Introduction
Somewhere around the second week of September, without any announcement, Pretoria starts changing colour. Streets that were grey and dusty a fortnight earlier are suddenly arched over with purple, entire suburbs look like they’ve been dipped in blossom, and the pavement underfoot turns into a soft, sticky carpet of fallen flowers. Locals barely look up. Visitors stop taking photos of the Union Buildings and start taking photos of the trees instead.
This is Jacaranda season, and it’s one of those South African traditions that isn’t really a tradition at all — it’s a tree that arrived from the other side of the world, took root in one city more than anywhere else, and somehow became part of the culture. It comes with its own folklore, its own exam-season superstition, and, underneath the postcard version, a genuinely uncomfortable question about what belongs in a South African landscape and what doesn’t.
Where the Jacarandas Actually Came From
Jacaranda mimosifolia is not indigenous to South Africa at all — it’s native to South America, mainly Argentina and Brazil The trees were brought into the country in the late 1800s, and Pretoria took to them harder than any other city, with large-scale planting along its streets picking up through the early 1900s
Over the following decades, the city planted jacarandas by the tens of thousands along avenues, around government buildings, and through older suburbs like Sunnyside, Brooklyn, and Groenkloof, until the tree became so closely associated with the city that Pretoria picked up an unofficial nickname most South Africans know even if they’ve never lived there: the Jacaranda City.
A Bloom on a Schedule
The bloom itself is short and reliable. Depending on the season’s rainfall and temperature, the purple flowers usually open from around late September into October, lasting a few weeks before the flowers drop and the trees green over for summer Jacaranda-lined streets aren’t unique to Pretoria — Johannesburg’s northern suburbs, parts of the Western Cape, and other inland towns have their own smaller versions — but nowhere in the country does it happen at the scale, or with the civic identity, that it does in Pretoria.
The Exam-Season Superstition
Jacaranda season lines up almost exactly with the run-up to end-of-year exams at the University of Pretoria and other local institutions, and that timing produced one of the city’s most enduring bits of student folklore: if a jacaranda flower falls on your head before you’ve started studying, you’re going to fail. If it falls after you’ve already started, you’re set to pass.
It’s a small, low-stakes piece of nonsense, and that’s exactly why it’s stuck around for generations of students. It gives a tree that nobody actually planted for them a personal stake in the most stressful part of their academic year — one more thing to blame or thank, depending on how the semester went.
More Than a Backdrop
The purple streets have become part of how the city photographs itself and how it’s sold to visitors, but the season shows up in smaller, more local ways too:
• Wedding photographers booking out entire weekends in late September and October to shoot under specific streets
• Local families with a “good jacaranda street” they drive down every year, purely for the view
• Street vendors and small businesses timing seasonal stock — flowers, photography sessions, even ice cream carts — around the bloom
• Long-time residents who can tell you, without checking a calendar, roughly which week the flowers will turn
None of that required a marketing campaign. It’s a tree that flowers on a schedule, and a city that built its own small rituals around it.
The Part the Postcards Leave Out
Here’s the harder truth sitting underneath the purple photographs: jacarandas are not native to South Africa, and in ecological terms, they’re classified as an invasive alien species under national environmental legislation, which restricts new planting and, in some categories, requires management of existing trees Jacarandas use significant amounts of water and can compete with indigenous vegetation, which is part of why environmental authorities have taken a firmer stance on the species over the years.
That’s created a real, unresolved tension for a city whose entire identity is wrapped around a tree it isn’t allowed to plant more of. Existing jacarandas in urban areas are generally protected and left standing — nobody is proposing Pretoria cut down its streets — but the current legal position effectively freezes the population where it is, meaning the Jacaranda City as it exists today is, quietly, already the peak of it.
It’s worth knowing that before treating the season as a simple, uncomplicated postcard. The purple streets are real, the pride in them is real, and so is the fact that the tree behind it all doesn’t belong here in the way the indigenous fynbos, proteas, or acacias do. South Africa’s actual heritage trees — the ones that were always meant to grow here — mostly don’t get the same season of attention.
Fast Facts Box: Jacaranda Season
• What: The annual purple bloom of jacaranda trees across Pretoria and other South African cities
• When: Roughly late September into October, timed with local spring
• Origin of the tree: South America, introduced to South Africa in the late 1800s
• Nickname: Pretoria is widely known as “the Jacaranda City”
• Student folklore: A jacaranda flower falling on your head means you’ll fail or pass your exams, depending on whether you’ve started studying
• The catch: Jacarandas are officially classified as an invasive alien species, so new planting is restricted even though existing trees are left standing
Closing Thought
Jacaranda season is one of the few times a South African city gets to be genuinely, uncomplicatedly beautiful in a way that photographs itself. It’s also a reminder that even our most loved traditions aren’t always simple — sometimes the thing that makes a place feel like home was never native to it at all, and the honest version of the story holds both of those truths at once, without needing to pick one.
Call to Action
Which street do you drive down every year just for the jacarandas, and did the exam superstition ever work out for you? Tell us in the comments, and tag someone who needs an excuse to go look up this September.
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