Petunia
Petunia × hybrida · Solanaceae
Continuous bloom from May to October.
Balcony Plants · Flowers · Beginner Plants · Pet Friendly Plants · Fast Growing Plants
Updated on 2026-07-17
Overview
Petunia is the quintessential balcony annual: funnel-shaped flowers in dozens of colors from spring to autumn.
How to grow it
Pots and window boxes with rich soil and full sun.
Watering
Daily at peak summer, never let it dry.
Light
Full sun.
Soil
Universal mix with peat and perlite.
Fertilizing
Bloom liquid feed every 7–10 days.
Pruning
Weekly deadheading of spent flowers.
Repotting
Yearly, grown as an annual.