For questions about citrus trees.

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8
votes
1answer
4k 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 ...
4
votes
1answer
374 views

What is this black spotted disease on my orange tree?

Is this mushroom or animal? I can remove the black dots by slightly scratching the leaves.
1
vote
1answer
189 views

Why did my lime tree stop growing?

I have a lime tree inside behind the window in a pot. It's got a couple of fruits on it and it seemed to happily grow new foliage up until about 1 month (or so) ago. I also stopped watering it a few ...
9
votes
2answers
1k 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 treat?...
15
votes
1answer
8k 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, ...
8
votes
2answers
715 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 ...
3
votes
1answer
171 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 ...
6
votes
1answer
2k views

Why have my lemon seedlings stopped growing and turned yellow?

I planted some lemon pips in November last year, and they grew to about 4cm tall, and it seems as if they aren't growing anymore. They have been the same size since December, and they have now turned ...
3
votes
1answer
196 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 tree?...
2
votes
1answer
302 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, ...
12
votes
2answers
3k 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
1answer
2k 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 ...
7
votes
3answers
80 views

Why is my Orange tree not bearing fruit

I have an orange tree for about 4 years. It bears flowers but they fall off. I have seen only 2 fruits from this tree. What may I be doing wrong. See pictures. Some leaves have holes. Not sure if ...
6
votes
6answers
8k views

What to do about grubs in vegetable garden and potted tree?

This Spring there seem to be grubs all over my garden, in just about any handful of dirt you flip over. There are lots of articles about how to handle grubs in your lawn, but I don't have a lawn, just ...
5
votes
3answers
113 views

Can citrus tree health affect the seed count in the fruit?

I have a Clementine Orange which used to produce pleasant fruit that was lightly seeded. In the last few years, the number of seeds in each orange has increased dramatically. The tree has fallen to ...
5
votes
1answer
266 views

Is my dwarf orange tree too young to bear fruit?

I planted a dwarf orange this winter. It came from the nursery with oranges already on it. They are still green, and one split through the skin so I cut it off. Should I leave the rest on? Or ...
5
votes
2answers
137 views

Does my very young Eureka lemon tree have leaf disease?

I have had a small sprout of lemon tree (Eureka lemon, if I trust the label) for a few months, and for the past two it has been looking weak and sick. In particular, it's not making new leaves (...
5
votes
1answer
232 views

Can I graft an orange tree to a hardier northern root stock?

I know you can graft like trees to like trees, but my question is: Can I graft an orange tree to a northern hardy root stock like a peach tree, and have it still grow and maybe produce an orange or ...
4
votes
1answer
989 views

Orange tree has pest or blight [duplicate]

A few leaves on my orange tree have this. What is this? What can I do about it?
0
votes
0answers
20 views

Small brown scales on my lemon tree [duplicate]

My small lemon tree has been showing these scabs for a while. They are brown, mm sized, and fall off very easily just touching them with a finger or a nail. Examining the soil with a lens I also noted ...