Deadheading guide
How to deadhead butterfly bush 'black knight'
How to deadhead butterfly bush 'black knight'
Follow the spent bloom down to the first set of healthy leaves or a visible side bud, and cut just above it. Cutting only the petals off leaves the developing seedpod behind, which defeats the point.
The mistake to avoid
Snipping just the faded petals and leaving the swollen green seedpod below. The plant still thinks it has set seed, so butterfly bush 'black knight' slows down anyway.
More butterfly bush 'black knight' care
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- Full butterfly bush 'black knight' care guide
- How to prune butterfly bush 'black knight'
- How to propagate butterfly bush 'black knight'
- Growing butterfly bush 'black knight' in a pot
- How to overwinter butterfly bush 'black knight'
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Deadheading butterfly bush 'black knight' — FAQ
Should I deadhead butterfly bush 'black knight'?
Deadheading butterfly bush 'black knight' genuinely pays off. Once a flower fades the plant starts pouring energy into setting seed, and removing it redirects that energy straight back into producing more buds. Keep on top of it through the season and you get a noticeably longer, heavier display; stop, and flowering tails off as the plant decides its job is done.
How do you deadhead butterfly bush 'black knight'?
Follow the spent bloom down to the first set of healthy leaves or a visible side bud, and cut just above it. Cutting only the petals off leaves the developing seedpod behind, which defeats the point.
How often should I deadhead butterfly bush 'black knight'?
Every few days to weekly through the flowering season — the more regularly, the better the repeat.
What is the most common deadheading mistake with butterfly bush 'black knight'?
Snipping just the faded petals and leaving the swollen green seedpod below. The plant still thinks it has set seed, so butterfly bush 'black knight' slows down anyway.