
The best method is to prune the galls off the the tree before the wasps hatch. You can tell because small holes appear in the swelling (gall) on the stem. Even if they have hatched you should still prune the old galls away.
How do I get rid of wasps on my lemon tree?
The best method is to prune the galls off the the tree before the wasps hatch. You can tell because small holes appear in the swelling (gall) on the stem. Even if they have hatched you should still prune the old galls away. The lemon tree will reshoot and new growth will be healthy.
How do I prevent gall wasps on my citrus tree?
A healthy well fertilised citrus tree in the right position is the first step to preventing gall wasp. It is also advisable to remove any fallen fruit and prune any branches that touch the ground.
How do you get rid of galls on apple trees?
Prune and remove as many galls as possible by June 30 each year. When pruning newly formed galls in April to June, dry them in the sun afterwards to kill the larvae before disposing of them in your green waste, compost or general rubbish. Treat affected branches before disposal.
How do you prune a lemon tree to make it thicker?
Cut off the tips of the main branches. This will force the branches to grow thicker and sturdier. Over the next several growing seasons, concentrate on the main branches that you have chosen, cut them back as needed, and allow secondary branches to grow out from them.

How do you cut out a gallbladder wasp?
1:305:14Take a potato peeler to your lemon tree and say goodbye to gall waspsYouTubeStart of suggested clipEnd of suggested clipJust shave it through like that and you can see there's deliverance what's a little blighters. ThereMoreJust shave it through like that and you can see there's deliverance what's a little blighters. There now have a look at this that's an old gall.
What time of year should lemon trees be pruned?
springIdeally prune lemon trees in late winter or early spring. 'The trick with all citrus trees is to avoid pruning or cutting back during the flowering and fruit producing season in summer when the tree is at its most virile,' says Gaumond.
How do you get rid of galls?
Prune and destroy gall-infested twigs and branches. Burn or step on the galls to kill the developing larvae. Place gall remains in a tightly sealed baggie or trash bag and discard immediately. Rake and destroy gall-infested fallen leaves.
How do you groom a lemon tree?
1:532:42Gardening Tips : How to Prune a Lemon Tree - YouTubeYouTubeStart of suggested clipEnd of suggested clipThat's going to survive no matter what so the best cut is that just barely at an angle. Maybe anMoreThat's going to survive no matter what so the best cut is that just barely at an angle. Maybe an inch or two from the main trunk.
Can I cut the top off my lemon tree?
It's perfectly fine to chop off one-third of the tree, but not any more than that. If you prune too much, you could overstimulate and stress the plant.
Is it OK to prune citrus trees in summer?
Citrus trees are best pruned just before bloom in early spring or just after fruit set in late spring. I would avoid pruning in late summer or early fall. Late pruning can encourage tender growth to appear, and this new growth is susceptible to frost damage since it has not hardened off.
Do galls damage trees?
In most cases, galls are unsightly but not damaging to the tree. Small plants may be stunted because the water and nutrient circulatory system of the plant may be damaged.
What do you do with tree galls?
Galls can have an ugly appearance. However, most do not seriously affect the health of a plant or tree. Heavy infestations may distort leaves or cause an early leaf drop. There is no need to remove the galls from a tree.
What do citrus gall wasps look like?
Description: Citrus Gall Wasp adults are shiny brown-black wasps about 2.5 mm long. Citrus Gall Wasp larvae are white legless grubs about 3 mm long. You won't see larvae unless you cut open a gall.
When should citrus trees be pruned?
The best time to prune is soon after harvest in winter to early spring before bud break. For late varieties where two crops may hang on the tree at once some of the new crop may be lost. The benefits of pruning can be reduced or delayed if trees are not pruned at the right time and in the correct way.
Should I prune my potted lemon tree?
Pruning isn't really needed but if you don't prune your lemon tree, it will quickly grow very large. In pots, it is best to control your tree's growth with very regular pruning. Shorten each new shoot back to more or less half its length, taking great care to cut just above a leaf.
How do you care for an outdoor lemon tree?
Lemon trees require well-drained, sandy soil of a pH between 6-7.5 to thrive. Poorly drained soil can cause damaging root disease and inhibit growth. If you have heavy soil you can improve it by mixing in a quality compost and gypsum. If your soil is acidic, add lime to achieve the preferred pH.
How do you encourage a lemon tree to fruit?
Fertilize a lemon tree in spring with an appropriate food, including the addition of phosphorus to encourage blooming and fruiting, and prune only where necessary. Fruits will set on the ends of branches, so it is best to remove only dead wood and problem branches.
What is the best fertilizer for lemon trees?
The best fertilizer for lemon trees is 6-6-6. You may use a stronger mix if needed, but it shouldn't exceed 8-8-8. The Down to Earth Citrus Mix Fertilizer is a good lemon tree fertilizer option. Citrus fertilizer will not be suitable for other trees such as apple trees or pear trees.
