Flower
Can you grow Viola on a balcony?
Viola cornuta
Yes — great in containers
Viola (Viola cornuta) grows well on a balcony in a pot of at least 10 litres (about 20 cm deep). It needs partial shade — around 4+ hours of direct sun a day. Flowers from spring into autumn (and often through mild winters); ornamental with edible blooms. All figures below are sourced from RHS and the Old Farmer's Almanac.
Sun
⛅ Partial shade (4+ h)
Min. pot
10 L · 20 cm
Water
Medium
Difficulty
Easy
Hardiness
USDA 3-8
Container fit
Excellent
Sow
Grow in fertile, humus-rich, moist but well-drained compost in full sun or partial shade; cool-season plant that prefers morning sun and cooler temperatures
Harvest
Flowers from spring into autumn (and often through mild winters); ornamental with edible blooms
Good companions: Primroses, trailing lobelia, sweet alyssum in cool-season displays
Balcony tip: Ideal for pots and window boxes (use containers around 30cm/12in or smaller); deadhead to prolong flowering and cut back leggy plants in summer heat
Ad · Affiliate link
Right-sized pots make all the difference on a balcony — see containers on Amazon. We may earn a commission at no extra cost to you.
Häufige Fragen
What size pot does Viola need?
Viola needs a container of at least 10 litres, roughly 20 cm deep. Bigger pots dry out more slowly and give better yields on a balcony.
How much sun does Viola need on a balcony?
Viola wants partial shade — about 4+ hours of direct sun daily. Match it to your balcony's aspect before buying seed.
When do you sow Viola?
Grow in fertile, humus-rich, moist but well-drained compost in full sun or partial shade; cool-season plant that prefers morning sun and cooler temperatures. Timing shifts with your climate/USDA zone — the linked sources give the detail.
Sources & date
- RHS: Viola
- Old Farmer's Almanac: Viola
- Data as of: 2026-07-10
- Container sizes and timings are guidance — adjust to your climate/USDA zone and balcony aspect.