should i cut the thorns off a lemon tree

I am growing a grafted lemon and grafted key lime indoors that I recently purchased. I don't want to waste energy growing thorns if it takes away from health. Problems with Thorns Missouri Botanical Garden: Citrus X Meyeri. Do they take away from energy to plant growth? If the thorns are on the Meyer lemon portion of the tree and the tree is otherwise healthy, the best thing to do is ignore them and protect your hands with gloves when you harvest the lemons. The thorns on a lemon tree are developed at the nodes. If the thorns are on branches sprouting from below the grafting union -- which is usually a knob near the base of the tree -- the best thing to do is to prune them off. Why Does My Lemon Tree Have Lemons with Thick Skins & Very Little Juice? Can I spray my lemon tree with copper if it has fruit on it. What would cause my lemons to go mouldy on the tree? Houston Chronicle: Should My Lemon Tree Have Thorns? Otherwise, a gardener will have to deal with some problems eventually. True lemons have very sharp thorns, so some Meyer hybrids may end up with small thorns on a few of the branches. If you are willing to spray for the scale, you can cut the thorns. The tree won't care if you cut them. Hi Chizu, numerous citrus have thorns, this is very common and does not affect the fruiting ability of the plant. The best way to prevent these problems is to care for the tree properly. Consequences of Thorns Thorns on lemon trees can prick the fruit and introduce bacteria. They can also add thorns that should be cut off. Never prune more than one-third of the tree in a year. Those branches won't produce Meyer lemons and your tree is wasting energy growing them anyway. Meyer lemons are grafted onto either rough lemon or sweet orange rootstocks. In general, a Meyer lemon tree should not have large thorns, but there can be exceptions. I have some leaf drop but the lemon has new growth and the key lime is flowering. Cut these sprouts off with hand pruners at their junction with the branch. The wee finches that eat the scale that likes to infest lemons use the thorns as protection from squirrels and other predator/harassing birds. If the thorns are on the branches above the grafting union and other parts of the tree are also turning yellow, such as the veins or margins of the leaves, it could signify one of several health problems, such as a problem with the tree's roots due to overwatering practices or diseases in the soil. Whether your style is fiddle leaf figs, or maidenhair ferns, creating your very own indoor oasis is the perfect finishing touch to your living spaces. They also enjoy humid conditions and benefit from a daily mist, especially if they are cultivated indoors. Use a sharp pruning tool to cut them off where they meet the trunk of the tree, and dip the tool into bleach before each cut to prevent the possible spread of diseases. For first timers, those thorns may come as a surprise later. Still, Meyer lemons are usually "nearly thornless," according to Texas A&M University's Aggie Horticulture. Technically they are spines (modified branches) and not thorns, but the “when” of doing it doesn’t really matter. Should I trim off the thorns that are growing? © Copyright 2020 Hearst Communications, Inc. Purdue University Horticulture and Landscape Architecture: Lemon, Texas A& M University Aggie Horticulture: Home Fruit Production -- Lemons, Missouri Botanical Garden: Citrus Reticulata "Clementine". Both of these rootstocks have the potential to produce thorns, depending on the species. They can be cut off at any time of the year if need be. If your tree is looking poorly, try replanting it in a sunny location that has rich, well-drained soil or in a container with adequate drainage holes in the base. If you want to make lemonade when life hands you lemons -- but you live in a cold climate -- try growing a Meyer lemon tree ( Citrus x meyeri). It's difficult to say exactly why the thorns are turning yellow without knowing the general condition of the rest of the tree or the species of the rootstock. The Meyer lemon came from China -- it was brought to the United States by an agricultural explorer named Frank Meyer, but its exact origins are not known. They can be cut off at any time of the year if need be. Can I Graft an Orange Branch Into an Apple Tree? To begin, start with an angled cut 10-12 inches out from the branch union. Should I cut the branches? Finally, move a few inches up the length of the branch and cut from above, severing the branch. If the yellow thorns are on branches growing below the grafting union, it could be normal for that particular rootstock, especially as the tree matures. If so, when is good time? If only some of the branches of your Meyer lemon have thorns and those branches originate below the grafting union on the trunk, they are likely a result of the original plant and not the Meyer lemon at all. Meyer lemons grow best in full sunlight and when the soil is kept consistently moist but never soggy. In general, a Meyer lemon tree should not have large thorns, but there can be exceptions. Most believe it to be a hybrid tree -- a cross between a true lemon (Citrus limon) and the mandarin orange (Citrus reticulata), which are both also hardy in USDA zones 9 through 11. In a natural case, they come out with sprouts and fruiting wood. Cut a third of the way through the branch from the other side – an undercut. Hardy in U.S. Department of Agriculture plant hardiness zones 9 through 11, the Meyer lemon is the most cold tolerant of all the lemon types, according to the Missouri Botanical Garden. Hi Chizu, numerous citrus have thorns, this is very common and does not affect the fruiting ability of the plant. My lemon tree have some very thick thorns. What are the signs of overwatering or under watering my Meyer lemon tree?

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