· Some of the most common citrustrees that sport thorns are Meyer lemon, most grapefruits, and key limes. Thornsoncitrustrees develop at the nodes, often sprouting on new grafts and fruiting wood. Some citrustrees with thorns outgrow them as the tree matures. · Common citrus trees with thorns include lemon trees, limes, some orange trees, pomelo, tangelo, and grapefruit. The thorns are not poisonous and should not be removed except if they impede the harvesting of fruits. The thorns protect the plant from herbivores and store water for use during drought. However, cutting thorns off citrustrees offers no real benefits and may actually damage the tree. Thorns serve as a natural protection for the lemon tree, deterring pests and providing structural support. Removing all thorns may compromise the tree’s ability to defend itself and remain stable. · Just as starfish, thorny dragon lizards, and hedgehogs are covered in spikes and quills to deter predators, citrustrees grow thorns to protect their fruit and leaves from the mouths of browsing herbivores. Thorns also retain water to some degree. · Discover how to identify citrustrees with thorns and master pruning techniques. Boost your woodworking skills with our top 5 expert tips! · While many citrustrees grow thorns at some point during their lifecycle, pruning them away will not damage the tree. · Thorns are common and normal on citrus, but be careful because they can poke you badly if you don’t see them. Some citrustrees with thorns outgrow them as the tree matures.
