Questions tagged [tree-care]

Tag for questions asking how to look after trees.

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18
votes
2answers
2k views

How and when to plant young grafted fruit tree?

Our backyard is in a Mediterranean climate (Adelaide plains, South Australia) and we've been gifted a young grafted apple tree which has its root ball still wrapped in plastic. It's about 1.3m (4ft) ...
16
votes
4answers
17k views

How should a lemon tree with yellowing leaves, peeling bark, and small fruit be saved?

Our lovely lemon tree is in trouble... We live in Northern California. Starting mid-last summer our tree began yellowing. We've called an arborist out to the house but the advice has been pretty ...
15
votes
2answers
7k views

Should trees be staked when they are planted?

Horticultural practices do change and research can be a driving force. It wasn't too long ago that standard practice to stake a new tree was a six foot T bar and and a strand of wire. Should all ...
9
votes
4answers
2k views

Are my Emerald Arborvitaes recoverable?

I bought 31 thujas a couple of months ago and some of them are really struggling. I installed a drip line a week ago, but am wondering if these trees are completely dead. Here are a bunch of ...
25
votes
4answers
6k views

Is staking young trees helpful or harmful?

I frequently see small trees staked with some support twine or rope, presumably to aid against strong winds. However, I've heard or read somewhere that staking small trees can actually be harmful, ...
14
votes
3answers
16k views

How should I prune this overgrown pear tree?

I have a pear tree, which is very zealous. Whatever it decides to do, it does in excess. First in the spring it sends out all sorts of new branches--all of them vertical. I snipped them off after they ...
21
votes
3answers
2k views

Does fruit on fruit trees need to be thinned?

Do fruits need to be thinned on the tree? For example, I have a young Pomelo tree that's producing fruit for the first time. In order to get bigger, nicer fruit, should I be thinning the fruit? How is ...
10
votes
2answers
2k views

What is a sucker and how does it differ from a water sprout or branch?

In a post about renovating mature pear trees there is a diagram (below) showing tree nomenclature as it pertains to pruning. In it, the letter "A" indicates suckers, and "E" marks shaded interior ...
7
votes
2answers
11k views

Bay Leaf Tree (Laurus Nobilis) with severe scale

I'm new to gardening as I have just bought my first house. I inherited a very large (about 6m tall) Bay tree that is severely sick. I took a sample to my local garden center and I was told that it ...
11
votes
1answer
7k views

Are tar based products really useful in treating tree wounds?

There are a lot of articles on the web ranked highly in searches that advocate the use of tar/tar based products to seal tree wounds such as pruning cuts. For example — "Homemade tree wounds". However,...
4
votes
1answer
2k views

What is wrong with my lemon tree? [duplicate]

Below is a picture of my lemon tree, which now have some sticky web infection. See left corner on the first picture. On the second picture is a close up of something that is being spread from the ...
15
votes
3answers
2k 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 ...
9
votes
4answers
1k views

Dwarf Apple tree in heavy clay

Today I planted an apple tree grown on dwarfing rootstock (M27). The soil at my allotment is very heavy yellow clay. But it's on a decent slope. I dug a hole the depth of the container in which it ...
8
votes
3answers
4k views

Does moss harm the tree it grows on?

I have seen some trees with a thick layer of moss growing on their branches, does this harm the tree? Should this layer of moss be removed or can it safely be left on the tree?
19
votes
1answer
12k 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, ...
16
votes
5answers
110k views

How far (on average) do tree roots extend out from the base of the tree?

I a looking to plot out my new garden site for next year and am wondering how far I need to be away from some nearby trees. The trees are a few different types (apple, oak, pine etc.) and anywhere ...
11
votes
5answers
101k views

Why is my new Acer tree dying?

I recently bought a small red Acer and moved it into a more permanent pot. It's about 2 1/2 feet tall and since I've moved it, the leaves have started to brown and shrivel like a dead leaf would in ...
9
votes
2answers
6k views

What is happening to the leaves of my avocado?

