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Yes, you can hedge lavender, and with a little know-how, you can keep your lavender plants healthy, shapely, and blooming beautifully.
But I will say, the answer to “can you hedge lavender” is a bit more nuanced than just picking up your shears and going to town on the plant.
Hedging lavender isn’t the same as trimming a boxwood or a privet hedge, so it’s worth understanding what you’re doing before you make that first cut.
So, if you’ve ever stood in your garden with pruning shears, staring at a leggy lavender bush and wondering just how much you can cut back, this post is for you.
Lavender hedging is entirely possible, but it requires a gentle hand and the right timing to avoid ruining your plants.
In this article, we are going to dig into the details of whether you can hedge lavender, how to hedge lavender properly, and the mistakes you absolutely need to avoid.
Why You Can Hedge Lavender (And Why You Should)
You can hedge lavender, and many gardeners do exactly that to create those stunning, fragrant, silver-green borders you see in Mediterranean gardens.
When you hedge lavender, you are effectively shaping the plant into a neat, mounded form that can act as a low border or a lovely accent along a pathway.
The whole point of hedging lavender is to encourage dense, bushy growth from the base rather than letting it become woody and sparse.
Because yes, you can hedge lavender, but if you leave it alone, it will often grow into an open, leggy mess with bare stems at the bottom.
When you maintain a lavender hedge, you’re also extending the life of the plant since regular, careful pruning promotes fresh new growth from the lower woody parts.
1. Hedging Lavender Keeps the Plant Compact and Tidy
The biggest reason you can hedge lavender successfully is that it responds incredibly well to a disciplined, twice-a-year trimming schedule.
When you hedge lavender in this structured way, it forces the plant to put out new shoots from the base of the stems.
This helps maintain that classic, neat dome shape that makes a lavender hedge so appealing.
Over time, hedging lavender in this fashion creates a dense mat of foliage that looks great even when the blooms have faded.
2. Hedging Lavender Prevents Woody, Straggly Growth
Another reason why you can hedge lavender into a long-lasting feature is that it stops the plant from putting all its energy into producing long, woody stems.
Lavender is a woody perennial, which means the older stems become brown, brittle, and bare if left to their own devices.
But you can hedge lavender back to that green, leafy growth each year to keep it youthful and strong.
If you’re serious about learning how to hedge lavender, the key is to never cut into the old, dead wood because that part of the plant won’t regenerate.
3. A Lavender Hedge Adds Structure and Scent to Your Garden
You can hedge lavender along a sunny border, and it will reward you with both a beautiful structure and an intoxicating fragrance.
When you hedge lavender into a neat row, you’re also creating a wonderful habitat for bees and other pollinators.
And honestly, few things in the garden smell better than a warm lavender hedge brushing against you as you walk by.
How To Hedge Lavender Without Killing It
Now that we’ve established that you can hedge lavender, let’s talk about how to do it in a way that keeps the plant thriving.
There is a massive difference between lightly hedging lavender and butchering it, so you have to learn the correct method right from the start.
When you hedge lavender correctly, you are always aiming to maintain a rounded shape, ensuring that all sides get good sunlight.
1. The First Trim: Springtime Shaping
One of the best times to hedge lavender for shape is in early spring, just as you see new green growth emerging at the base.
At this point, you need to cut back the previous year’s foliage, which means there is no reason to hedge lavender back into the woody stems just yet.
Take your shears and give the whole plant a good haircut, removing about a third of the top growth but leaving that fresh, new growth untouched.
If it’s your first time, remember that you can hedge lavender in the spring, but this is really just the foundation for the summer shape.
2. The Second Trim: Post-Bloom Maintenance
The second and perhaps most important time to hedge lavender for overall health is in mid to late summer, after the flowers have faded.
Once the blooms are spent, this is the perfect window in which you can hedge lavender quite a bit more firmly.
Cut the stems back by about two-thirds, shaping the plant into that neat, compact mound again.
The goal is to remove all the dead flower stalks while also encouraging a final flush of foliage before winter sets in.
3. Tools You Need to Hedge Lavender Like a Pro
If you’re wondering if you can hedge lavender with ordinary scissors, the answer is that you could, but you really shouldn’t.
A sharp pair of garden shears or hedge trimmers is the best choice for hedging lavender because they make clean, quick cuts.
Make sure your tools are clean and sharp, as any ragged cuts from blunt blades can invite disease into the stems.
Bypass pruners are handy for cutting a lavender hedge when you need to remove individual thick, woody stems that shears can’t get through.
Common Mistakes When You Hedge Lavender
Even though you can hedge lavender, there are a few common pitfalls that can turn your beautiful shrub into an unsightly, dead clump of twigs.
Avoiding these mistakes is the difference between a long-lived lavender hedge and a very expensive, fragrant compost addition.
1. Cutting Into Old Brown Wood
The single biggest mistake folks make when they try to hedge lavender is being too aggressive in their pruning.
You can hedge lavender, but you absolutely cannot cut into the old, bare brown wood at the center of the plant.
Once you cut below the green growth, those stems are gone forever, leaving permanent bald spots in your hedge.
If you want to know how to hedge lavender safely, just remember the green rule: always leave some soft, green growth on every stem.
2. Hedging Lavender at the Wrong Time
Timing is everything, and trying to hedge lavender too late in the fall is a recipe for disaster.
If you hedge lavender hard in late September or October, the new growth won’t have time to harden off before the frost arrives.
That tender new growth will then die back in winter and can take the whole plant down with it.
Always plan to finish your last real trim of a lavender hedge at least six weeks before the first expected frost in your region.
3. Assuming All Lavender Varieties Can Be Hedged the Same Way
You can hedge lavender, but different varieties have different natural shapes and growth rates that you need to respect.
For instance, English lavender is often hardier and more forgiving if you need to cut it back.
On the other hand, French and Spanish lavender don’t like hard pruning as much, so you’d only want to hedge lavender varieties like these very lightly.
If you’re not sure which type you have, don’t guess; a little research will save you from making an irreversible error.
Aftercare Tips Following Your Lavender Hedge Cut
Once you have finished hedging your lavender, don’t just put your shears away and forget about it because a little care afterward goes a long way.
The plant will need a bit of water to recover from its trim, though lavender famously hates having wet feet.
If you’re in a particularly dry spell, watering deeply but infrequently will help the plant push out that fresh new growth.
After you hedge lavender, it’s also the perfect time to remove any weeds around the base that might be stealing nutrients or blocking air circulation.
A light feed with a low-nitrogen fertilizer isn’t required, but if your lavender hedge is in poor soil, a bit of compost can be helpful.
However, do not be tempted to overfeed, as too much nutrition will actually produce soft, floppy growth that ruins the neat hedge shape you just created.
So, Can You Hedge Lavender Without Regret?
Yes, you can hedge lavender with total confidence, provided you do it correctly and at the right times of the year.
So if you have been asking yourself whether you can hedge lavender to maintain that beautiful border, the answer is a resounding yes.
You can hedge lavender to keep it compact, prevent woodiness, and encourage healthy, vibrant growth each and every season.
Just remember to only cut into the green growth, avoid trimming too late in the year, and choose the right method for your specific lavender species.
Follow these guidelines, and you can hedge lavender safely, transforming your garden into a fragrant, structured haven that will be the envy of your neighborhood.
Happy trimming, and enjoy the gorgeous result of your perfectly hedged lavender plants.