Book 29, Question 94
What does deadheading do?
Deadheading is removing faded flowers.
Plants make flowers so they can set seeds. If the old blossom is removed, many plants try again and make more flowers. Deadheading marigolds, zinnias, and petunias keeps them blooming all summer. It also keeps the garden tidy. In late summer, some gardeners leave seed heads for birds.
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Quick answers
What does deadheading do?
Deadhead annuals and perennials regularly too encourage new blooms.
Deadhead spent flowers to encourage reblooming and avoid unwanted reseeding.
Sources: Cornell University, University of Illinois
More fun facts
- Deadhead perennials and annuals such as heuchera and petunias to prevent them from setting seed, which slows continued flowering.
Sources: University of California Agriculture and Natural Resources