Breimanns Blog

Boston Ivy

Green façades with a function

23.10.2025
Henning

Shade, coolness, colour: Parthenocissus tricuspidata is more than just beautiful.

Green façades aren’t a luxury. They’re climate strategy. And they can start with a single plant that works – fast and with lasting effect: Parthenocissus tricuspidata, also known as Boston Ivy.

A green cloak for grey walls

Urban air heats up faster than rural areas – creating so-called heat islands. Green façades can help reverse this effect.
Boston Ivy is a quiet hero in this scenario.

It shades. It cools. And it does so significantly.

15 to 20 degrees difference

In summer, unprotected façades can heat up to over 50?°C. A fully vegetated wall stays 15 to 20?°C cooler – thanks to shade and the evaporative cooling of the leaves.

Inside, this can mean up to 4?°C less room temperature.

No electricity. No tech. Just the plant.

Low-maintenance and fast-growing

Boston Ivy clings to walls with small adhesive pads – without causing damage. Once established, it needs almost no water.
Pruning? Every few years.

Once planted, it takes care of itself.

Autumn blaze in red

And then in October, the show begins: deep green leaves turn a brilliant red – bringing life even to the dullest façade.

Boston Ivy adds colour, proportion, structure and softness.

It creates atmosphere where once there was only wall.

Cooling with character

Parthenocissus tricuspidata is climate-responsive design.

It grows fast, acts fast, asks for little – and is simply beautiful.

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