How to Deadhead Hydrangeas: A Step-by-Step Guide

Last updated: February 16, 2026

Those brown, papery hydrangea blooms aren’t just ugly — they’re stealing energy your plant could use to make new flowers. Deadheading (snipping off spent blooms) is the single easiest thing you can do to keep your hydrangeas looking full and colorful all season long. It takes about 5 minutes, you just need sharp pruning shears, and the timing matters more than the technique. Here’s exactly how and when to do it.