Tag for questions asking how to look after trees.

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2
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2answers
776 views

When to repot a young juniper bonsai?

I live in an area of the United State where it's never really safe to say that winter is over. Just when you think it's spring, it can be blizzarding and below zero. Anyway, should I wait until it's ...
2
votes
1answer
50 views

How should I transfer swamp oak seedlings from pot to ground?

I have an interesting project going on. I was visiting the 911 Memorial site in NYC last fall. There are many swamp oaks planted on the grounds, and in the footprint of where the twin towers stood. ...
7
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 ...
3
votes
1answer
520 views

Schefflera Arboricola (Umbrella Tree) in bad shape :(

I've had it for 7 years and in the last 2-3 months it has been losing all of its leaves. In an attempt to save what is left of it, I transplanted it today into a larger pot with fresh organic soil. i ...
6
votes
1answer
960 views

Pruning a mimosa

I have a mimosa and I have to prune it. I'd like to be less invasive and do this "operation" in the best way. Which is the best weather to prune mimosa? Which is the best time to do it?
4
votes
1answer
572 views

Is my tree bleeding to death?

Our builder planted this tree, and I have no idea what kind it is. The bark seems to split and a lot of sap runs out of the tree. Since I don't know what kind of tree this is, I haven't been able to ...
3
votes
4answers
188 views

During a heat wave, is it good to use an atomizer during daylight to spread water on the leaves of my Acer Palmatum?

I couldn't resist, I offered myself an Acer Palmatum one week ago. And now we face one of the hottest heat wave nowadays in Europe. I noticed some leaves are already dry, some of them are burnt. I ...
19
votes
7answers
35k views

Why do people paint some tree trunks white at the bottom?

I've seen trees with the lower trunks painted white in a number of places around the world but have never found a definite answer to why this is done. Some suggestions that I've heard are to make them ...
3
votes
1answer
352 views

oak tree white fuzz

Any idea what this is on my oak tree?? We are in the middle of a drought in central illinois and I've been seeing this on the back of my leaves.
5
votes
1answer
338 views

Is there a way to encourage needle re-growth in fir trees?

My wife bought a potted "Christmas Tree" last year in the week running up to Christmas. It wasn't in the best of shape when we got it and about a week after being inside the house, it shed the ...
5
votes
2answers
2k 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 ...
5
votes
2answers
5k views

Are my autumn blaze maple trees dying?

We live in Oklahoma and planted some autumn blaze maple trees last fall. They seemed to come out of dormancy fine and the leaves were nice and green. We planted them in an area that stays pretty ...
2
votes
1answer
340 views

Chinaberry stump

I had a 30 ft chinaberry removed that the previous owner left for me, four months ago. It had multiple split trunks at the bottom that made every arborist that looked at it concerned, and it was ...
8
votes
2answers
220 views

What to do when an animal dies inside a hollow tree?

We have a beautiful Shag Bark Hickory next to the house with a large hole about 18' up. A family of raccoons moved in a few weeks ago and had a litter. Recently we've seen a lot of domestic ...
4
votes
2answers
236 views

How do I stop palm trees from sprouting from the side?

My 6-7 year-old outdoor date palm trees are growing side-sprouts, resulting in multiple trunks. How do I prevent this from happening?
4
votes
1answer
182 views

What are some recommendations for a potted orange tree?

My wife and I would like to have a potted orange tree. We live in the San Diego area so the climate for citrus trees is near perfect, but we don't know what kind of tree we should buy. Also, how large ...
1
vote
1answer
217 views

How can I make my seedling jacaranda recover

I've grown a jacaranda tree from seed a few months ago. It was developing ok until a few days ago when I found it in a really bad condition. I guess it was the cold weather (I'm in South America and ...
7
votes
3answers
18k views

How should I prune weeping willow?

I prune a lot of of neighborhood trees, but I've come to a small problem. Some people like their weeping willows high enough that they can walk underneath without brushing it. I had been doing this by ...
5
votes
2answers
967 views

Can I put a compost pile under a tree?

The most convenient spot for my new compost pile happens to be under a young apple tree. I would put it there, but I have a few questions first. Will I be able to make successful compost in heavy ...
6
votes
1answer
3k 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". ...
5
votes
1answer
143 views

Are lichens healthy for trees?

I've always thought lichens were neutral to tree health, and I think they are attractive, but someone recently told me to get rid of them, because they will cause rot and harbor disease. Do they ...
13
votes
4answers
7k 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 ...
8
votes
1answer
1k views

How can I determine which trees are unsafe in strong winds?

We had some fairly extreme weather in the UK, enough wind to blow over a tree. Luckily nobody was hurt as the trunk rested larger branches, narrowly missing the neighbours fence. The trunk and ...
8
votes
1answer
516 views

Should my spruce tree roots be covered?

