If your lavender … How often should I water my potted lavender? Preventing Woody Lavender. What happens if you don’t prune lavender? Read on to learn how to trim a lavender with woody stems. That encourages tender new growth which will be killed by winter cold, weakening the plant so it might not make it through another season. This same rule may be applied to dead wood or branches when pruning Lavender bushes. Basically, the time or season of the pruning depends on the climate you live in – If you live in a mild climate it is much easier to be successful than if you live in a very cold climate when freezing temperatures may damage recently pruned plant. Prevention is … In its second year, plants are much larger, already producing some flowers, but not a lot. Lavender pruning- When is the best time to prune lavender? On the below photo you can see my two years old lavender plants – they just started to get bit bushier. This way the plant will balance root and leaves growth which is very important in this stage. If it is several years old and has never been pruned, it may not survive heavy pruning. These are best pruned right after bloom in late spring. In its third year, lavender is considered to be a mature plant – large and rounded, producing a lot of flowers. Not pruning lets a plant get large and woody and forms nooks and crooks that trap water, thereby introducing several hazards: Update on my Lavandula dentata, cut back brutally to 15cm (6") last autumn (message 2 above).It has now regrown to more than 90cm (3') across and high and is flowering - not profusely, but better than I had hoped. These plants bloom well without spring pruning, but they'll respond well to pruning out dead, damaged or diseased wood. It didn’t damage anything. In this article, I will show you when and how to prune a lavender, how often to do it, and which tools to use for the best results. You just don’t want them pressing against the light. 01:42. You should cut an inch or two into the green leafy growth to give the plant a more compact shape and encourage dense growth. You prune English lavender by cutting it back by two thirds in the second half of August and you can cut into the bare wood, if needed. Cut it in a way that forms a rounded shape. When should I prune lavender? So pruning in year one and year two should not be the same and from year three onwards, you can prune in the same way. Just Don't prune them real late in the season because that's when you don't want to encourage new growth. From now on, in following years, prune the plants in the same way. However, lavender should not be pruned during the winter. If the lavender flowers were not removed after bloom you can cut them off now as long as there is no chance of rain for a few days. Removing any signs of the flower bud process will keep the plant in a vegetative cycle which encourages a larger, hardy strong lavender plant. Pruning lavender plants and bushes are essential at least once a year to make sure the plant is healthy and it lives longer. These plants also live shorter and often their branches get split and broken. While pruning lavender, if you cut into woody stems, they won’t grow again, but simply die. If lavender isn’t pruned regularly, it will become woody and produce fewer fragrant leaves and flowers. But Ronda is also right in saying that you can prune a little deeper to better shape them after the first bloom if necessary. It won't hurt them at all. If you don’t prune lavender regularly, the plants will get woody and will produce fewer flowers. Follow us. For this stage, choose harvesting time (mid-summer or early autumn) to prune 8 to 10 centimeters above the woody bits. Do not cut the inner, woody stems of the lavender plant. Join the RHS today and get 12 months for the price of 9. 3. If you check my aero garden post you can see what happens when you don’t prune the roots of mint and basil. You will soon be aware of why 'when to prune shrubs' is as important as 'how to prune shrubs'. 2. Whatever type of lavender you grow, don't prune it heavily late in the season. As with so many plants, the biggest risk in pruning lavender is being too nervous to try. After that, I just prune it a bit sometime in mid-October, just to make sure the bushes are kept nice and rounded. In this case, leave pruning for after the harvest which is usually in the summer. The Spanish variety is very drought tolerant and is a good plant for attracting beneficial insects to the landscape or garden. Another soft pruning time is in the early spring when I cut again just a bit – just a few centimeters. Don’t prune lavender until after the flowers are over. If your lavender bush is looking ragged, it may not have been pruned for a few years. Unpruned lavender plants have a short lifespan. If you have lavender plants that were not pruned back last fall, and if you are located in Western Washington, there is still time to prune your lavender back for the spring. Pruning time is important, timing is seasonal pruning as well as pruning that depend of how old is your plant. In this article, I will show you when and how to prune a lavender, how often to do it, and which tools to use for the best results. In its second year, some plants already blossom so they are ready for pruning. Early spring is good for a second pruning, which should be much softer than pruning in the harvest time. Be careful not to overdo it. Here is what happens to a subshrub if it is prematurely pruned in fall or winter. My lavender bushes are looking rather ragged. Gardening tools you'll need to prune lavender. That’s why it should be cut back just a bit – few centimeters, just to keep it nice, rounded, bushy, and compact. If you ignore pruning needs or don’t prune correctly it will probably cost you a pretty penny – in … If you can’t do it in early spring, just skip it, as doing it late in the spring may damage young flower buds that are forming at that time. Heavier pruning wakes up dormant older stems to make them bloom and flower once again. Pruning lavender with a hedge trimmer is also possible but be careful not to cut too much of the plant. This is the year when the full harvest is expected so just before the buds start to open, harvest your lavender and at the same time prune it too. If you forget, wait until spring, when foliage growth is just starting. If you prune right after bloom you may get a second bloom later in the season