Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
You can plant peonies and lilies together, and it’s actually a pairing that many gardeners swear by for a stunning, long-lasting display.
When you plant peonies and lilies together, you’re combining two of the most beloved perennials in any flower bed.
The question of whether you can plant peonies and lilies together comes down to their similar sunlight needs, soil preferences, and bloom times.
In short, yes, they make fantastic companions if you give them the right conditions and a bit of planning.
In this post, we’ll explore why planting peonies and lilies together works, the best way to arrange them, and a few tips to keep both thriving side by side.
Let’s dig right in.
Why You Can Plant Peonies and Lilies Together
You can plant peonies and lilies together because they share very similar growing requirements, which makes companion planting surprisingly easy.
Both plants crave full sun, well-draining soil, and a neutral to slightly acidic pH level.
When you plant peonies and lilies together, they don’t compete aggressively for nutrients because their root systems occupy different soil depths.
Peonies have shallow, tuberous roots while lilies grow from deep bulbs, so they naturally divide the underground space.
This means you can plant peonies and lilies together in the same bed without worrying about one choking out the other.
Let’s break down the specific reasons this duo works so well.
1. They Enjoy the Same Sunlight
Both peonies and lilies are happiest in full sun, which means at least six hours of direct light each day.
When you plant peonies and lilies together in a sunny spot, they’ll both produce more blooms and stronger stems.
Peonies can tolerate a bit of afternoon shade in hot climates, and lilies will too, but the sunnier the better for both.
This shared preference makes site selection simple and stress-free.
2. Similar Soil Needs
Peonies and lilies both prefer fertile soil that drains well and never stays soggy.
If you plant peonies and lilies together, you only need to prepare one type of soil amendment, which saves you time and effort.
Add compost or aged manure to the bed before planting, and both plants will thank you with vigorous growth.
Avoid heavy clay or overly sandy soil, as neither plant does well in extremes.
3. Staggered Bloom Times Create Extended Color
Peonies typically bloom in late spring, while most lilies flower in early to midsummer.
So when you plant peonies and lilies together, you get a seamless transition of color in your garden.
The peonies put on a show first, and just as they fade, the lilies take over.
This means you can plant peonies and lilies together and enjoy blooms for six to eight weeks straight.
4. Complementary Heights and Shapes
Peonies grow in rounded, bushy clumps that reach about two to three feet tall.
Lilies, depending on the variety, can tower anywhere from two to six feet high.
When you plant peonies and lilies together, you can place shorter peonies in front and taller lilies behind for a layered look.
This natural height difference adds depth and visual interest to your flower bed without any extra work.
How to Plant Peonies and Lilies Together the Right Way
Planting peonies and lilies together isn’t complicated, but getting the spacing and depth right is crucial for long-term success.
Here’s a step-by-step approach that will keep both plants healthy and blooming for years.
1. Choose the Right Spot
Pick a location that gets full sun and has good air circulation.
Avoid areas near large trees or shrubs that might compete for water and nutrients.
When you plant peonies and lilies together, good airflow helps prevent fungal diseases like botrytis, which can affect peonies especially.
2. Prepare the Soil Well
Dig the bed to about 12 to 18 inches deep and mix in plenty of organic matter.
This loosens the soil and improves drainage, which both plants appreciate.
If you plant peonies and lilies together in well-prepared soil, you’ll rarely need to fertilize heavily later.
A balanced, slow-release fertilizer at planting time is plenty to get them started.
3. Mind the Planting Depths
Peony roots should be planted just one to two inches below the soil surface, with the eyes (buds) facing upward.
Lily bulbs, on the other hand, need to be planted about three times as deep as their height, usually four to six inches down.
When you plant peonies and lilies together, make sure the peony roots are shallow so they get the cold winter chill they need to bloom.
Lilies can go deeper, and since you’re planting them at different depths, they won’t get in each other’s way.
4. Space Them Generously
Give each peony at least two to three feet of space, and place lilies about eight to twelve inches apart.
If you plant peonies and lilies together too closely, the peony foliage can shade the lily stems and reduce blooming.
A good rule of thumb is to keep the peony clumps centered and surround them with lilies a foot or more away.
Companion Planting Benefits of Peonies and Lilies Together
Beyond just looking pretty, there are practical reasons to plant peonies and lilies together in the same bed.
Let’s look at a few of the hidden perks that make this pairing a smart choice.
1. Natural Pest Deterrent
Peonies are known to be quite resilient and even help deter certain pests like nematodes and some beetles.
When you plant peonies and lilies together, the peonies act as a protective neighbor for your lilies.
Lilies, especially Asiatic and Oriental types, can attract lily beetles, but the dense peony foliage may confuse or repel them.
It’s not a guaranteed fix, but it does reduce the risk in many gardens.
2. Support Structure for Tall Varieties
Tall lily stems can sometimes flop over in heavy rain or strong wind.
Peony bushes, with their sturdy, bushy growth, can offer a little natural support if planted close enough.
Not every lily needs it, but shorter varieties can lean against the peony foliage.
This is just another reason you can plant peonies and lilies together without extra staking work.
3. Root Depth Keeps Them Out of Each Other’s Way
As we mentioned, peony roots stay shallow while lily bulbs go deep.
This avoids direct competition for water and nutrients.
When you plant peonies and lilies together, they effectively use different soil layers, so both can thrive.
You’ll also have an easier time dividing and transplanting each one without damaging the other.
Common Mistakes to Avoid When You Plant Peonies and Lilies Together
Even though this is a friendly pairing, a few common errors can ruin the whole show.
Here’s what to watch out for so your garden stays stunning.
1. Planting Too Deep
Peonies are notorious for refusing to bloom if buried too deep.
If you plant peonies and lilies together and the peony eyes are more than two inches underground, you’ll get lush leaves but no flowers.
Double-check your depth every single time you plant a peony root.
2. Overwatering
Both plants dislike soggy feet, so overwatering is a quick way to rot the bulbs and tubers.
When you plant peonies and lilies together, water deeply but infrequently.
Let the top inch of soil dry out between waterings, especially once the plants are established.
3. Ignoring Bloom Time Gaps
While most peonies bloom before most lilies, the exact timing can vary by variety.
If you plant peonies and lilies together, choose early-blooming lilies to overlap with late-blooming peonies for a more continuous show.
Check the specific bloom window for your lily cultivar to avoid a big gap with no flowers.
So, Can You Plant Peonies and Lilies Together?
You can plant peonies and lilies together, and it’s one of the best combinations for a vibrant, low-maintenance garden.
They share the same sunlight and soil preferences, their root systems don’t clash, and their bloom times complement each other beautifully.
By giving them the right spacing and planting depth, you’ll enjoy layers of color from late spring through midsummer.
Whether you’re a seasoned gardener or just starting out, this pairing is forgiving and rewarding.
So go ahead and plant peonies and lilies together in your flower bed, and watch them create a picture-perfect display year after year.
Happy gardening.