Jacaranda Season in Sydney: How to Care for Your Jacaranda Tree

By Julian Parry, Founder and AQF Level 5 Consulting Arborist, Arbor Pride

Jacaranda season in Sydney usually runs from October into November, a little earlier after a warm, dry winter. To care for a jacaranda, give it full sun, well-drained soil and a deep soak in long dry spells, then prune as little as you can. Heavy cuts send up weak, upright shoots and can cost you flowers, so dead wood and a light tidy after flowering are usually all it needs.

Every spring we get the same handful of jacaranda questions. When will mine flower? Why hasn’t it flowered at all? What do I do about the purple carpet on the driveway? And, a little guiltily, can I cut it back before it takes over the gutters?

This guide answers all of those, along with where Sydney’s jacarandas came from, what to check before storm season, and what the council rules mean for you. I’ve kept it honest: sometimes the best thing you can do for a jacaranda is leave it alone, and I’ll tell you when that is the case.

What You’ll Learn About Jacaranda Tree Care

• When jacaranda season starts, and why it changes from year to year
• Where Sydney’s jacarandas came from
• How to look after a jacaranda through the year
• Whether, when and how to prune a jacaranda
• Why a jacaranda might not be flowering
• What to do about fallen flowers, pods and blocked gutters
• When a jacaranda needs a safety check
• Whether you need council approval to prune or remove one

When Is Jacaranda Season in Sydney?

Jacaranda season in Sydney usually starts with the first purple flowers in mid-October, peaks from late October into early November, and fades as the flowers drop through the rest of the month. The timing moves with the weather, and a warm, dry winter can bring the whole display forward.

It is not a fixed date. After the driest winter in several years and a warm September in 2023, Brett Summerell, chief scientist at the Royal Botanic Gardens Sydney, told the ABC that the jacarandas were flowering about three weeks earlier than his earliest records from the previous ten years. He also pointed out that an early bloom means a shorter season. The same article noted that the winter before had been wet, and many spring-flowering plants had flowered late and in smaller numbers.

So if your neighbour’s jacaranda is out and yours is not, there is no need to panic. Individual trees vary with their age, position and the little pocket of weather they live in. I cover the times when a missing bloom is worth investigating further down. And once the flowers have dropped, the tree heads into summer, so my guide to summer tree care in Sydney is worth a read for watering and mulching through a hot, dry stretch.

Where Did Sydney’s Jacarandas Come From?

Jacarandas are not native to Australia. The species lining Sydney’s streets, Jacaranda mimosifolia, comes from north-western Argentina and Bolivia, and arrived here in the 1800s. For years they were hard to propagate, which is why a single tree in the Botanic Gardens was a drawcard until nurseries worked out how to grow them in numbers.

The first notable Sydney jacaranda was recorded at the Royal Botanic Garden in 1857, according to Strathfield Council’s local studies blog. Botanist Dr Russell Barrett told the North Sydney Sun that the first seeds most likely came from Argentina to Brisbane, where a former director of the botanical garden, Walter Hill, is reported to have planted seeds from a shipping captain in 1864, and that the trees probably reached Sydney soon after.

Some of the best-known plantings are more recent than people assume. The roughly 30 mature jacarandas in McDougall Street, Kirribilli, were a gift from the town of Grafton and were planted in the 1930s under a beautification program started by Lady Gowrie. The popular story that a North Sydney midwife gave jacaranda saplings to new mothers, by the way, has little evidence behind it.

They can also live a long time in the right spot. The University of Sydney’s famous Quadrangle jacaranda was planted in 1928 and stood for 88 years before it came down in October 2016.

How Do You Look After a Jacaranda Tree?

A jacaranda wants full sun, well-drained soil and room to spread. Once it is established it copes with dry spells, but it still appreciates a deep soak in a long, hot stretch. The jacaranda questions we get most often are about position and pruning, rather than day-to-day care.

• Sun, soil and climate: Burke’s Backyard recommends a sunny position and well-drained, fertile soil. Jacarandas in cooler areas with light frosts grow more slowly, stay smaller and do not flower as well.
• Room: mature trees reach roughly 10 to 15 metres high and wide, so think about where the tree sits in relation to your roof, pool and boundary before it gets there. Fallen flowers clog pool filters, so avoid planting one overhanging a pool.
• Watering: in a long dry spell, water slowly and deeply under the canopy, out to where the branches end, rather than sprinkling near the trunk. Keep any mulch clear of the trunk itself. The detail is in my summer tree care guide.

