I have a lemon tree that I purchased from a nursery. It bore fruit the first year; however, it hasn't since. Do the trees have large thorns? Do I need another tree to have fruit? I am growing it in a large pot outside on patio and cover during winter months. Thanks.
Certified GKH Gardening Expert
Unbeknownst to many, all citrus produce thorns, so this is normal. This does not affect their fruit production. You do not need another tree to get lemons either. However, since you are growing yours in a pot, you may find this article helpful: https://www.gardeningknowhow.com/edible/fruits/lemons/growing-lemon-trees-containers.htm It could be that your tree is simply in need of some fertilizer. These articles have information on how to fertilize your trees: https://www.gardeningknowhow.com/edible/fruits/citrus/fertilizing-citrus-trees-best-practices-for-citrus-fertilizing.htm, https://www.gardeningknowhow.com/edible/fruits/lemons/learn-about-fertilizer-for-a-lemon-tree.htm I would also try giving it some phosphorus rich fertilizer, like bone meal. If it is lacking phosphorus, it will not be able to produce blossoms (which means no fruit). If you have not read it yet, this article may also be helpful: https://www.gardeningknowhow.com/edible/fruits/lemons/lemon-tree-not-fruiting.htm