This Norway spruce's roots have always been on top of the ground. The soil it is growing on is very hard white dry soil with a layer of decayed needles on top. It has been growing fine so far, but ...
4
votes
1answer
828 views

What is the best way to keep a tree growing straight?

When most trees get over ten feet tall, they seem to be trying to grow every way but up. Staking would be impractical because of scale, and pruning often helps but does not force the tree to grow up. ...
3
votes
1answer
403 views

How do I get rid of tar spots appearing on my maple's leaves?

Preliminary reading suggests that the only way is to rake up the fallen leaves and get rid of them. Will this do the trick? Is there a way I could keep the leaves for compost without propagating the ...
13
votes
1answer
3k views

How do I care for potted apple seedlings over the winter?

On a whim, this spring, I planted several apple seeds in a large pot just to see if they would grow. Two seedlings have come up and are very healthy looking, despite being munched by deer, and the ...
5
votes
1answer
497 views

Can I get rid of sap stains on my mulberry tree?

My mulberry tree was leaking sap earlier and it left ugly black stains down the trunk. The tree has deeply furrowed bark. Can I remove this?
7
votes
2answers
437 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 ...
10
votes
3answers
430 views

What is a general rule of thumb for when to prune plants and trees?

It seems like every plant that I come across has a different (and seemingly random) best time to prune. Is there some sort of generally rule that I could apply to any plant and have a pretty good idea ...
6
votes
1answer
1k views

How do I care for a young fig tree?

I received a foot long rooted cutting of a fig tree that is hardy in zones 7-11. I have it in a clay base soil in the ground. It currently has two small leaves. I am completely ignorant of how to care ...
8
votes
3answers
4k 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 ...
6
votes
2answers
4k 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 ...
4
votes
1answer
102 views

How can I limit my Norway Spruce to one top (trunk)?

I have a Norway spruce that is about sixty feet tall and is beginning a second trunk. I like them to have only one top, but this particular tree is not climbable. How do I control this?
11
votes
3answers
2k views

Will my avocado tree produce fruits in my non-tropical climate region?

I have successfully germinated an avocado seed and am now willing to bring it outside and plant it in the soil. I live on the coast in Northern Portugal, so we never get negative temperatures. ...
7
votes
1answer
117 views

What to call this latex material used to tie trees?

I got some special hollow (rope/wire/string/tube - I don't know how to call it) - it is green and made of latex about 4 or 5 mm in diameter and used to tie young trees to prevent wind damage. Can ...
3
votes
2answers
1k views

Why does my English walnut lose its leaves early?

I have an English walnut sapling that grows vigorously all summer, but at the beginning of Fall the leaves dry up and fall. It has been two years now. Is that a problem with the tree?
13
votes
3answers
2k views

Will a cedar tree grow new limbs?

I've got a cedar tree that divided into two smaller trees, and the previous owners tried to keep the twin trunks together by tying a rope around them. The rope eventually strangled one of the trunks, ...
9
votes
1answer
119 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
4answers
20k views

How do I encourage my plum tree to produce fruit?

I have a victoria plum which I planted almost 3 years ago and hasn't produced any fruit. Last year (1st summer) it produced a small amount of blossom. This year it produced a lot of blossom but no ...
16
votes
3answers
2k 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, ...
8
votes
1answer
5k views

Why are my honey-locust tree leaves turning yellow in mid-summer?

As hot as it's been I've been worried that the tree was not getting enough water, and it seems with increasing the water amount the leaves have turned even more yellow. How can I tell if I am over- ...
12
votes
4answers
28k 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 ...
8
votes
2answers
854 views

How do I prune a cork-screw willow?

I would like to have a small "cork-screw' willow in my front yard. I don't want it as a bush, but with a strong middle trunk. It currently is about 1.5 feet tall. It has three fairly equally tall ...
11
votes
3answers
4k views

Can I move a self-seeded oak tree into a pot to keep it small?

An oak has self seeded in our garden. Has got to about a metre tall and seems happy. We don't have anywhere near enough space for an oak but seems a shame to kill it. Can we move it to a pot to keep ...
10
votes
1answer
130 views

How to “correct” uneven trunk widths in a cherry tree?

I have a cherry tree that is about 2 years old. Strangely, the width of its trunk above the grafting joint is much thicker than that of the rootstock (mazzard) below and I have not seen such a ...
7
votes
1answer
1k views

How should young honey locust trees be pruned?

I have four young (2-3 yrs) Honey Locust trees which seem to be doing very well this year. By that, I mean they've shown lots of growth and the leaves are very green and healthy. The trunks of these ...
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, ...
9
votes
2answers
756 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) ...
10
votes
1answer
2k views

Is there a traditional method/style for pruning a Chocolate Silk tree?

I have a containerized Chocolate Silk (a.k.a. Summer Chocolate) tree that is two years old (i.e. it was planted in its present container from a branchless and rootless stalk two years ago). It has ...