Flowers | Gardening

How to Deadhead Zinnias in Pots (3 Simple Steps)

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Do zinnias need deadheading? That depends. Would you like to have more flowers? I’m sure it’s a resounding YES! Let’s get to it then – I’ll tell you how to deadhead zinnias in pots or in your garden.

But first, let’s cover some of the basics.

If you aren’t familiar, check out my complete guide to what is deadheading!

Should You Deadhead Zinnias?

The process of deadheading zinnias – or even simply cutting some flowers for bouquets – encourages new blooms. If you’d like to cut fresh zinnias all summer and fall long, it’s a good idea to deadhead or cut and come again.

You can deadhead zinnias each week when you go to cut new fresh flowers for your kitchen, bathroom, or surprise vases for your friends and neighbors. While deadheading is not required, it can still make positive impacts on the plants.

Red and Yellow Zowie Zinnias with Deadheads Spent Blooms with Cucumber and Apple Butter Signs

Benefits of Deadheading Zinnias

Removing spent flowers from zinnia flowers brings numerous benefits to the garden, including:

  • Encourage new blossoms.
  • Extend the growing season.
  • Improve the look of your garden space.
Deadhead Zinnias - Large Field of Zinnias for Pick-Your-Own or Cut and Come Again

Because zinnias are annual flowers, they don’t come back automatically every year. This means you can do a few thing to improve your chances of repeat zinnias.

  1. Let the last flowers go to seed and avoid deadheading.
  2. Save these for seed for the next growing season.
  3. Alternatively, scatter the zinnia seeds from the last blossoms allowed to exist in hopes of germinating zinnias next season.
Pick Your Own Fresh Cut Zinnia Flowers Bouquet with Nippers in Grass

Zinnia Deadhead Tips

  1. When zinnias are fully brown and crunchy, they should be ready for seed saving.
  2. Cut zinnias above the leaf node so more flowers will grow from the stem where the flower cut is located.
  3. If your zinnias are very prolific, you may not need all of them for seed saving. Use your discretion.
  4. Snip off the spent blooms with nippers, scissors, or pruners.

When you deadhead zinnia flowers, you promote better growth and more prolific blooms.

Make a point to deadhead zinnias when you have time and you’ll enjoy the rewards of more and more blossoms throughout the growing season.

Picking Cut and Come Again Zinnias - Little Toddler Girl Holding Bouquet

When to Deadhead Zinnias

Begin to deadhead zinnias after the blooms begin to fade. You can also cut flowers regularly throughout the growing season for fresh-cut flowers inside and special bouquets for your friends or neighbors.

  • It may be a good time to deadhead zinnias when you will be dropping off your yard waste at the municipal collection location.
  • Anytime after the blooms fade will be fine for deadheading zinnias.
  • Consider letting some of the spent flowers remain on the plant at the end of the growing season so you can have some seeds for next year!
Little Girl in Field of Zinnias for Cut Flowers
Little Toddler in Field of Pick Your Own Zinnias

How to Deadhead Zinnias

It’s easy to deadhead zinnias at home in your garden or in pots. Try these steps:

  1. Inspect your garden and look for spent blooms. (You can also remove fading blooms.)
  2. Use your scissors or garden shears to cut back the dead zinnia flowers.
  3. Collect up all the spent blooms for composting or seed saving, depending on maturity.
Little Girl in a Tutu with Fresh Picked Zinnias at a Picnic Table

Deadheading Zinnias in Pots

Zinnias often attract pesky critters like groundhogs and woodchucks, who love to feast on the pretty flowers and their stems and leaves.

If you find your garden in this predicament, you may want to transfer some of your zinnias to pots.

Deadheading zinnias in pots is just as easy as deadheading zinnias in the garden.

Dried Flower Seed Heads Deadheading Zinnias

The bonus is that your plants are better protected from garden pests that may do more than just deadheading if you aren’t on high alert.

Learning how to deadhead zinnias in pots is simple. Begin deadheading by snipping off spent blooms and removing them from the area. New growth, and eventually flowers, flowers should appear from the leaf joints on the stem.

Compost the dead flowers or search for seeds you can scatter or save for next season!

Little Girl in Tutu Picking Fresh Zinnias in a Field
Little Girl in a Tutu at a Picnic Table with a Bouquet of Pick-Your-Own Zinnias Flowers

Deadhead zinnia flowers to prolong flowering in the garden, raised beds, or in containers and pots. Imagine how lovely it will be to extend the flowering season every year!

Fresh-Cut Zinnias and a Vase
Zinnia Bouquet in a Vase - Red, Pink, and Orange Flowers

If you enjoyed this post, you may also enjoy our guide on How to Deadhead Sunflowers. These cheerful blooms also work wonderfully in your summer bouquets.

And, if you love Zinnias as much as I do – I HAVE to tell you about this – Have you seen there are BLUE ZINNIAS?!

Do you love zinnias as much as we do?! We would love for you to share the love in social media or leave us a comment about your experiences deadheading zinnias.

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