How to Extend Petunia Blooming Season

Overview

Petunias are hardy annuals prized for long bloom, vivid colors, and ease. Minimal care yields maximum flowers from spring to late summer.

Step 1: Deadhead Religiously

Pinch off drooping blooms at the base. Preventing seed set forces energy into more flowers, prolonging bloom.

Step 2: Fertilize Consistently

Use balanced fertilizer all season.

Step 3: Mid-Summer Hard Prune

When shoots get long and stringy, shear 1–2 inches from base with sharp scissors/shears. Water and fertilize immediately. New growth will be bushier with a fresh flush of blooms.