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How to prune lavender like a pro

How to care for your lavender plant. - by Rhys McKay
  • 26 Nov 2020
How to prune lavender like a pro

Lavender is a must-have plant in many Australian gardens - and for good reason. Not only does it look great when in flower, but lavender can fill the air with a wonderfully calming scent that carries in the breeze. Learning how to prune lavender correctly will keep its growth under control, and ensure that the plant stays healthy and productive for many years to come.

Cut lavender flowers can also be used for more than just fresh flower arrangements. When dried, for example, lavender can be used to make everything from fragrant wardrobe sachets to homemade bath bombs and can even added to a refreshing cocktail as a pretty finishing touch.

How to trim your lavender bush

Why should you prune lavender?

We know lavender for its soothing scent, health benefits, and anti-inflammatory properties. Growing lavendar is relatively easy and maintenance is a breeze! As long as you keep up with chopping them twice a year, you’ll get long-lasting results with minimal effort.

Pruning trains your plant to withstand more stress and directs nutrients into growing new stems instead of repairing old ones. Not to mention, they keep your bushes looking neat and nicely shaped! But before you make the cut, it’s important to determine which type of lavender you’ll be working with.

Types of lavender

There are many species of lavender, but we’ll be covering two of the most popular varieties grown in Australia. While they may have different blooming times, the techniques for pruning them are the same.

How to prune English lavender

This ‘true lavender’ is the most versatile of them all, able to live for up to 25 years or more if maintained properly. They do very well outdoors and have long, slender blooms that occur late spring to early summer. Light pruning is best after the first harvest, followed by a heavier one during summer or fall.

They are more forgiving when you miss a pruning session and make for great hedges in the yard or garden. This variety is best for essential oils, tea, or potpourri.

English lavender flower growing outdoors

English lavender.

Getty

How to prune French lavender

French or Spanish lavender blooms mid-spring with the lifespan of three to five years. They have shorter flowers with delicate petals that resemble butterflies. These bloom in summer or fall and regenerate faster than their English counterparts, which means you need to prune them lightly but more frequently.

Although they don’t do well in cold temperatures, they make for perfect decorative plants! You can move them indoors during winter so they don’t wither.

French lavender flowers growing outdoors

French lavender.

Getty

When is the best time to prune lavender?

For most lavender varieties, pruning is best done during spring, summer, or fall after harvest. It’s important to prune a few months before winter sets in to prevent frost and breakage from the snow. Regular pruning twice a year gives your plant time regenerate fresh flowers and stay in good shape for the next season.

  • For young plants, allow it to establish roots first, then prune away the new growth during its first year to increase its volume. We discourage young plants from blooming until they reach their second year, making pruning much easier as they get older.
  • For middle-aged plants, some heavy pruning is necessary, and you can remove up to one-third  of the length. This is also the best time to shape them for increased airflow and even spacing between blossoms.
  • For mature plants - Don’t hold back! If you started pruning them early on, they’re ready for a more drastic chop. Heavier pruning wakes up dormant older stems to make them bloom and flower once again.

Gardening tools you'll need to prune lavender

Before getting started, you need some tools to get the job done. Sharpening your shears and trimmers will give your plants a clean cut to help them heal faster. To avoid contamination and disease, make sure your tools are clean and sanitised properly in a diluted bleach solution:

  • Gardening gloves for sanitation and protection
  • Pruning shears for small, singular plants
  • Hedge trimmer for bigger, outdoor bushes and hedges

How to prune lavender

If you want to fill your home or garden with beautiful, fragrant blooms, pruning is the best way to achieve that goal. Now it’s time to level up your lavender plant care with these five simple steps!

1. How to deadhead lavender

Do some spring cleaning by removing any dead or damaged bits and blooms from the shrub. You can do this during the summer, but you can also do so as many times as needed throughout the year.

2. Pruning

Take a bunch of shoots in your hands, then cut back at least two-thirds of the length with a good pair of pruning shears. Cut a few nodes above the woody base of the bush, but never prune too close to the bottom because they may not grow back.

3. Shaping

We recommend shaping your lavender into a mounded bun or gumdrop shape, then stop when it looks symmetrical all around. You’ll notice an even amount of shoots next season, and they’ll look more enchanting than ever!

4. Positioning

Lavenders love the sun! So make sure you place them somewhere with lots of sunshine. However, if you’re dealing with English or Spanish lavender, you need to take some precautions for colder climates. You can protect them from frost by moving them to a greenhouse or in your home during winter.

5. Cutting

Did you know that you can actually clone your plants? Take cuttings from your pruned plants and use them to propagate more lavender! You can place them in a small pot, then start transplanting them to a soil bed when they get bigger.

There’s nothing lovelier than lavender

Lavender is one of nature’s most vibrant creations and having an abundance of them will add some much-needed colour to your life! Now that we’ve covered the basics, it’s time to put our trimming tips to good use. Just remember to keep your lavenders looking lovely so they can give you lush blooms for many years to come!

You might also like:

A beginner's guide to pruning your garden

Gardening tools that will keep your garden looking fresh

Everything you need to know about using secateurs

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