For questions about trees: selection, planting, care, diagnosis, pruning, etc.

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30 views

What is this tree from Thailand with medicinal properties?

Please help me identify a tree located near Si Sa Ket Thailand. The bark is used as a medicine. Used by local traditional healers. Unfortunately they do not know the name of the tree. Many things are ...
5
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1answer
20k views

how far will pine tree roots spread?

I have a very tall pine tree in front of my house. I am about to start work digging up my downstairs floor and re-doing it. I'm just wandering if before I start I should look further into the roots of ...
3
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1answer
25 views

What trees, shrubs or vines are most suited for pleaching?

The exact application would be to arch over a long dining table in a courtyard in eastern-most New York. The two rows of trees would need to span approximately 25' at a height of less than 15' or ...
4
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1answer
334 views

What is this small tree with partially serrated leaves and blue fruit?

What it this small tree? It is growing in the woods so I can't get a wide shot. It grows about 15' tall and wide, with wide, arching branches. The leaves all have round shiny indented bumps scattered ...
4
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1answer
83 views

What kind of tree is this?

I obtained this small tree from a friend. It has spiky, shiny leaves, soft to the touch, and delicate stems. New leaves are lime green, gradually darkening as they grow larger. Older leaves are broad ...
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1answer
65 views

Garden tree seems “sick”

I have multiple of these trees and one of them seems "sick" - it barely has any leaves and there is some discoloration on it. Is there anything I can do to treat it or do I basically have to rip it ...
2
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1answer
54 views

How to save tree harmed by urine?

Is it possible to save trees that are harmed by dog urine? I have some young trees which died some time ago, and at first I didn’t understand why that happened. But it happened very suddenly. The ...
3
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2answers
61 views

dying leaves on Japanese maple: water damage, drought, or disease?

we had this Japanese maple placed last year by our landscaper, and it did well. this year it seemed to be doing well, but we just noticed these scattered branches with a bunch of curled leaves, and ...
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0answers
52 views

What tree do these little white flowers grow on?

My first guess was apricot, but google showed that that's wrong. Sorry for the somewhat tangential question. Thanks in advance.
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1answer
31 views

Advice on growing clematis armandii

I've just recently endeavoured into the world of gardening, and one of my first adventures is to successfully get my newly purchased clematis armandii to wrap around my Pergola. Now i'm planting the ...
2
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2answers
48 views

How to encourage weeping cherry to grow larger

I purchased my Mother two 'Weeping Cherry' trees this year. I've planted them out and they've actually shown a large amount of new growth. I've had new whips growing 2'+ off of them. The plants are ...
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1answer
26 views

Staking a Weeping Willow

My mother has always wanted a weeping willow and we have a nice spot that won't hold water, but the majority of run-off water from the yard flows past it. So I bought her one and planted it. I babied ...
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3answers
1k 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 ...
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2answers
35 views

Given a diameter and species, how do I estimate a tree's size and age?

I'm looking for a resource to help estimate the height and age of a tree from its diameter (75+ inch circumference). My property has mature Red Pines and I'd like to estimate their ages and heights. I ...
5
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1answer
857 views

Why does my tree have splitting bark, dripping sap, and dead branches?

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 ...
2
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1answer
100 views

Is this an Ailanthus tree (“tree of heaven”)

Just found this small tree growing on the backside of the property and wanted to know if this can be positively identified. The base of the stems are a fairly bright red that fades to green. I ...
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1answer
38 views

Is the size of a conifer tree's root system proportional to the size of the tree

Is the size of a conifer tree's root system proportional to the size of the tree? By the same token will limiting tree size also have an effect on root system size?
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4answers
6k 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 ...
4
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0answers
87 views

What is this bush with five-petaled pink flowers?