I have an avocado plant in my outdoors balcony. It's been growing nicely, but there are small brown dots/holes in the leaves for some time now. I don't see anything in the underside of the leaves, and ...
16
votes
3answers
3k views

Is this heavy blue-green growth on my tree trunk and branches a form of lichen?

I have a tree with a fairly heavy growth across its trunk and branches; I suspect that it's a form of lichen but I'm not sure. Is this something that will negatively affect the growth or health of ...
8
votes
2answers
15k views

How do I keep oak trees from sprouting?

I have a lot of nice sized oak trees. I have pin, black, and chestnut. Every once in a while one of them puts out sprouts all over the trunk and starts looking like a green pillar. How do I keep that ...
32
votes
3answers
4k views

How can I revive a tree that's been stripped of bark?

I've got what I think is a cedar tree in my backyard that is missing most of its bark on one side from the ground to about 4' up. (Thanks to my puppy who is a shredding machine.) The branches next to ...
15
votes
1answer
423 views

How are Japanese Maple Trees cultivated?

I have mature Japanese maple trees in my yard that are extremely fertile. I find dozens, if not hundreds of saplings all over the yard. Some have even grown several feet tall. Is there a way I can ...
12
votes
1answer
297 views

How should I choose which trees to cull?

I harvest firewood from a small woodlot behind my house. I almost exclusively cut "culls" -- dead, dying, or diseased trees that aren't going to yield much additional wood in the future anyway. My ...
11
votes
1answer
909 views

How should I care for a young cherry tree?

We recently had a cherry tree planted in our garden. I don't know the age of the plant nor the exact species but it's currently below 2m (6 ft) tall, including the branches, with a thin trunk. There ...
9
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 ...
8
votes
2answers
4k views

What is this white foam under my tree?

South Florida. Photo of tree that I can't identify. It's been raining heavily for twelve hours and this white foam has appeared on the trunk, possibly due to water dripping. What is this foam? I'...
8
votes
3answers
15k views

How to care for a large redwood?

I just bought a home in the CA bay area. My front yard is dominated by a large redwood tree that seems in good health. I really love the way it looks. By large I mean 5-6 stories in height, planted ...
7
votes
4answers
77k views

How do I make Emerald Green Arborvitae grow as fast as biologically possible?

I'm buying a bunch of these babies below to create a privacy screen in my backyard. I'm getting young ones and want them to grow as fast as I can make them grow. Is there anything I can do to make ...
6
votes
1answer
917 views

Mushrooms on crab apple tree trunk

Should I do something about these? Does it signify something bad?
6
votes
3answers
2k 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 ...
6
votes
1answer
91 views

Identify plant, and what to do with rocks

Can anyone identify this little tree/shrub/indoor plant? I got it from a neighbor who had it on her porch, among others, and it appears pretty healthy. It's in a 3" plastic pot, that rests in a faux ...
6
votes
3answers
240 views

How do I know if an ash tree can be treated for emerald ash borer or needs to be removed?

I have 16 Emerald ash trees that have been hit with the emerald ash borer. While I have seen the ash borer's bore holes and the epicormic sprouting of branches in random places, I question whether or ...
3
votes
0answers
644 views

How to protect outdoor potted trees in storm?

I'm growing a bunch of trees in pots and have been keeping them in the yard. A storm with high winds is expected (~20mph) and as I bring some items indoors (e.g. a flag, light pots hanging from a ...
2
votes
1answer
131 views

What is this little, spiky tree?

A friend of mine is moving out and he left me his little tree. Nevertheless, I do not know what kind of tree it is, and I'd like to know so I can google some tips of how to take care of it.
2
votes
2answers
5k views

Can a big compost pile around its base kill my tree?

Will I kill a big birch tree if I put all my grass clippings around the base? The clippings (from 2 acres of grass) are now 2 feet deep around the tree. I have been told it will heat up and cause the ...