Here is how I would think about a jacaranda through the year:

Can You Prune a Jacaranda, and When?

Yes, but usually less than people expect. Jacarandas carry their flowers at the ends of their branches and answer heavy cuts with fast, upright shoots that spoil the spreading shape. Dead wood can come out at any time, and any shaping is best kept light and done after flowering.

Burke’s Backyard goes as far as saying not to prune a jacaranda at all, because the vertical shoots it sends up spoil its natural umbrella shape. I am not quite that strict, since dead wood and the occasional rubbing branch do need to go, but I understand where the advice comes from. My own approach is to prune a jacaranda as little as the tree and the property allow.

What I would do, in order:

• Dead wood first. Dead branches carry no flowers and are the first to come down in a storm, so they are always worth removing.
• Then rubbing or crossing branches. Where two limbs grind against each other they create wounds that struggle to heal, so removing the smaller or less useful one is usually the answer.
• Shaping only after flowering. Do it on a mild day, not in a heatwave, and keep it light.
• Never top it. Chopping the top off a jacaranda leaves a flush of weak, upright growth and a tree that is harder to manage than the one you started with.
• Leave powerlines to the experts. Ausgrid says trimming within three metres of its powerlines must only be done by accredited workers, so do not attempt it yourself. See Ausgrid’s tree trimming responsibilities.

Good pruning follows AS 4373, the Australian Standard for pruning of amenity trees, and takes off only what the tree can afford to lose. If a jacaranda has simply outgrown its spot, I will tell you plainly if the better answer is a careful reduction, or in some cases replacing it with something better suited. Preserving the tree comes first, but not at any cost.

If you are not sure how much is too much, a site visit settles it quickly. Our tree pruning service covers dead wood removal, canopy lifting and thinning, and shaping, and I would rather talk you out of a big cut than into one.

Why Isn’t My Jacaranda Flowering?

A jacaranda that does not flower is usually young, shaded, growing in a cooler spot, or has been pruned hard. Trees grown from seed can take years to flower, and cutting back the branch ends removes the flowers before they open.

• Age: Burke’s Backyard notes that seed-grown jacarandas take longer to flower, while a modern grafted form flowers faster and more reliably. A young tree may simply need time.
• Position: jacarandas in cooler areas flower less well, and a tree squeezed into shade by a bigger neighbour will struggle for light.
• Pruning: because the flowers form at the ends of the branches, heavy cutting of those tips can mean fewer flowers next season.
• The season: a wet winter and a cool spring can delay or thin out the display, and the tree may well catch up the following year.

If a mature tree in full sun has missed several seasons, or its canopy is thinning or has dead branches, that is the point to ask an arborist to look at its health rather than just waiting another year.

What Do You Do About Fallen Flowers, Pods and Blocked Gutters?

Jacarandas drop a lot, and for a few weeks the mess is part of the deal. Fallen flowers get slippery on paths, steps and decks, the seed pods are best raked up as they fall, and the fine leaflets can slip through gutter guard, so it pays to clear your gutters once flowering has finished.

• Paths and steps: sweep regularly while the flowers are falling. Wet flowers on timber decks and pavers are a real slip risk.
• Pods and leaves: rake them up and add the flowers and leaves to the compost.
• Gutters: clear them after flowering, and again before fire and storm season. Dry leaf litter in gutters matters in a bad fire year too, which I cover in my guide to preparing your trees for bushfire season.

If a jacaranda is hanging over your roof or pool and the clean-up has become a burden, tell me about it. Lifting or trimming back branches that overhang the roofline is usually a simple, light job, and far better than letting it build up.

When Does a Jacaranda Need a Safety Check?

Check any jacaranda near your house, driveway or fence for dead branches, new cracks, fungal growth near the base, or a lean that looks worse than last year, ideally before storm season. Those signs matter more than the species. I do not think of jacarandas as a problem tree, but any large tree can drop a limb.

