For questions about citrus trees.

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6
votes
1answer
2k views

Why are these white dots appearing on my citrus and avocado trees and the leaves getting pale?

My Orange and small avocado trees are becomming yellowish and have many dots on them, is this a deficiency of something or something else? I checked the bottom of the leaves for any sort of plague ...
14
votes
1answer
4k views

What is my citrus deficiency, based on leaf appearance? And how to treat?

In the images of my citrus below, you can see the leaves are paling towards the edges. What is the deficiency and how can I fix it? The soil is clay-dominated with some sand and coloured red, ...
3
votes
1answer
129 views

Can you bring citrus trees into quarantined states?

According to the USDA here http://saveourcitrus.org/ and in particular this page http://saveourcitrus.org/index.php/grow-citrus-smart it states "If you are thinking about buying a citrus plant, be ...
15
votes
2answers
781 views

How should I prune lemon trees?

I have a lemon tree that is 8 years old. I didn't water it enough during its first years, and as a result it's only 2 meters (6 feet) high. How and when should I prune my lemon tree to stimulate its ...
3
votes
1answer
28 views

How do I know it's time to transfer my citrus (kumquat) to a bigger flowerpot?

I've sprouted kumquat from seed and planted it a small flowerpot. Now I have a stem and two pretty leaves. When do I transfer it to a bigger flowerpot? How big is big enough to have a flourishing ...
2
votes
1answer
216 views

Can I use an NPK compund fertilizer on herbs?

I have some "Low nutrient NPK compound fertilizer" which is sold as Citrus Food left over from a Calamondin tree which has sadly passed away. Can I use this fertilizer on my herbs? They are basil, ...
9
votes
2answers
2k views

Will my lime tree recover from cold shock?

This is my first attempt to grow something and it hasn't started off well. During the last winter, my Persian lime tree wasn't protected well enough from a cold front. All the leaves fell off, and the ...
8
votes
2answers
652 views

Can anyone identify this abnormality that is on my dwarf citrus?

I recently noticed what looks like small beetles on our dwarf citrus tree. Can anyone identify this abnormality? Click image for full size Is this something harmful that I should attempt to ...
7
votes
2answers
415 views

How do I care for grapefruit seedlings?

I got two tiny grapefruit seedlings for free and I don't know how to care for them. They are in very small pots and all the care they are getting is watering. They are 2" tall. I don't live in the ...
6
votes
1answer
1k views

what care should I give my lemon and orange tree after 8 months neglect?

In July I moved into a new house with an established lemon tree (about 4-5 m high) and orange tree (3-4 m high). Apart from collecting the last crop we have left them alone. The previous tenants grew ...