How to Divide and Transplant Peonies for Next Year’s Showiest Blooms – And Why September Is the Best Season to Do

Peonies are one of the most breathtaking sights in a late-spring garden—full, cloud-like blooms, rich fragrance, and the promise of beauty that can last for generations. They’re also famously loyal, thriving in the same spot for decades. But sometimes, even the happiest peony needs a fresh start.

You may be wondering, “Can I transplant peonies?” Absolutely. Moving an established peony is not only possible—it can help your plant thrive. The secret is knowing exactly when and how to do it.

Get it wrong, and you could lose blooms for years. Get it right, and you’ll enjoy stronger plants, bigger flowers, and a garden that puts on a show every spring. In this guide, you’ll learn the perfect timing, the step-by-step process, and the aftercare that ensures your peonies flourish in their new home.

Reasons to Transplant Peonies

But first of all, you may wish to know if transplanting your peonies is really worthwhile. Having said these, they are very strong plants, so you can do it for health, but also aesthetic reasons. So, let’s see them…

You could transplant your peony to give it better growing conditions; maybe it is not receiving enough sunlight; maybe it is in a poorly ventilated place; in this case, moving it to a better place could be a necessary solution.

You could transplant your peony because it is ill; if you see that your peony has been showing signs of long lasting illness, maybe over a whole season, or it has not blossomed as well as you would have liked it to, then, again, finding it a better place to live could be the safest solution.

You could transplant your peony for aesthetic reasons; and this is purely your choice as a gardener; maybe you want it to be part of a border, or it looks out of place where it is now…

But now, can you transplant peonies at any time of the year?

When to Transplant Peonies Without Losing Next Year’s Flowers

For most gardeners, the ideal time to transplant peonies is September. This timing allows the plant to settle into its new location well before the first frost arrives. By September, your peony has finished its growing and blooming season. It’s no longer focused on producing leaves or flowers—it’s shifting into dormancy. This means the energy from the foliage has already moved down into the roots, so transplanting now causes less stress and gives your plant the best chance to adjust.

In some cases, you may need to move the timing earlier. Peonies are very cold-hardy, but in extremely cold climates—like USDA Zone 3—frost can arrive as early as September 8. If you live in one of these areas, aim to transplant in late August so the plant has at least two weeks to establish before the ground freezes. In USDA Zone 4, frost usually comes between September 21 and October 7. If your first frost is expected early, try to transplant at the very start of September.

How to Tell It Is the Right Time to Move Your Peonies

Peonies don’t care what the calendar says—they’ll tell you exactly when they’re ready to be moved if you know what to look for. The key is timing the transplant to match their natural slowdown.

As the growing season winds down, peonies pull energy out of their leaves and send it into their roots, building up reserves for next spring. You’ll see the signal in their foliage: deep green fades to yellow, then wilts. That color change isn’t just cosmetic—it’s a sign the plant has finished its “energy deposit” and is shifting into dormancy.

Move your peony right after this process is complete, but before the soil gets too cold. At this point, the roots are strong, the plant has no active growth to support, and it can focus entirely on settling into its new home. Get it right, and you’ll have a peony that greets spring ready to burst with healthy, abundant blooms.

Can you Transplant Peonies in Spring?

You may have heard that it is possible to transplant peonies in spring as well. This is true, but risky, and most professional gardeners prefer to do it in the fall. But in case you are late, and you want to move them in this season, only do it in early spring. Let’s see why and how.

If you transplant your peonies in spring, make sure that they do not yet have new leaf buds! If they do, it is too late! Your flowering plant will lose some or most of them, if not all, and it may need to start again. This will result in a weakened plant and poor blooms.

So, the rule is “better safe than sorry”, if you want to transplant peonies in spring. In case you see any leaf buds on the stems, just postpone it to September (or late August).

When Not to Transplant Peonies

Peonies are strong, but there are certain times when moving them can do more harm than good. Avoid transplanting during these situations:

• When the plant is in bloom – Flowering uses up most of the plant’s energy. Moving it now can set it back for years.
• In the middle of winter – Frozen soil stops roots from establishing, and the stress can make the plant more vulnerable to rot and disease.
• When foliage is still green and active – Uprooting at this stage forces the plant to drop leaves, disrupts its growth, and often leads to weak or no blooms the following year—especially if paired with extreme weather.

And now you know when and when not to transplant your peonies, let’s learn how to do it like a professional!

How to Divide and Transplant Peonies in 5 Simple Steps

Transplanting peonies isn’t difficult, but a little prep work will make the job smoother and safer for your plant.

Step 1: Prepare Your Peony for Transplanting

If your peony’s leaves have yellowed, dried up, and wilted, it’s the right time to move it. Before you start digging:

1. Grab the right tools – Use a sharp pair of secateurs for clean, precise cuts. Loppers can work, but they’re less accurate.
2. Sterilize the blades – Wipe them with rubbing alcohol to prevent spreading disease.
3. Hold the stems steady – Grip the plant at the base with one hand.
4. Cut back the foliage – Trim all stems down to about 2 inches above soil level (roughly 5 cm).

