Best Native Trees for a Sydney Backyard

Native trees handle Sydney's climate, support local wildlife, and (mostly) ask less of you in care. But not every native suits a backyard — some get too big, some are too messy, and some are genuinely dangerous near houses. Here's the shortlist.

For small to medium gardens

Banksia integrifolia (Coastal Banksia)

5–10m. Tough, salt-tolerant, flowers attract birds. Good in coastal Eastern Suburbs gardens. Doesn't drop heavy limbs.

Backhousia citriodora (Lemon-Scented Myrtle)

5–8m. Aromatic foliage, white flowers, modest footprint. Excellent feature tree.

Callistemon (Bottlebrush)

3–8m depending on cultivar. Bird-attracting, drought-tolerant. Many varieties — pick by mature size.

Tristaniopsis laurina (Water Gum)

8–12m. Smooth-barked, neat habit, glossy leaves. Tolerates urban conditions well.

For medium to large gardens

Angophora costata (Sydney Red Gum)

15–25m. Iconic Sydney native, smooth-barked, sculptural. Needs space — not for small lots, but stunning in larger gardens.

Eucalyptus crebra (Narrow-Leaved Ironbark)

12–20m. Tough, drought-tolerant, supports native bees and birds. Smaller and tidier than blue gums.

Brachychiton acerifolius (Illawarra Flame Tree)

15–25m. Spectacular red-flowering display, deciduous (briefly). Heritage suburb favourite.

Lophostemon confertus (Brush Box)

15–20m. Dense canopy, glossy foliage, peeling bark. A workhorse street tree that also works in big gardens.

For coastal Sydney specifically

Banksia integrifolia, Casuarina glauca, Tristaniopsis laurina and Cupaniopsis anacardioides all handle salt spray. Avoid eucalypts and most blue gums in front-line coastal positions — they'll struggle.

Natives to avoid in backyards

• Eucalyptus saligna (Sydney Blue Gum) — magnificent, but routinely 30m+ and prone to limb drop. Not a backyard tree.
• Eucalyptus grandis (Flooded Gum) — same issues at even bigger scale.
• Corymbia maculata (Spotted Gum) — beautiful but huge; only suitable for park-scale gardens.
• Acacia mearnsii (Black Wattle) — short-lived (15–25 years), often falls suddenly in old age.

Plant-and-forget vs plant-and-manage

Native doesn't mean low-maintenance. Eucalypts especially benefit from structural pruning when young to set good form, and ongoing management as they mature to prevent limb drop over driveways and houses.

Pick the right tree for the spot, manage it from year one, and you've got a feature for the next century.