Is it bad to leave ripe lemons on the tree?

It is generally not recommended to leave ripe lemons on the tree for an extended period. While lemons can stay on the tree longer than other citrus fruits like oranges, there are a few reasons why it's not ideal to leave them on for too long:

1. Loss of Quality: Over time, ripe lemons left on the tree can start to lose their flavor, aroma, and juiciness. The sugars in the lemons begin to break down, and the acids become more concentrated, resulting in a less desirable taste and texture.

2. Pest and Disease Attraction: Ripe lemons can attract pests, such as insects and birds, which may feed on the fruit or damage the tree. Additionally, leaving lemons on the tree for too long can increase the risk of disease infections spreading through the fruit and affecting the overall health of the tree.

3. Overripening: Lemons that are left on the tree past their prime can become overripe, which means they start to deteriorate and become soft, mushy, and even rotten. Overripe lemons may also develop a bitter taste.

4. Sunburn and Splitting: Extended exposure to sunlight can cause the skin of ripe lemons to become sunburned, resulting in blemishes and a tough, leathery texture. Additionally, overripe lemons can become more susceptible to splitting, which can provide entry points for pests and diseases.

5. Inhibition of New Fruit Growth: Leaving ripe lemons on the tree can inhibit the growth and development of new fruit. The tree may prioritize directing resources towards ripening the existing lemons rather than producing new blossoms and fruit.

Therefore, it's best to harvest lemons when they are fully ripe and use or store them promptly. Timely harvesting allows you to enjoy the best quality lemons and helps maintain the health and productivity of the tree.