Petunia: Growing Guide

Annual plants with very conspicuous, funnel-shaped flowers, unfortunately easily damaged by rain. The modern Fi hybrids are stronger, but their colours are rather harsh.


Ideal for window-boxes, especially when protected by a roof overhang, so that the flowers are kept out of the rain. It is advisable to install a watering system.


In containers and window-boxes use standard potting soil.


Sow from late winter onwards under glass, prick out once, keep warm and do not move the plants outside until late spring. Cuttings may be taken in summer.

Petunia hybrids: Height 15-50 cm; flowering season in summer. There are small-flowered, large-flowered and fringed strains, each category embracing single and double forms. Unlimited colour variety.

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