, which makes it a keystone resource on the Australian east coast.
- When nectar flows
- Very heavy. The flowers are large and produce copious nectar at a season when almost nothing else does.
What it does to the honey
Gives a dark amber honey with a strong malty body, a resinous edge and a lingering slightly bitter finish.
Growing it
- Conditions
- Wet, poorly drained coastal soil, and it tolerates brackish conditions.
- Size
- 20-30 m.
- Native range
- Coastal eastern Australia from southern Queensland to southern New South Wales, on swampy and estuarine ground.
- Suits
- Large gardens, Farm scale
- One of the few large eucalypts that thrives in permanently wet ground.
- Coastal swamp forest is a much-reduced habitat, and planting for it is a genuine conservation contribution in eastern Australia.
What it looks like
A solid tree with thick reddish-brown spongy fibrous bark, broad glossy dark leaves and large clusters of substantial cream stamen-brush flowers.
Sources
- HoneyHQ editorial synthesis — HEKNO Ltd · HoneyHQ synthesis
How sources are selected and weighted is set out in the sources and evidence policy.
Guides covering this plant
Tools for planning planting
- Flowering calendar
What should I plant so that something is always in flower for bees?
- Bee-friendly garden planner
What should I plant in the space I actually have?
- Plant recommendation tool
Which plant fills this specific gap?