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Splitting blueberry plants is the easiest way to multiply your berry harvest without spending a dime on new nursery stock.
If you’ve been wondering how to split blueberry plants, the good news is that mature bushes produce plenty of suckers and crown divisions you can separate into brand-new plants.
This means you can turn one healthy blueberry bush into several, all while keeping the exact same variety and flavor you already love.
In this post, we’ll walk through when to split blueberry plants, the tools you’ll need, and a simple step-by-step method for dividing them successfully.
Let’s dig in.
Why You Should Split Blueberry Plants
Splitting blueberry plants is worth doing for a few really good reasons.
1. It’s a Free Way to Propagate
When you split blueberry plants, you’re basically cloning your best bushes.
Each division carries the same genetics as the parent plant, so you know exactly what kind of berries you’ll get.
That beats buying new plants that may or may not perform the way you expect.
2. It Rejuvenates Older Bushes
Over time, blueberry plants get crowded and woody in the center.
When you divide blueberry plants that have become overgrown, you open up the root zone and encourage fresh, vigorous growth.
This can actually boost fruit production on the original bush too.
3. It Controls Size and Spread
Blueberry plants spread through underground runners and suckers.
If you don’t split blueberry plants every few years, they can take over your garden bed fast.
Dividing them keeps things tidy and gives you extra plants to share with friends.
When to Split Blueberry Plants
Timing matters a lot when you split blueberry plants.
1. Late Winter or Early Spring
The best window to split blueberry plants is while they’re still dormant.
Late winter, just before new growth starts, is ideal.
The plant isn’t actively pushing energy into leaves or fruit, so it handles the shock of division much better.
2. After the Harvest in Cool Climates
In cooler regions, you can also split blueberry plants in early fall once fruiting is done.
This gives roots time to settle in before the ground freezes.
Just avoid doing it during the hottest part of summer.
3. Avoid Mid-Summer Splitting
Trying to split blueberry plants in the middle of summer is risky.
Heat stress plus root disturbance can kill your divisions before they ever get established.
Stick with dormancy for the best results.
How to Split Blueberry Plants Step by Step
Here’s the simple process for how to split blueberry plants without killing them.
1. Water the Bush a Day Before
Give the plant a good, deep soak the day before you plan to split blueberry plants.
Moist soil holds together better and keeps roots from drying out during the process.
2. Dig Around the Drip Line
Use a sharp spade to dig a wide circle around the bush, starting at the drip line.
Work your way inward and lift the whole root ball out of the ground.
3. Rinse and Inspect the Roots
Gently hose off the soil so you can actually see what you’re working with.
Look for natural divisions, suckers with their own roots, and the main crown.
4. Separate the Sections
Now it’s time to truly split blueberry plants apart.
Use a clean, sharp knife, pruning saw, or even two garden forks back to back to pry the crown into sections.
Each division needs roots and at least two or three healthy stems.
5. Replant Immediately
Plant each division at the same depth it was growing before.
Blueberry plants love acidic soil, so backfill with a mix of peat moss and native soil.
Water thoroughly to settle the roots.
6. Mulch and Water Regularly
Add a layer of pine bark or pine needles around each new plant.
Keep the soil consistently moist for the first few months after you split blueberry plants.
Tips for Success When You Divide Blueberry Plants
A few extra pointers make the whole process smoother.
1. Keep Divisions Small but Viable
Don’t get greedy and try to split blueberry plants into tiny pieces.
Smaller divisions take longer to establish and may not survive.
2. Choose the Healthiest Sections
Pick divisions with thick, healthy roots and green stems.
Discard any mushy or diseased-looking sections right away.
3. Shade New Plants Initially
New divisions appreciate partial shade for the first couple of weeks.
Once they show new growth, you can move them into full sun.
So, How Do You Split Blueberry Plants?
Splitting blueberry plants comes down to digging up a dormant bush, separating the crown into rooted sections, and replanting each one in acidic soil.
It’s a straightforward job that rewards you with free plants and a healthier original bush.
Just remember to split blueberry plants in late winter or early spring, keep each division sizable, and water them well while they settle in.
Do that, and you’ll have more blueberry plants than you know what to do with in no time.