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How to Deadhead Flowers for More Blooms and Healthier Plants (Photos)
Have you ever planted flowers only to have them quickly stop growing and fade away? Come learn how to deadhead flowers to extend the blooming season and grow larger, healthier plants!
This guide will explore the benefits of deadheading, the best types of flowers to deadhead, and exactly when and how to do so. These tips apply to annual flowers like zinnia, cosmos and dahlias as well as perennials like roses and peonies.
This simple garden task is easy to do and the reward is huge! Plus, many gardeners find deadheading to be relaxing or therapeutic – myself included. I love to put on some light music, tune into the garden, and try to clear my mind. Enjoy!
We plant dozens of companion flowers amongst our veggies and people alway ask, how are your flowers so full and beautiful?! The secret is regular deadheading! (These cupcake cosmos need to be deadheaded here too.)
RELATED: Don’t miss our favorite 7 easy annual companion flowers to grow, the 18 best fall flowers for a colorful fall garden, or this fun beginner’s guide on pressing flowers!
What is Deadheading?
Deadheading is the simple act of removing old, spent flowers from a plant. Pruning away the “dead heads” frees up nutrients that allows the plants to grow and bloom even more!
On the other hand, when you don’t deadhead, plant growth typically slows down as it focuses all it’s energy on producing seed instead.
For the best results, you should remove a portion of stem along with the adjacent fading flower. See more detailed directions and photos in the “how to deadhead” section to follow.
Time to cut this stem
Benefits of Deadheading
Promotes more new blooms. Don’t worry – the more you pick, the more will grow! That means more flowers for you to enjoy, as well as the bees, butterflies, and other pollinators.
Leads to larger plants. When fading flowers and stems are removed, most plants respond by growing fresh side shoots and an overall fuller, bushy structure.
Extends the blooming season. Routinely deadheading will keep your plants alive, healthy, and blooming far longer than if you let them all go to seed after the first flush of flowers – often into fall for some varieties. For example, we harvest calendula flowers weekly from the same set of plants for nearly a year before they slow down!
Reduces seed spread. As much as a I love having a few volunteer flowers pop up in our garden, it would be an absolute mess if we let every single flower head drop all of its seed! Especially flowers that rapidly self-seed like poppies, bachelor’s buttons, marigolds, calendula, and cosmos. However, we do like to leave some seed heads for the wild birds to enjoy, and so we can save flower seeds to replant next year.
Healthier plants. Deadheading can improve air circulation around the plant, reducing the risk of fungal diseases that can develop on spent flowers or foliage.
Improved appearance. Rather than looking at crusty old brown flowers and seed heads, I love how fresh, healthy, and tidy our garden looks after a good deadheading session!
The Best Flowers to Deadhead
The following flowers benefit from regular deadheading:
Bee Balm
Calendula
Coneflower
Cosmos
Dahlias
Daisies
Delphinium
Geraniums
Hydrangea
Larkspur
Lavender
Marigold
Mums
Peonies
Petunias
Roses
Rudbeckia
Snapdragons
Strawflower
Yarrow
Zinnia
Let’s get pruning!
How to Deadhead Flowers
It’s usually best to deadhead flowers using small garden shears or pruning snips, though you may be able to carefully pinch off flower heads or stems by hand as well.
Starting at the old flower head that you want to remove, work down the stem until you locate the next healthy set of leaves, side branches, or leaf nodes (where future side shoots will grow from).
Trim off the faded blooms about 1/4 inch above the next set of leaves or side shoots down the stem. Depending on the type and age of the flowers, you may end up trimming only a couple inches of stem, or other times much deeper into the plant.
To promote lower branches and prevent the plant from getting too top-heaving, I often cut stems at varying heights – some just below the flower head and others a few leaf nodes down the stem.
Sanitize pruning snips with rubbing alcohol between plants to prevent the spread of disease.
You can also simply pluck off old flower heads, though that leaves plants looking a bit funky – with a bunch of headless stems left sticking up.
Since I don’t want our compost full of volunteer flowers, I usually just toss the clippings into our municipal green waste bin.
New side shoots growing after deadheading. I find that zinnias tend to grow new side shoots from the second or third set of leaves below the flower head (not the first), so I typically cut there.
Deadheading a zinnia three nodes down (just above the side branches) – and the branches will grow their own new side shoots as well!
Where I’d trim this cosmos, just above the first two visible side shoots down the stem
Same with this strawflower
Because we grow and harvest SO much calendula to make organic skincare products for our shop, I don’t both using snips for these. I simply pop the flower heads off with my fingers, though it does leave the plants looking messy with lots of dead stems sticking up.
When to Deadhead
It’s best to start deadheading when plants are still young, quickly removing the first fading flowers to encourage more growth.
Then, continue to routinely deadhead as needed to remove old flowers throughout the growing season. The frequency depends on the type of flower, and how quickly they fade and regrow.
We grow a wide variety of flowers in our large garden, so I typically try to deadhead once a week (or at least 2 to 3 times times per month) spring through fall. Doing a little at a time make the chore more quick and manageable than waiting too long!
Some serious gardeners may deadhead even more often. For instance, garden expert Monty Don suggests deadheading roses daily during peak bloom in midsummer, and weekly as the bare minimum.
The benefits of deadheading extends beyond pruning old, dying blooms. Routinely cutting newer flowers to enjoy in a bouquet or vase also encourages healthier plant growth – so don’t feel like you have to wait until they’re on their way out!
Rather than letting them fully fade on the plant, I love to cut bouquets of slightly-older zinnias to enjoy inside – where they last for a couple weeks!
The result of a good deadheading session, ready for the green waste.
So simple!
Well friends, I hope you learned something new today and now feel motivated to get out there and deadhead some flowers! It always amazes me how this one simple task can have such a profound impact on your garden’s health and appearance. Please feel free to ask any questions in the comments below, and leave a review if you found this article to be helpful!
You may also enjoy:
Seed-Saving 101: How to Save Seeds from Annual Flowers
Bird-Friendly Gardens: How to Attract Birds to Your Yard
Harvesting Fresh Lavender: How to Harvest, Prune & Dry Lavender Flowers
How to Turn Your Yard or Garden into a Certified Wildlife Habitat
15 Best Flowers to Attract Hummingbirds (with photos)
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How to Deadhead Flowers for More Blooms and Healthier Plants
Learn when, why, and how to deadhead flowers to extend the blooming season and grow larger, healthier plants (annuals and perennials). Deadheading is easy to do the reward is huge!
Equipmentsmall garden pruners or snipsrubbing alcohol or other sanitizer
InstructionsStart deadheading flowers when plants are still young, and continue to remove spent flowers routinely (e.g. weekly) as needed throughout the growing season.It’s best to deadhead flowers using small garden pruners or snips, though you may be able to carefully pinch off flower heads or stems by hand.Starting at the spent flower head that you want to remove, work down the stem to until you locate the next healthy set of leaves, side branches, or leaf nodes (where future side shoots will grow from). Trim off the faded blooms about 1/4 inch above the next set of leaves or side shoots down the stem. To promote lower branches and prevent the plant from getting too top-heaving, I often cut stems at varying heights – some just below the flower head and others a few leaf nodes down the stem.Sanitize pruning snips with rubbing alcohol between plants to prevent the spread of disease.
NotesThe following flowers benefit from regular deadheading:
Bee Balm, Calendula, Coneflower, Cosmos, Dahlias, Daises, Delphinium, Geraniums, Hydrangea, Larkspur, Lavender, Marigold, Mums, Peonies, Petunias, Roses, Rudbeckia, Snapdragons, Strawflower, Yarrow, Zinnia
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