These popular plants are superb, long-lasting garden ornaments.

The petals of the hydrangea might also curl in on themselves or flip over.

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Closeup of deadheading hydrangeas

The Spruce / Jason Donnelly

What Is Deadheading, and Why Is It Important?

Although reblooming isn’t a main perk of deadheading, there are many other upsides.

What Is Deadheading?

Signs that it’s time to deadhead hydrangeas

The Spruce / Jason Donnelly

Deadheading is the process of cutting off spent flower heads.

This helps the plant direct its energy towards new growth, instead.

One common misconception is that deadheading hydrangeas leads to reblooming.

Tools for deadheading hydrangeas

The Spruce / Jason Donnelly

While it’s sometimes possible, it’s rare.

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Why is this the case?

Hydrangea heads should be cut just above a healthy node or bud on the stem.

Locating the node on the hydrangea for deadheading

The Spruce / Jason Donnelly

Deadheading hydrangeas may help them grow a little, but it’s not the main method for encouraging flowering.

It helps maintain their size and health and combats overcrowding.

This depends on the key in of hydrangea you have.

Most varieties should be pruned in late winter or early spring.

Other varieties that grow on old wood should be pruned late in the summer or right after they bloom.

Pruning Hydrangeas,University of Maryland Extension