National Trust's Sky Gardening Challenge 2025

Let's green Greater Manchester's Skyline together. Help nature thrive from your balcony or window box.

So whether you’re a gardening novice or a planting pro – if you have a balcony or window box, you can green the city above the ground. The sky really is the limit.

That’s why National Trust are encouraging Greater Manchester residents to welcome nature into their skyline space. To help nature bloom on every balcony.  

To help you get started, National Trust are working with growing experts to bring you inspiration, guidance and gardening challenges to have a go at.

From Thursday 12 June, you can enter the National Trust's Sky Gardening Challenge competition for a chance to win exciting prizes.

Sign up here to National Trust's Sky Gardening Challenge 2025 to receive a free expert balcony gardening guide and monthly Sky Gardening Challenge newsletters via email or post.

Topics