This makes the plant easier to handle and reduces the risk of damage during the move.

Step 2: Dig Up the Peony

1. Use a garden fork, not a spade – A spade can slice into the roots, while a fork gently loosens them.
2. Start digging from the edge – Position the fork where the outer foliage used to reach. If you don’t feel resistance from the roots, move in closer.
3. Lift the root ball – Gently pry up the roots from one side, then move around the plant, lifting from multiple angles until the entire clump is free.

Step3: Dividing the Peony

If your peony clump is large or you want to propagate it, this is the time to divide it. Look for natural divisions in the crown where groups of buds, called “eyes,” are attached to healthy root sections. Each division should have at least three to five eyes and a solid portion of root. Use a clean, sharp knife or garden spade to cut through the crown, making sure each section is healthy and firm. Avoid small, weak divisions, as they may take years to bloom.

Step 4: Prepare the New Planting Hole

1. Pick the right spot – Peonies thrive in full sun with good air circulation.
2. Check the root size – The hole should be about 25–33% wider and deeper than the root ball (for mature peonies, usually around 2 feet wide and deep).
3. Improve the soil – Fill the bottom quarter to third of the hole with well-draining, nutrient-rich soil, ideally with a pH between 6.5 and 7.0.

Step 5: Replant the Peony

1. Position the plant – Place the peony in the center of the hole, keeping the eyes (buds) no more than 2 inches below the soil surface.
2. Backfill with soil – Use the same amended soil, filling in around the roots.
3. Firm the soil – Press gently with your foot so it’s firm but not compacted—no air pockets.
4. Water deeply – Give it a generous soak to settle the soil around the roots.

That’s it—you’ve successfully transplanted your peony. But there’s one more final tip that can make all the difference for its first year in a new home…

What to Do After You Have Transplanted Your Peony

But you may want to give your peony some extra tender loving care, to give it the best chances to settle in and come back next year as healthy and floriferous as it can! And the best thing you can do is mulch it. I would suggest that you do it in any case, always before winter sets in.

Just lay at least 2 inches of mulch (5.0 cm) all around the cut stems, covering the whole hole. This will keep the roots warm, protecting them against freezing days, and it will also keep nutrients and humidity into the soil.

Ok, here is another final tip; keep watering your transplanted peony every two weeks, until frost comes. This is, of course, unless it rains, or it is wet. But then, stop altogether.

Frequently Asked Questions and Answers

If you follow these steps, your peony will come back strong and healthy after you have transplanted it, but you may still have a few questions, and here are the most common…

Question: “Can I divide peonies when I transplant them?”

Answer: “Yes, definitely, this is actually an ideal time to divide them and propagate them. Cut the radical system, leaving a few base stems for each clump that you obtain, and making sure it has a set good, well developed roots. Just make sure that each clump has at least 3 to 5 new buds, or nodes, and if you want to know more about it, check out our article on how to divide them.”

Question: “What can I do if frost comes a bit too early?”

Answer: “In case your peony has not had at least two weeks to settle in before frost comes, you can still save it. To start with, make sure you mulch it abundantly. This could suffice, but if you want to be extra safe, cover it with a transparent plastic sheet. Place a few holes in it, and use some stakes or sticks to keep it off the plant.”

Question: “What is the best weather to transplant peonies?”

Answer: “You want fair weather, a sunny or cloudy day does not matter, but as long as it is not wet, windy or too cold.”

Question: “What is the best time of day to transplant peonies?”

Answer: “I would suggest you do it in late afternoon or evening; this way, water evaporation will be minimal, and the weather is usually fresher, so, the roots of your peony won’t dry up. But you can do it in the morning, as long as it is not too sunny or hot.”

Question: “Can I uproot a peony one day and transplant it the day after?”

Answer: “Please don’t! Do not leave the roots exposed to the weather for longer than necessary, or they may dry up, and, on top of this, the soil around them will lose nutrients.”

Question: “Should I water the peonies before I transplant them?”

Answer: “No, don’t. Do it only after you have moved your peonies to their new home. If you do, the soil will get heavy and it will make it difficult to lift it and, on top of this, its weight may make it fall off the roots.”

Question: “Is it necessary to transplant peonies in order to thin them out?”

Answer: “No, it isn’t. Unlike other perennials, peonies are well behaved, and they don’t overgrow or become too thick. In fact, they grow back every year from the roots, and this keeps them in size.”

Question: “Can I transplant my peonies when the soil is wet?”

Answer: “If you want to have a messy job… No, don’t. Wet soil is heavy, and this does not only mean more work. It also means that it can come off the roots while you transplant your peony, and this will have a bad effect on its ability to adapt to the new place. So, always move your peonies when the soil is (fairly) dry.”

Question: “Do I need to wear gloves when transplanting peonies?”

Answer: “No, you don’t. You can if you want, but at no stage do you run any risks when transplanting a peony plant.”