and the lavender should be pruned again after the second bloom. You can cut it back to the ground or, if you want slightly taller plants, cut it back to one to three feet. The only way to keep this from happening is annual pruning. Join now. This will help simulate more blooms this spring. Cutting too far back to bare woody stems or removing too much foliage stresses the plant and often kills it. When you are pruning lavender, it is best to do it regularly and spring is a great time to start. If you cut back too far, you can kill the plant. Pruning this way shapes the plant and encourages new growth where the blooms are produced. Don't prune these particular trees in the winter, Winter's coming, so get busy in your garden, Master Gardeners: Know when to pick persimmons, Your California Privacy Rights/Privacy Policy. Winter is not kind to lavender plants. New shoots and flower stalks will start to emerge and you will have a hard time avoiding them while you cut away the last summers growth. Plants respond well to pruning out dead, damaged or diseased wood. For a first-year plant, keep your pruning soft and avoid any drastic cuts. You should prune it back in late winter or early spring. You’ll know when that is as they’ll be more grey than blue, and you won’t see any bees or other pollinators buzzing around them. Another important thing to consider when deciding when to prune lavender is to know that lavender plants need three years to become mature. 1. Pruning is necessary for some shrubs - not because they actually need it, but more because we have either planted them in the wrong place, or they are simply not conforming to what we think they should look like. If you're using a harvesting knife, hook it around the bunched lavender and pull the knife toward you, cutting off the lavender stalks. The most common lavender varieties I see growing around Redding area are Spanish (lavandula stoechas) English (lavandula angustifolia) and some of the hybrid crosses (lavandula x intermedia). You may have convinced me not to prune my tall crepe myrtles. Hydrangea paniculata, sometimes called Hardy Hydrangea, also blooms on new wood. If you want to know what to do with woody lavender, understand that pruning woody lavender plants can often restore them to their former glory. The English and hybrid crosses should only be pruned back about one third in size and can either be pruned right after bloom or in the early fall. In the above photo, you can see my one-year-old lavender plant (grown from cuttings) that needs just a one-centimeter cut in the early spring. New shoots will quickly appear at the base of the bush and these will have enough time to grow and harden up before winter comes. Should I prune now so they will look good next year? We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Q. If you’re wondering how to prune lavender and when to prune lavender at the correct time, have no fear. Again, early spring, or right after flowering, is the best time for this. If you have a garden, it more than likely contains lavender! But if there is green growth just above the woody stems, start with light pruning to encourage lower growth, and then prune a little heavier each year. In areas with freezing winter temperatures, you should hold off doing any hard pruning to your lavender plants until you see new growth starting, in the spring. This is the time when you also start with drying lavender flowers and very soon after that with using and storing. Pruning lavender plants and bushes are essential at least once a year to make sure the plant is healthy and it lives longer. This may work better with some varieties than others, so you’ll just have to experiment. The danger is that if you cut too much, the new baby plant may not recover. Pruning lavender. The best time to trim the plant and cut back dead stems is in spring, after you see its first flush of new growth. Unlike many perennial plants and shrubs that can be pruned now, it is best to wait to prune lavender until after bloom in spring or in early fall before any danger of frost. If you want to keep your lavender flowers in a bundle, tie a rubber band around them before you cut them off. If you prune right after bloom you may get a second bloom later in the season and the lavender should be pruned again after the second bloom. Shape the plant into a slightly mounded cushion. For mature plants - Don’t hold back! If most of your lavender is gone woody, you should prune it again just up to the two sets of leaves above the woody part. It is a running joke* in the Olson family that every spring my mother, Susan the Purpled, is convinced that all of the lavender has died and our fields will need to be completely re-planted. If you’re new to harvesting lavender and wondering what you need to do, don’t worry cause we’ve got you covered. Learning how to prune lavender correctly keeps the plant healthy and ensures its continued growth for many years to come. Learn how to prune lavender, sage, thyme, geranium, wormwood, and other subshrubs to keep plants healthy, ... Don't cut plants like lavender to the ground, and don't touch them in fall or winter. How to prune and harvest lavender. The variety of lavender will determine how much you can prune off the lavender bush without damaging it. Just trim it back slightly to stop it from going woody and to encourage nice shape and lush branches. But if you don't mind losing this spring's blooms, go ahead and prune. The Shasta Master Gardeners Program can be reached by phone at 242-2219 or email mastergardener@shastacollege.edu. If you don’t prune lavender at least once a year (twice is recommended) you will get large woody stems as opposed to nice, lush green foliage. And my plants grew beyond the light too (mint is a total weed). Regular pruning is essential to keeping the bush looking healthy and vigorous, however, the amount and timing of the pruning is important. The flowers of the English and hybrid varieties can be used in cooking, flower arrangements and making many lavender scented products such as wands and sachets. This must-have plant not only looks great when it flowers but lavender also offers a calming scent that is said to help you get a good night’s sleep. That encourages tender new growth that'll be killed by winter cold, weakening the plant so it might not make it through another season. 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