• Dead branches or bare patches in the canopy
• Cracks, splits or cavities in the trunk or main limbs
• Fungal growth or soft wood near the base
• A new lean, or one that looks worse than last year
• Branches over the roof, a play area or a neighbour’s fence

A photo can help, but it is no substitute for a site visit. A tree risk assessment tells you which trees are sound, which need work and whether anything is a real risk to people or property. If a limb or tree has already come down, stay well clear of it and any powerlines, call 000 if anyone is in danger, and see our page on emergency tree removal for what to expect.

Do You Need Council Approval to Prune or Remove a Jacaranda?

It depends on your council. NSW leaves most decisions about private trees to local councils through their development control plans, so a jacaranda may be protected by its size or location even though the species is common. Check your council’s rules before any significant pruning or removal.

The state framework sits in Chapter 2 of the Biodiversity and Conservation SEPP 2021, and the Department of Planning’s page on protecting our urban trees and vegetation explains that council development control plans decide which trees on private land need approval before removal. Our council regulations page is a good starting point for the council you live in, and if your property is in a 10/50 entitlement area, that rule may also apply, which I explain in my bushfire guide.

The rules have also tightened this year. In 2026 the NSW Government introduced stronger laws against illegal tree clearing in urban areas, with higher penalties, stricter rules and stronger replanting requirements. Under the policy changes, pruning or removing a protected dead or dying tree now needs a council permit, and the exemption for a tree that poses a safety risk applies only if your council agrees it is an imminent one. Your council must confirm in writing that an exemption applies before you start work.

Street trees are different again. A jacaranda on the nature strip belongs to the council, and residents should not prune or remove it. Ku-ring-gai Council, for example, states that pruning or removal of a council tree is undertaken by council. If removal is really the right call for a tree on your own property, our tree removal service can take you through the process, and we are always happy to talk it through first. Rules change, so please confirm the current position with your council before any work starts.

Related Reading

• Summer Tree Care in Sydney: How to Protect Your Trees in an El Niño Summer: watering, mulching and what can wait for cooler weather

FAQs About Jacaranda Tree Care

When do jacarandas flower in Sydney?

Jacarandas in Sydney usually flower from mid-October into November, with the peak from late October to early November. A warm, dry winter can bring the display forward by weeks, and a wet, cool one can delay it, so the exact timing changes from year to year.

Can you prune a jacaranda tree, and when is the best time?

Yes, but keep it light. Dead wood can come out at any time, and any shaping is best done after flowering, on a mild day rather than in a heatwave. Avoid topping or heavy cuts, which send up fast, upright shoots that spoil the shape and can cost you flowers. For anything bigger than a tidy, have a qualified arborist take a look first.

Why is my jacaranda not flowering?

Young trees, especially those grown from seed, can take years to flower, and jacarandas in cooler or shadier spots flower less well. Heavy pruning can also remove the branch ends that carry the flowers. If a mature tree in full sun has missed several seasons, or its canopy is thinning or has dead branches, it is worth having an arborist check its health.

Are jacaranda trees invasive?

Not usually a serious problem, but they are not native, and in some places seed has escaped into natural areas. Royal Botanic Garden Sydney botanist Dr Russell Barrett says they have the potential to become weeds but that this does not happen often, and that the issues are relatively minor and mostly avoidable with good planning, such as not planting near waterways where seed can wash away. Give a jacaranda room, since mature trees reach roughly 10 to 15 metres high and wide, and keep it from overhanging a pool.

Do I need council approval to prune or remove a jacaranda?

Often for significant pruning or removal, but it depends on your council’s rules. Councils decide which trees on private land are protected through their development control plans, and NSW tightened its rules on illegal tree clearing in 2026. A jacaranda on the nature strip belongs to the council and should not be pruned by residents. Check with your council before any work.

If you have a jacaranda that has grown into your roof, dropped a limb or simply worries you ahead of storm season, contact our team to book an on-site assessment. We are happy to come and have a look.

This article is general information based on Arbor Pride’s professional experience and is not a substitute for a site-specific assessment. Tree health, safety risk, and legal requirements, including council permits and Tree Preservation Orders, vary by property, tree, and council area, and can change over time. Always arrange an on-site consultation with a qualified arborist and confirm current requirements with your local council before removing, pruning, or otherwise working on a tree.