Why Do Peonies Have Ants On Them

Melinda Warmund

Published: May 29, 2018

The “king of all flowers,” peonies, are currently giving Missouri a breathtaking display of blossom color. However, ants also appear as the peony plants begin to bloom. Ants on buds and blossoms can be a pain, but they don’t hurt anything (Figure 1). Ants leave peony flowers after bloom is through and go on to seek out another food source.

It is untrue that ants are necessary for peonies to bloom. Peonies and ants have a mutualistic relationship in which both of their activities are beneficial to the other species of organisms. Ants eat the nectar from peony blooms, and in return, the ants defend the flowers from other insects that consume flowers.

It is possible to find extrafloral nectaries outside of peony flower buds. These plant organs exude nectar, which serves as an ant food supply since it contains sugars (sucrose, glucose, and fructose), amino acids, lipids, and other organic substances. A scout ant leaves a pheromone or odor trail on her journey back to her colony after finding nectar on a peony. The scout informs other ants at the nest of the food supply. The recruited ants then return to the nectar-filled peony blossoms by following the olfactory trail.

The ants guard their food supply from other insects that come to dine on the flower buds while they are consuming the nectar. The odor trail is reinforced when each ant consumes peony nectar, continuing until all of the food has been consumed. This kind of insect behavior is an effective way for them to make use of a transient food source.

An insecticide need not be used because the presence of ants on the floral tissues of peonies is only transient. Holding the peonies upside down by the stem immediately below the flower, shake the ants off outside or gently rinse them off before arranging them when cutting peonies at full bloom for indoor use. Cut plant stems while flower buds are in the “marshmallow stage” to assure ant eradication, and wash any ants off with water before bringing them inside (Figure 2). Flower buds are currently closed but displaying some color. Squeezing flower buds between the forefinger and thumb will also feel velvety. When marshmallow-stage buds are taken indoors, full bloom usually happens within 8 to 48 hours of putting the stems in water. Cut stems containing flower buds can also be refrigerated for subsequent bloom production.

Thrips, a common insect that feeds on peony blooms, are not like ants. These tiny (1 to 2 mm long), thin insects use their mouthparts to penetrate flower petals and draw liquids from the plant tissues, resulting in flowers that are discolored or have blemishes. Heavy infestations that obliterate peony flowers are quite uncommon. See the most recent IPM article, “Plant Peonies in September,” for more details on cultivating peonies.

How may ants on peony be removed?

Peonies are well known for luring ants, which crawl all over the flowers and feast on the sticky sugars they release. Whether they are outside or on someone’s dining room table, the ants leave once the blossom has fully opened and the sucrose has been digested. People who have had ants march across their dinner table and depart their centerpiece frequently have a negative opinion of peonies as cut flowers.

However, there is a straightforward fix for the ant issue, and every professional peony grower uses it: Before the petals open, cut the peonies when they are in bud. Shake or wipe off any ants that may be present on the buds. The peony should then be placed in water to begin blooming indoors.

The only tricky part is figuring out when the bud is mature enough to be cut open from the inside. The bud is at its softest and most colorful when it is at this stage. When clipped, the bud on a giant double peony like Sarah Bernhardt can measure around 1.5 inches in diameter; two days later, it will have grown to its full size.

Cut peonies can be stored in the refrigerator for a few weeks if they are at the marshmallow stage. The peony can be stored in the refrigerator’s back section after being gently wrapped in plastic with the clipped stem ends showing. (Warning: Adding apples, cantaloupes, or other ethylene-producing fruits will reduce the flowers’ vase life.) The flowers can be burrito-style wrapped in newspaper and put in an opaque plastic container in a fridge for the commercial grower. They will hold at 35 for a month or longer. Cut an inch from the stem when you are ready to use it, and then immerse it in warm, deep water. The length of time it takes for the bloom to fully open can range from eight to 48 hours, depending on how tightly closed the bud was when it was cut.

Your peony won’t have ants if you handle them this way. Additionally, they’ll be the most exquisite, lavish, and aromatic cut flowers imaginable.

Pink “Sarah Bernhardt” peonies are complemented in the image above by fuschia Dianthus “Purple Bouquet” and deep purple Campanula glomerata. On Friday morning, the peonies were placed in water after being cut in bud and kept in the cooler for a week. Sunday morning was when this picture was taken.

Why are my peonies covered in so many ants?

Ants enjoy peonies for the same reason that we do—they are delightful. You’ll observe sweet nectar droplets surrounding the bloom’s green exterior as the flower buds develop (called the sepal). Ants adore sugar, as we all are aware. It makes sense that they would be drawn to this sticky honey.

This frequent occurrence gave rise to the misconception that ants are necessary for peonies to blossom.

According to the hypothesis, in order for the buds to open, the sticky substance must be removed by the ants. However, this myth is wholly wrong. Peonies will bloom with or without a few ants’ assistance (it makes for a wholesome story though).

Are ants attracted to peony plants?

