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Yes, you can divide Spanish lavender, and doing so is a fantastic way to multiply your plants and keep them vigorous.
If you’ve been wondering whether you can divide Spanish lavender to fill out your garden beds, the answer is a confident yes, provided you approach the task with the right technique and timing.
Dividing Spanish lavender isn’t quite like splitting other perennials, but with a gentle hand and a few key tricks, you can successfully divide Spanish lavender and create healthy new plants.
In this post, we’ll explore how to divide Spanish lavender successfully, the best time to divide Spanish lavender, and what you need to know to give those new divisions the best chance to thrive.
Let’s dig into the details of how you can divide Spanish lavender and keep your garden blooming beautifully.
Why You Can Divide Spanish Lavender Successfully
You can divide Spanish lavender because, unlike some woody shrubs, it responds well to root division when the plant is still young and healthy.
The key reason you can divide Spanish lavender at all comes down to its growth habit, which forms dense, semi-woody clumps that can be separated into smaller sections.
While older lavender plants become too woody and stubborn to split, you can divide Spanish lavender every few years to manage its size and encourage fresh, productive growth.
1. Young Plants Divide Easier Than Old Ones
When you divide Spanish lavender, you’ll have the best luck with plants that are around three to four years old.
Younger plants still have plenty of soft, green growth near the base, which means their root systems are more flexible and forgiving.
Older lavender becomes a tangle of thick, woody stems that don’t regenerate well, so you can divide Spanish lavender most successfully before it reaches that woody stage.
This is why regular division every few years is such a smart practice for keeping your lavender collection healthy and youthful.
2. Root Structure Supports Division
Another reason you can divide Spanish lavender is that its root system is fibrous rather than a single deep taproot.
This fibrous network of roots spreads out horizontally, and these roots will happily form new plants when they are separated carefully with enough soil attached.
Because these roots are so adaptable, you can divide Spanish lavender and expect each piece to establish itself if you keep the roots moist during the process.
3. Division Rejuvenates the Parent Plant
You can divide Spanish lavender not just to get more plants but also to give the original plant a new lease on life.
Over time, lavender can become leggy and bare in the center, and that’s when you can divide Spanish lavender to remove the tired old growth and replant only the fresh, vigorous outer sections.
This process actually stimulates new shoots from the base, so dividing is a perfect way to keep your lavender looking full and lush rather than scraggly.
The Best Time To Divide Spanish Lavender
The best time to divide Spanish lavender is in the early spring, just as new green growth begins to emerge at the base.
You can divide Spanish lavender in early spring because the plant is entering its active growing phase, and those new roots will quickly establish themselves in cool, moist soil.
Alternatively, you can divide Spanish lavender in early autumn, giving the divisions time to root before winter frosts arrive.
1. Spring Division for Maximum Success
When you divide Spanish lavender in the spring, wait until you see fresh green leaves sprouting from the base of the plant.
This sign tells you the plant has survived the winter and is ready for a little stress.
Spring is the best time to divide Spanish lavender because the weather is typically mild, and there’s often more natural rainfall to help the new divisions settle in.
2. Avoid Dividing During Summer Heat
It’s not a good idea to divide Spanish lavender during the hot summer months, as the intense heat will dry out the delicate roots very quickly.
If you try to divide Spanish lavender in summer, you’ll find that the plants struggle to take up water, and they may wilt beyond recovery.
So as tempting as it might be to tackle this project during the growing season, you’ll have far better results by waiting for the cooler weather of spring or autumn.
How To Divide Spanish Lavender Step by Step
Now that you know you can divide Spanish lavender, let’s walk through the simple process of actually doing it.
The whole job is quite straightforward if you follow these practical steps, and you’ll be rewarded with several new lavender plants.
1. Prepare Your Tools and Site
To divide Spanish lavender, you’ll need a sharp spade, a garden fork, and some clean, sharp secateurs for trimming any damaged roots.
Before you start, thoroughly water the lavender plant a day before digging, as hydrated roots are more flexible and less likely to shatter when you divide Spanish lavender.
Also, prepare the new planting spots by loosening the soil and adding a bit of grit or sand to improve drainage, as lavender hates wet feet.
2. Lift the Entire Clump Gently
To divide Spanish lavender, dig around the entire plant at a distance of about six to eight inches from the stem base.
Insert your garden fork deep into the soil and gently lever the whole clump upward, trying to preserve as many roots as possible.
Once the clump is free, you can divide Spanish lavender by shaking off excess soil so you can see the natural crowns and where the plant separates.
3. Split Into Healthy Sections
Now you can divide Spanish lavender into manageable pieces, and the trick is to find sections that each have a good cluster of roots and some healthy green shoots.
Use your hands to gently tease the clump apart, or if the roots are tough, use your spade to cut cleanly through the root mass.
Remember, when you divide Spanish lavender, bigger sections will always establish faster than tiny, fragile ones, so aim for divisions that are at least a few inches across.
4. Replant and Water Well
Immediately replant each division at the same depth it was growing before, as lavender doesn’t like to be buried too deeply.
Firm the soil around each new plant, and you can divide Spanish lavender carelessly all you want, but the next step is crucial: water each division thoroughly.
Keep the soil consistently moist for the first few weeks, and don’t let the new divisions dry out entirely while they are building new roots.
So, Can You Divide Spanish Lavender?
You absolutely can divide Spanish lavender, and it’s a rewarding gardening task that gives you more plants for free.
You can divide Spanish lavender to rejuvenate an overgrown clump, to fill a larger border, or simply to share with friends who love fragrant herbs.
So long as you choose the right season, handle those roots gently, and keep the new divisions well-watered, you’ll be amazed at how quickly they establish.
Whether you divide Spanish lavender for the first time or the fifth, the process is simple, satisfying, and well worth the effort for any lavender lover.