Mature size & growth rate

How big does Australian Cabbage Palm (Livistona australis) get?

Also called Australian Cabbage Palm, Cabbage Palm, Gippsland Palm, Australian Fan Palm.

More about australian cabbage palm

About Australian Cabbage Palm

Livistona australis · also called Australian Cabbage Palm, Cabbage Palm · tropical

Livistona australis is a tall, single-trunked fan palm native to the coastal rainforest and wet sclerophyll forests of eastern Australia, from Queensland south to Victoria. It grows slowly to impressive heights and produces large, glossy, dark-green, fan-shaped leaves on long, spiny petioles. The most important care consideration is that it is frost-tender and suitable for outdoor cultivation only in near-frost-free climates (USDA zones 9b–11); in the UK it requires glasshouse protection except in the warmest coastal gardens. Livistona australis has no known toxicity to cats or dogs, though it has not been individually listed by the ASPCA and this should be verified with a veterinarian for sensitive animals.

Mature size: Up to 20 m (65 ft) tall in the wild; typically 6–10 m (20–33 ft) in cultivation, with a crown spread of 4–6 m (13–20 ft).

Indoor size vs how big it gets in the wild

Australian Cabbage Palm is a tree at heart. Indoors a pot and your ceiling keep it to up to 20 m (65 ft) tall in the wild, but in the ground it is a different scale of plant entirely (typically 6–10 m (20–33 ft) in cultivation, with a crown spread of 4–6 m (13–20 ft).). Indoors and in a pot, expect up to 20 m (65 ft) tall in the wild. In the ground with no restriction it is a completely different plant — typically 6–10 m (20–33 ft) in cultivation, with a crown spread of 4–6 m (13–20 ft). — which is why the pot, the light and the pruning matter so much for the size you actually end up with.

It gains real height on a trunk or main stem, adding a tier of leaves a year and eventually reaching for the ceiling — this is a plant you grow up, not out.

Growth rate and years to mature

Australian Cabbage Palm is a slow grower. Realistically, expect a decade or more — slow growers like this add only a few centimetres a year, so expect 8-15+ years to reach their indoor ceiling. Its feeding profile backs this up: apply a balanced organic or slow-release fertiliser in spring and early summer; supplement with a dilute liquid feed monthly through the growing season for container specimens.

Want this turned into the right next pot at the right moment? The pot size calculator and the australian cabbage palm repotting guide cover when and how much to size up — pot size is one of the biggest levers on how fast australian cabbage palm grows.

How to keep australian cabbage palm smaller

You are not stuck with the maximum size. For australian cabbage palm specifically, these are the levers, in order of impact:

The decisive tool is the secateurs: australian cabbage palm can be topped (cut the main growing tip) to cap its height and force a bushier, shorter shape.
Keeping it deliberately pot-bound in a snug container slows the whole plant and limits ultimate size.
Prune in spring so it heals fast; remove the tallest leader back to a node to reset the height.
Good news: slow growth means topping it once buys you years before it needs doing again.

The keep-it-smaller method, step by step

Pick the new height. Decide how tall you want australian cabbage palm and find a leaf node or branch point just below that.
Top the main stem. Cut the main growing tip cleanly just above that node in spring; this permanently caps the height and forces side branches.
Keep the pot snug. Avoid jumping to a much bigger pot — a slightly restricted rootball keeps the whole plant smaller.
Maintain the shape. Prune back the tallest new leaders each spring to hold it at the height you chose.

How to grow australian cabbage palm bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for australian cabbage palm the accelerators are:

It already wants the bright light it needs; warmth, a yearly pot-up and spring-summer feed are the accelerators.
Pot up a size every year or two while young; restricted roots are the main thing holding height back.
Feed regularly through the growing season and keep it warm — height comes from sustained good conditions.

Light is almost always the ceiling. The australian cabbage palm light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When australian cabbage palm outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for australian cabbage palm:

The top leaves pressing against or bent by the ceiling — the classic "this is now too tall indoors" sign.
It has to be moved away from a light source it has literally outgrown.
Roots filling the largest pot you can reasonably keep indoors — at that point it is top-or-prune or move it outside (if hardy).

If it is the pot rather than the room, it is a repotting job, not a goodbye — see the australian cabbage palm repotting guide. If you want more of this plant instead of a bigger one, the australian cabbage palm propagation guide turns prunings into new plants.

Australian Cabbage Palm size — frequently asked questions

How big does australian cabbage palm get?

Australian Cabbage Palm reaches up to 20 m (65 ft) tall in the wild when grown indoors, and far larger where it grows unrestricted (typically 6–10 m (20–33 ft) in cultivation, with a crown spread of 4–6 m (13–20 ft).). It gains real height on a trunk or main stem, adding a tier of leaves a year and eventually reaching for the ceiling — this is a plant you grow up, not out.

Is australian cabbage palm slow or fast growing?

Australian Cabbage Palm is a slow grower. Expect a decade or more — slow growers like this add only a few centimetres a year, so expect 8-15+ years to reach their indoor ceiling. Australian Cabbage Palm is a tree at heart. Indoors a pot and your ceiling keep it to up to 20 m (65 ft) tall in the wild, but in the ground it is a different scale of plant entirely (typically 6–10 m (20–33 ft) in cultivation, with a crown spread of 4–6 m (13–20 ft).).

How long does australian cabbage palm take to reach full size?

Roughly a decade or more — slow growers like this add only a few centimetres a year, so expect 8-15+ years to reach their indoor ceiling. Light, pot size and feeding move that timeline more than anything else.

How do I keep australian cabbage palm smaller?

The decisive tool is the secateurs: australian cabbage palm can be topped (cut the main growing tip) to cap its height and force a bushier, shorter shape. Keeping it deliberately pot-bound in a snug container slows the whole plant and limits ultimate size. Prune in spring so it heals fast; remove the tallest leader back to a node to reset the height. Good news: slow growth means topping it once buys you years before it needs doing again.

How can I make australian cabbage palm grow bigger or faster?

It already wants the bright light it needs; warmth, a yearly pot-up and spring-summer feed are the accelerators. Pot up a size every year or two while young; restricted roots are the main thing holding height back. Feed regularly through the growing season and keep it warm — height comes from sustained good conditions.