Why Are My Meyer Lemons Leaves Drooping And Curling Upwards? And Why Are Some Of The Leaves Discoloured/falling Off?

Question

-The weather in Toronto has been very hot recently, (35°-40°) so I’ve been keeping it outside everyday for 6-7 hours in direct sun. I bring it inside during the night or in the evening when the sun is gone. – One day, I randomly noticed 2 tiny black spiders on the leaves which I had never seen before. I instantly removed them. Then, today, again, I saw another spider. I was left a little confused as to how they got onto my tree. –  Water is given every 2 days or when the soil is dry. Leaves are also misted often. – A couple weeks ago, I added some citrus fertilizer spike to give it nutrients. – Lemon tree is fairly young and is potted. -some of the older leaves are becoming discolored (light green) and some are breaking off.

• 
• 
• 
• 

Answer 1

Since it only gets 8 hours of sun per day, I would be willing to bet that some of the older leaves are falling off to conserve energy. This can happen when the tree is at its lower limit of light. Likely, it will not cause an issue. Some leaf drop is normal. Just be sure that you keep the soil moist down past 10 cm. Let it dry pretty well above that point. This balance can be tricky, but can be perfected with practice.

Be sure to follow all instructions on the fertilizer package to avoid overfeeding.

Here is an article that will help you to care for the tree:

https://www.gardeningknowhow.com/edible/fruits/lemons/growing-lemon-trees-containers.htm