How to Deadhead Zinnias in Pots (Step-by-Step Guide)

How to Deadhead Zinnias in Pots (Step-by-Step Guide)

What’s the best way to deadhead Zinnias in Pots?

There are so many effective ways to improve flower production in Zinnias.

It’s not uncommon to see people using a spore-less clove of garlic with water to get rid of zinnias. This isn’t the most effective approach!

Although garlic is a powerful anti-fungal agent, there are still some important things you need to know when it comes to applying the garlic to zinnia leaves.

Deadheading Zinnias (video)

In summary, here’s how to deadhead Zinnias in Pots:

As your Zinnias blooms and fade, you can deadhead by trimming each flower off at the stem to promote more flower production. This will increase the yield of Zinnias and keep the plant bushy and full.

Learn the step-by-step process on how to deadhead Zinnias in Pots. But first, let’s get the basics out of the way.

Are Zinnias Toxic Plants?


Yes, Zinnias are naturally toxic plants that produce a sulfur compound in their leaves.

You will find that when you cut the leaves off the plant, this sulfur can leak into the leaves and soil.

This type of poisoning can be very serious, especially if you have not been eating correctly for a long time, or if you have not been eating at all because of some illness.

To avoid this type of poisoning, you should start by washing your hands often before you eat.

Next, you should spread the garlic on the affected leaves. For best results, you can use the garlic along with a few drops of vinegar.

The vinegar will help to kill the bacteria that live in the leaves. Make sure to make your own garlic paste, so that you do not end up contaminating the plants.

Read Also:- Do Zinnias Bush Out? (Where To Cut Zinnia Flowers Off?)

Tending your Zinnias

If you are new to taking care of deadhead zinnias, you should try to let the plant die naturally.

As long as the plant has been dead for a few weeks, there will be no risk of the plant re-sprouting.

Also, because the plant will not have any roots, there is a lower chance of spreading this disease.

If you are planning on how to deadhead zinnias in pots, you may start the treatment by using fresh garlic leaves.

Cut the garlic off of the plant’s stem. You may want to use some vinegar for the purpose.

You should then wash your hands well and rinse off the hands again, making sure that there are no traces of garlic in the water.

You should then put some vinegar onto a cloth and tie it around the base of the plant.

This will keep the vinegar in the base of the plant for up to one year.

Once the vinegar is saturated, you can remove the cloth and use a pumice stone to help remove the vinegar from the base of the plant.

You can then begin to deadhead zinnias in pots by carefully removing the leaves from the plant.

You should use a sharp knife to carefully cut the leaves off of the plant. You should make sure that you cut the entire leaves off so that you do not leave any exposed plant parts in the pot.

When you are learning how to deadhead zinnias in pots, you will find that this type of method is easier than most others — since you do not have to wait for the plant to mature before you can begin killing the bacteria.

Do I need to deadhead my Zinnias plant

If you are starting a new garden and have decided that you would like to grow Zinnias, then it is likely that you will soon be faced with the decision of whether or not you should deadhead your Zinnias plant.

The main reason for doing so is that if you don’t, the plant can become disfigured.

However, if you have decided to deadhead your plant, then you will find out a few useful tips to help you along.

Examine your plant closely

The first thing that you need to do is check to make sure that your plant is not too tall.

The best plants for deadheading are those which are still growing and are often about the same height as the main plant itself.

This can be difficult to achieve, however, as some plants can take years to reach this stage.

If you have a relatively short-lived plant, then it may be worth waiting until it reaches maturity before taking it off.

When you are ready to deadhead your plant, you need to choose one that is growing and is at a suitable height for your needs.

Once you have found a plant that has reached a mature stage, you will want to remove any parts of the plant which appear damaged.

This is the best time to remove any blooms which have developed on the plant, as this will also cause damage if left on.

Once you have removed all of the damaged areas on the plant, you will need to place them all in one pile.

If you are using a pot, then you can remove the soil from the bottom of the pot and place all the damaged plants on top.

However, if you are not using a pot, then you should leave them in one area, away from direct sunlight, and to keep the soil moist.

As soon as you have finished deadheading your Zinnias plant, you need to remove any parts which are visible above the soil level.

For example, if the plant is growing up into the air, then you should remove any leaves which are above the air, but which are still growing.

If they are not growing any further, then just remove the whole plant.