When should I fertilize my lemon tree?
The best time to fertilize lemon trees is once in January or February, another application in April or May, and the last application to be done in August or September. Make sure to follow the label directions to maximize the usage of the citrus fertilizer you will apply.
How do you prune an overgrown citrus tree?
Prune citrus to eliminate sprouts, remove weak, crossing or dead branches, or to allow more light in the canopy. February through April are the best months to prune. Remove all sprouts originating from the trunk. Most sprouts are best removed by hand when they are small.
How to get rid of gall wasps?
Consider solarising via bags or tarps to contain the wasps and encourage desiccation. Avoid heavily fertilising trees in winter or spring. Over-fertilising (particularly heavy nitrogen applications) can promote excessive amounts of spring growth that the gall wasp prefers. Work with your neighbours.
What does it mean when a gall wasp is on a tree?
Citrus gall wasp emergence holes. Galls located on older branches can indicate that there have been older infestations (previous year or earlier). The presence of holes within the gall indicates that adults have already emerged. Check for galls on established trees all year round.
What wasps are in WA?
Natural enemies. Megastigmus brevivalvus and M. trisulcus are two beneficial wasps present in WA. They lay their eggs directly into citrus gall wasp eggs, eventually killing the larvae. Unfortunately, they are not present in sufficient numbers to control citrus gall wasp.
How to report citrus gall wasps?
Use the MyPestGuide reporter app or web tool to report citrus gall wasp so we can keep track of its spread. Make sure you include a photo of the galls and your location (suburb) when making your report as this is important information for us to confirm the pest and track its spread.
Why do citrus trees have gall wasps?
The spread of citrus gall wasp into orchards and backyard citrus trees is usually the result of the introduction of infested citrus plants and the lack of monitoring of gall development in branches.
How to deter gall wasps from laying eggs?
NSW trials with calcined kaolin clay (Surround®) show promise to disrupt egg laying and reducing galls. Apply at least twice during spring when wasps emerge.
What insecticides are used to kill citrus gall wasps?
Confidor® Guard (Imidacloprid) and Samurai® (Clothiandin) are systemic soil-applied insecticides registered for the control of citrus gall wasp in commercial orchards. They are applied after flowering and control developing larvae before they form destructive galls.
What is lemon pruning?
Traditional lemon pruning results in a tree that is bigger at the bottom than the top. This allows for equal sunlight to all parts of the tree. ...
Why do you prune lemon trees?
Pruning lemon trees opens up the center of the tree, allowing easy access when spraying, and creates a large fruit-bearing surface area than can be reached by the sun and the harvester. Pruning also creates sturdy branches that are strong enough to support the fruit they produce.
What happens if you prune a tree in the winter?
Also, pruning can often stimulate new growth, so if you prune going into the winter, that new growth is likely to be damaged by a hard frost. Remove all fruit from the tree.
How big do lemon trees get?
Lemon trees come in all sizes. They range from the dwarf lemon tree, which can grow 2 to 8 feet (.61 to 2.44 m), to standard trees that can reach 15 feet (4.6 m) or higher. The Meyer lemon can be grown in a pot and still produce regular-sized lemons for its owner. Regardless of the size of your tree, you should learn how to prune a lemon tree ...
What are suckers on lemon trees?
Suckers are shoots from the rootstock that will reduce fruit yield and adversely affect the health of the lemon tree. They often surpass the height of the main plant in a couple of months if left unchecked, "sucking" the nutrients from the bearing part of the tree.
What to do with damaged branches?
Prune any branches that are damaged or diseased all the way back to the base.
How to train a tree to bear fruit?
If the tree has more branches on one side, remove some on the heavier side until the tree balances out. Remove the lower branches to give the tree a single, sturdy trunk. Choose 2 or 3 branches to be the main scaffold branches that you will train to bear the fruit.
How to prevent gall wasps from growing on citrus trees?
A healthy well fertilised citrus tree in the right position is the first step to preventing gall wasp. It is also advisable to remove any fallen fruit and prune any branches that touch the ground.
What is the second method of removing wasps from a tree?
The second method, which should be used as well as the pruning method is to use a gall wasp trap. This is a sticky strip that you hang in the tree, the gall wasps are attracted to it stick to it and die.
What is the natural predator of gall wasps?
Natural predators include the parasitic Megastigmus wasp, and they can be used as a control method. However they are not naturally found in the cooler areas where gall wasp is a major problem.
When to kill gall wasps?
The best time to attack the problem is from winter to spring. And the best way to control; gall wasp is by pruning the affected areas away and disposing them properly. The gall wasp lifecycle begins late in spring when the female wasps are active. They lay their eggs beneath the bark.
What causes swelling on citrus trees?
This is the swelling that occurs on the branches of citrus trees and it is caused a wasp native to NSW and Queensland. It has made its way south to Melbourne and affects all citrus including the native citrus. The best time to attack the problem is from winter to spring.
