Purple haze of blossoming jacaranda trees brightens up streets of South African cities

Category: (Self-Study) Science/Environment

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Jacaranda trees are a symbol of spring in Gauteng. These subtropical trees, with their lavender flowers, bloom yearly in Gauteng, especially Pretoria and Johannesburg, adding a touch of color and joy to the South African cities.

Apart from their captivating color and shape, what makes these trees fascinating is that they are not indigenous to South Africa.

Scientifically known as Jacaranda mimosifolia, the tree is originally from South America, specifically Brazil, and was introduced to South Africa in the 1800s.

These resilient trees are considered an invasive species—they are not naturally part of the South African ecosystem but have adapted and can survive without human help.

But due to their popularity and strong cultural value, people are permitted to plant and grow the trees within city limits.

The trees became a significant part of the modernization of Pretoria in the 1900s, with samples given to residents to grow in their homes.

With Gauteng’s humid weather and rainy springs, the purple giants are thriving, creating a beautiful lavender carpet on windy days and perfect shade on a hot day.

“Jacarandas were classed as an invasive species, but they have a clause in their invasive status,” said Jason Sampson, Head of Botanical Gardens at the University of Pretoria. “They are not listed in urban areas, so which means that because they have a strong cultural value, you’re still allowed to plant them within city limits, like in Pretoria.”

The purple flowers bloom for about two to three weeks before the leaves come out, making the experience even more special.

They’ve also become the perfect background for pictures, with residents snapping a shot whenever they have a moment. Their striking colors beautifully contrast the concrete building.

A resident in Johannesburg, Naledi Mnisi told The Associated Press how she enjoys jogging in the morning while admiring the beauty of the jacarandas.

“Jacarandas make me feel inspired,” said Mnisi. “They represent a new season, a time of growth, and when you are running in the morning, it’s easier to get up and get going as opposed to like winter, where it’s gloomy and dark.”

This article and video were provided by The Associated Press.

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[Jacaranda trees in full bloom]

[Cars parked and people walking under jacaranda trees]

[Jacaranda petals scattered on a pavement]

[Jason Sampson, head of Botanical Gardens at the University of Pretoria, walking through a greenhouse]

[Sampson cutting plants]

Jason Sampson (interview): “Jacaranda trees are a Brazilian tree. They became very popular around the 1800s. There was an artist who’d been doing a lot of paintings, a botanical artist, of these trees and flower in Brazil and there was a horticulturist down in the Cape who brought seed, the first seed that we know of in Africa around about 1810 or so. Trees started to slowly trickle their way northwards from there.”

[Jacaranda tree flower]

Jason Sampson (interview): “You end up with a tree that can grow in the veldt or on the Magaliesberg or in a game reserve that isn’t actually part of the ecosystem so they can outcompete Indigenous species, animals may or may not be able to eat it, so jacarandas were classed as an invasive species but they have a clause in their invasive status. They are not listed in urban areas, so which means that because they have a strong cultural value you’re still allowed to plant them within city limits like in Pretoria.”

[Resident Naledi Mnisi running down a jacaranda lined street]

Naledi Mnisi (interview): “Jacarandas make me feel inspired. They represent a new season, a time of growth, and when you are running in the morning, it’s easier to get up and get going as opposed to like winter where it’s gloomy and dark. But when you step outside and you see the jacarandas, you know they make you inspired, they keep you going. It’s such a beautiful way to start your morning and they’re just an indicator of growth, that the weather is good, season of change, season of growth.”

[Jacaranda trees lining the streets]

[Jacaranda trees]

This script was provided by The Associated Press.