You should use a sharp knife to cut back any of the flowers which have developed on the Zinnias plant.

However, it is important that you do not remove any of the petals. If you do, you may end up with a plant which is disfigured as a result.

This is not recommended, as it will look ugly and unappealing when it grows.

How to keep Zinnias blooming

Whether it is in your own backyard or a private party, you need to know how to keep Zinnias in bloom.

They are beautiful plants and if you care for them the right way, they can grow into beautiful flowers as well as trees.

However, if you don’t have the proper information you might be wasting your money on a blooming plant that will eventually wilt and die.

Choose the right Zinnia

Make sure you determine which Zinnia is the correct one for your needs.

These are a fairly common plant that can be found in many garden centers.

Most of these companies will tell you that these are not hardy and will only survive in the southern part of the United States.

The best time to plant a Zinnia in your yard or flower garden is late summer and early fall.

If you want a full bloom in the spring you will need to plant them later in the season, but at this time of the year they are usually easier to grow and produce flowers.

Use the right fertilizer

The second thing you will need to do is to choose the proper Zinnia fertilizer.

There are a variety of different fertilizers out there and you need to make sure that you buy the correct product.

If you purchase too much fertilizer you may damage the plant as well as the leaves and roots, so always read the labels before buying.

Once you find the fertilizer needs, you will need to start watering.

You will need to water the plant three to four times a week and during the winter you should water it every other day or so.

If you do not have direct sunlight, you should plant them away from any plants that have the sun because it will dry the leaves out and make them crack.

The last thing you will need to do in order to keep your Zinnia in bloom is to prune the plant. You should cut back any branches that are over 6 inches in length and then prune them again in the spring.

This will prevent the plant from spreading out and will keep the plant looking healthy and happy.

You will also want to prune the flowers so that they look beautiful and they can attract as many flowers as possible.

Some gardeners choose to do this with scissors while others choose to use tweezers to do it.

If you follow these tips you will be able to learn how to keep Zinnias blooming for many years.

With just a bit of work you can grow and watch your Zinnia bloom until it is in flower.

How to care for Potted Zinnias (and Tulips)

Most of us are familiar with how to care for Potted Tulips but what about Potted Zinnias?

While both Tulips and Zinnias are attractive, they are also somewhat different and require slightly different care.

Tulips will require a lot of tender loving care in the form of regular watering, pruning of the plant’s branches and twigs, fertilizing the plant and regular pruning of the flower petals.

Zinnias requires less maintenance and will require just a bit of tender loving care as well.

This is because most Zinnias will bloom and produce flowers in the spring, and will then die back in late summer or early fall.

If you have never cared for Tulips before, you may want to start off by looking at how to care for Potted Zinnias, but then you should give Tulips a try.

Tulips are known to be very easy to grow, but you will need to keep them well watered at all times.

Watering should be done once a week or every other week during the growing season.

Keep an eye out for drooping flower petals and leaves, and if you do find one that is wilting you will want to water it more.

There should also be minimal staking of the Tulips so that they do not get blown away in strong winds.

If you do have wind, you will want to avoid planting the Tulips close together.

Zinnias will require more attention than Tulips. When they bloom, they may require watering again several times, so you will want to watch for this.

Because of their large leaves, they will require a lot of pruning throughout the season, especially in the spring time.

If you have ever had a Tulip plant, then you may know what it is like trying to maintain a Zinnias plant.

They tend to have very large and hard flowers which are often very hard to bud out and take care of.

The best thing that you can do is just to give it a try and you will probably get some success in the long run.

The key to keeping your Zinnias healthy is the same with caring for Potted Zinnias, as with many things. You just need to remember what is important to you.

Remember, Potted Zinnias will need more attention. They will need a lot of pruning.

Do not just prune them every couple of weeks as this will be much harder on them than you may think.

You may want to cut back a bit on the fertilizer for them and watch how they grow in the following season.


When you start to learn how to care for Zinnias, you may even consider growing them in pots, or hanging them on your patio or pergola.

This way, you will be able to have a better picture of what your Zinnias will look like when the last bloom period is over.

Read Also:-  Do Deer Eat Zinnia? (No, here’s why)


To Plant a Garden is to Believe in Tomorrow!

Sign up for our newsletter and turn your thumb greener with each season. No spam, just blooms. Subscribe now and start nurturing nature's beauty with us!

You have Successfully Subscribed!