Collection: Balcony greenhouse

Growing on a Balcony

A balcony greenhouse is built narrow and tall so it works against a rail or wall where floor space is measured in centimetres rather than metres. The frame stays light enough for one person to move, and a zip or roll up cover opens the whole front for watering and picking.

The enclosure does two useful things at height. It cuts the wind, which is stronger on a balcony than at ground level and dries plants out faster than most people expect. And it holds warmth overnight, extending the season at both ends in a spot that would otherwise be exposed.

What Grows Well Up Here

Herbs, salad leaves, chillies, strawberries and bush tomatoes all crop well in containers under cover. Anything that needs deep root run or a long season in full sun is harder, though not impossible on a bright south facing balcony.

The limit is usually light rather than space. A balcony overshadowed by the floor above gets fewer direct hours than a garden does, so leafy crops that tolerate partial shade tend to outperform fruiting ones.

Wind, Weight and Your Lease

Weight and wind are the two things that matter more here than anywhere else. A light frame on an exposed balcony will move, and on an upper floor that is a safety matter rather than an inconvenience.

• Strap or weight the frame to the rail rather than relying on its own mass.
• Check your lease or building rules before fixing anything to the structure.
• Water drains somewhere. A tray under each pot keeps it off the balcony below.

Freestanding and foldable models suit renters, since nothing is fixed and the whole thing packs away. A pop up frame goes further still and stores flat over winter.

Managing Heat in a Small Volume

A small enclosed space heats quickly. On a bright day the air inside a balcony frame can climb well past what seedlings tolerate within an hour, and there is little volume to buffer it. Opening the front each morning and closing it in the evening is the routine that keeps plants alive.

Where you cannot be there daily, shading is the practical answer. Even a light shade net over the top panel takes the peak off without cutting the light plants need.

Other Options for Tight Spaces

If your balcony is deep enough to stand in, a mini greenhouse or a slim narrow frame gives more usable growing height than a tiered cover. Both still fit against a wall, and both are steadier in wind.

For a paved terrace at ground level, the patio range covers frames that stand on hard surfaces without needing a soil bed.