Balcony
Garden Ideas.
Balcony garden ideas begin with a fact: a balcony the size of a dining table grows enough basil, mint and cherry tomatoes to change how you cook. It will also hold a lot less weight than most people assume. Start with the load limit, then work through orientation, containers, and watering — in that order.
Curated by Nina Calloway · Fact-checked by Tom Bexley · Updated Oct 2026
Check the load limit first
Typical load limit
150–200 kg per m²
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Start with the load limit, not the plant list.
A 50 cm terracotta pot filled with wet soil weighs 40–60 kg, and a typical residential balcony is rated for 150–200 kg per square metre. Keep total pot weight below half the rated load. Fibreglass and fabric grow bags are far lighter than terracotta, and a lightweight mix of perlite, coir and light compost takes another third off. Then think about light, wind and water.
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Which way does the balcony face? Pick one and we’ll show what will actually grow there — with the pot size each plant needs.
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Use self-watering pots for the heat — they stretch watering to every three to five days.
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Seasonal Garden Ideas
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How to Start a Balcony Garden
A balcony garden starts with 4 checks: load limit, sun direction, wind and drainage. Typical balcony load limits sit at 150 to 200 kg per m² (31 to 41 lb per sq ft). A 40 cm (16 in) pot of wet soil weighs 20 to 30 kg (44 to 66 lb), so count every container. Light-weight compost and plastic or fiberglass pots keep the total down.
Balcony Garden Ideas for Small Spaces and Tiny Balconies
Balcony garden ideas for small spaces use 3 levels: railing planters, floor pots and a shelf or trellis. A narrow balcony of 1 m (3 ft) wide takes railing planters, a folding bistro table and one tall plant in a corner. Tiny balcony gardens use hanging baskets and a vertical garden to keep the floor open. The hanging plants guide shows 10 ways to hang plants at the right height.
Balcony Container and Planter Ideas
- Railing planters use brackets rated for the full wet weight.
- Window boxes suit herbs and trailing flowers.
- Self-watering containers hold 2 to 5 days of water in summer.
- Hanging baskets free floor space.
- Terracotta pots dry fast and suit rosemary and thyme.
- Modular planters stack and fit awkward corners.
Every container needs drainage holes and a saucer or tray. Containers under 30 cm (12 in) across dry out daily in July heat.
Balcony Vegetable, Herb and Edible Garden Ideas
A balcony herb garden grows basil, mint, parsley, chives and thyme in pots of 20 to 30 cm (8 to 12 in). A balcony vegetable garden grows cherry tomatoes, strawberries, lettuce and peppers in 5 to 10 liter (1.3 to 2.6 gallon) containers. Dwarf fruit trees, such as a Meyer lemon, need a pot of 40 cm (16 in) and 6 hours of sun.
Vertical Gardening, Privacy and Balcony Garden Decor
A vertical balcony garden uses a trellis, a living wall system or stacked planters. Climbing plants such as jasmine, clematis and annual vines grow up a trellis and give a green privacy screen. Bamboo reed screens add privacy in one afternoon. Outdoor rugs, wood deck tiles, string lights and rattan chairs finish the balcony. The privacy ideas guide covers 7 screen types.
Balcony Plants by Light: Sun, Shade and Wind
- Sunny balcony (6+ hours): rosemary, lavender, geranium, tomatoes and succulents.
- Shady balcony (under 3 hours): ferns, hostas, mint, begonias and ivy.
- Windy balcony: grasses, sedum, thyme and low shrubs; tall plants need a stake.
Frequently Asked Questions
Do balcony gardens need drainage?
Yes, every balcony container needs drainage holes and a tray, and the tray needs emptying after heavy rain.
What grows on a north-facing balcony?
Ferns, hostas, mint, begonias, ivy and fuchsias grow on a north-facing balcony.
How often do I water balcony plants?
Water balcony containers under 30 cm (12 in) daily in summer, and larger pots every 2 to 3 days.
How do I stop balcony planters blowing over?
Stop balcony planters blowing over with heavy bases, low shapes, brackets clipped to the railing and plants under 60 cm (24 in) tall in windy spots.