The peony is typically the first flower that springs to mind when you think of springtime flowers. You might fantasize about having them all over your garden because of their fluffy pink blossoms, invigorating smell, stunning pastel hue, and ease of maintenance. However, there is a drawback to these lovely petals. Peonies, it turns out, will attract all ants to your yard. Possibly even into your house.

These blooms do in fact draw these small bugs, according to Integrated Pest Management at the University of Missouri. Ants can’t get enough of the sticky sap that peony buds produce just before they bloom. Until the flower fully blossoms, they will climb all over the buds, soaking up the sap. No harm is done to the bloom by the ants, but you may have to deal with them if they start marching across your kitchen counter.

Are ants damaging to my peonies?

Peonies may become lanky and need staking to support their blooms if planted in partial shade.

The peony is a favorite flower among gardeners in the South. These sought-after beauties may even be cultivated in backyards, and the vivid, billowy flowers steal the show in cut bouquets. In spring, peonies that are in bloom are welcomed into garden beds, but the swarms of ants that swarm to the flowers are not. Wait a moment before using the pesticide; it’s not a bad idea. Peonies are not harmed by ants; in fact, the creatures aid in their defense. According to the University of Missouri, it is a fallacy that ants help peonies blossom, but the two actually have a positive association.

A sweet, sugary nectar that is secreted by peony blossoms draws ants. An army of ants immediately locates the food source after one ant emits a pheromone to the colony when she discovers a nectar-rich bloom. How is this beneficial to peonies? The ants chase off other insects trying to eat on the peonies in order to defend their prized food source. There is no need to apply insecticide to get rid of the ants because once the nectar is gone, they will depart the flower in search of other sources of sustenance.

Snip just-opening peonies for cut flower bouquets (they will have a longer lifespan in a vase). Make sure no ants are bringing the blossoms inside with them. To get rid of any ants, submerge the chopped peony heads in a bucket of water. Plant peonies inside in the fall for spring blooms. Due to their need for colder winters and the fact that they frequently take two to three years to produce their distinctive show-stopping blooms, these flowers can be challenging to grow in Southern backyards. But good news for you: It is simple to find peonies at nearby grocery stores and flower shops for usage in bouquets and cut arrangements.

Peonies should be deadheaded, right?

One gardening activity that has several advantages is deadheading peonies. Look at these!

  • Increasing Plant Quality These hardy perennials may concentrate their energy on growing the plant itself as they don’t have seed heads or discarded blooms to worry about. This might comprise:
  • expanding the tuber
  • storing up energy for the coming year
  • Putting down stronger roots
  • Cleaning the Garden
  • Once the peony plant has finished blooming, the unattractive part can be removed by simply snipping away the spent flower heads. Keep the greenery to help you conserve energy for the following season.
  • Simple, quick, and satisfying
  • Peony deadheading is a quick, simple, and satisfying yard task. When you next just have five or ten minutes to spend in the garden, this project is ideal.
  • Future Blooms will be larger
  • Do it even though it’s unlikely you’ll see more peony flowers this year. Peonies will produce more and better flowers in the future if deadheading is done.
  • Increasing the Plants’ Compactness
  • Our peonies are allowed to grow until they die back in the fall, so removing the deadheads helps the plants become a little more compact. This gives us some room in the garden to grow other flowers in front of or behind them, such as hyacinths, sunflowers, or zinnias.

Do you know of any more advantages to deadheading peonies? These are my favorites and make spending a bit more time with these plants worthwhile.

I want to keep ants away from my flowers.

You should be aware that ants are among the oldest living things on the planet if you’ve decided they don’t belong in your garden. In reality, they coexisted with dinosaurs.

In addition, there are more than 10,000 different species of ants worldwide. (And those are only the ones we are aware of. Therefore, various ants could not react to treatments in the same way.

Having said that, here are six techniques gardeners use to get rid of ants:

  • Eliminate aphids and other insects that feed on tree sap. Ants won’t be able to gather honeydew if this happens.
  • Spread fake sweetener in the vicinity of the ants.
  • According to reports, this kills ants (which might make you reconsider adding the stuff to your coffee).
  • Around your plants, scatter ground cinnamon or cayenne pepper. Ants may be repelled but not harmed by this.
  • By routes and nests, scatter food-grade diatomaceous earth. This tiny powder, which is derived from ancient diatoms, dehydrates ants, slugs, and cockroaches. But people can use it without any risk. (Note: To be successful, it must stay dry and may take a few weeks to eliminate ants.)
  • Set up a poison trap with sugar and borax (or boric acid). Numerous do-it-yourself pest poison formulas based on borax and boric acid can be found online with a fast search. Although borax and boric acid are natural substances, they are harmful to both humans and animals, so handle them with caution.
  • the anthill with boiling water. Naturally, this method only works if you are aware of the location of the ant colony. Also keep in mind that ants construct their homes to endure flooding and rain. Therefore, it can take numerous attempts to kill the queen (and wipe out the colony).