My wife and I bought a house in the Palm Coast, Florida area. We have a plant growing by the house that the previous owner tried to kill, but could not. We think it is very pretty. We would like to ...
4
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2answers
82 views

How to keep pine trees small

This is a picture inside Montreal's botanical garden at the entrance of the Japanese garden. In this picture we can see 5 small pine like trees along with thyme and rocks. I would like to recreate ...
3
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1answer
31 views

What Would Be A Good Shade Tree for Oakville, Ontario, Canada?

Shade Tree questions I'm looking to get a new tree for our backyard to provide a bit more shade throughout the summer. I did some searches around and on this site, got some ideas, but would still ...
2
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2answers
32 views

Cacao tree: leaves falling off, some discolored

Note that I'm a complete novice when it comes to gardening and I am asking this question on behalf on my girlfriend. This is a cacao tree. Problem 1. Notice the following discoloration of the leaves: ...
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2answers
39 views

How to prune a Salix Integra recovering from scale infestation

I just wondered if you could point me in the right direction with regard to pruning my Salix Integra. Im just about to treat it for a scale infestation and could do with some tips. Here's a picture ...
4
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1answer
54 views

What methods can be used to apply an antifungal to the interior of a tree?

Diseases such as the Blue Stain Fungus infect trees from the inside out due to inoculation by host insects. Are there any effective/standard methods for applying antifungal compounds to infected ...
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2answers
57 views

Will a field system being dug near my Norway Spruce have any effect on it?

My neighbors are having a field system dug for their septic system. The digging is just beyond the edge of the drip line of my very tall, 60+ years old, Norway spruce. Will my tree suffer any ...
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3answers
203 views

What are some of the best fast-growing trees for both shade and fruit/nuts?

I want to grow a bunch of trees in my garden for shade. Which trees will grow fast and are also useful for fruits or nuts?. By the way, I am in South India - Chennai (Madras)
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1answer
57 views

Tree growing back after being removed

Our tree snapped into last spring and we had it removed and they ground it I believe with a machine. I saw what I thought was a weed growing in it's place two month's ago which was about 2 to 3 ...
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3answers
24k views

Can I grow a pistachio tree from seed?

I live in Las Vegas, Nevada. So I know I have the right soil and conditions to grow pistachio trees. But can I just plant a pistachio seed and grow a tree or do I have to go buy the tree?
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3answers
8k views

Can I grow a fruit bearing pistachio tree?

I live in Zone 7 in Northwest texas. It's pretty dry here and the soil is mostly hard clay. I'm very interested in growing fruit bearing pistachio trees, but haven't been able to find any local ...
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3answers
34 views

White spots growing on small tree in UK garden

I've just noticed these white growths on a tree in my garden (UK). Does anybody know what it is, what I should do about it? I believe the tree us a Salix Integra Thanks for your help EDIT: ...
2
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1answer
37 views

Why would one of my Prairiefire crabapple trees seem stunted this year?

I planted two Prairiefire Crabapple trees on my front lawn about ten years ago. Each spring, they flower beautifully together, then fruit, then leaves. This year one of them seemed to lag behind. ...
2
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2answers
32 views

My red leaf corkscrew hazel is going green?

I have a red corkscrew hazel: It's in a large pot, and I'm not in a position to plant it out (nor will I be any time soon). However I've noticed that some of the leaves are going green - a lot ...
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0answers
19 views

When should I harvest balsam for balsam bags?

I've found plenty of information about when to harvest balsam for making wreaths, but I really don't care about if the needles stay attached -- I'm actually interested in if there are specific times ...
2
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0answers
26 views

Will the roots of my Columnar Yew Tree damage a foundation that's only three feet away?

I have a columnar Yew which currently is about 18 - 20 feet tall with a spread of about 6 feet. What is the root system like for these trees and what effect will/can it have on the foundations of the ...
13
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4answers
42k 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
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6answers
6k views

How to deal with suckers on a Bradford Pear Tree?

I have two Bradford Pear Trees at the front of my yard. They were planted ~1997. (The HOA requires all lots in the development to have them.) Little sprouts that keep popping up from the ground ...
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, ...
8
votes
1answer
78 views

What to do with a this tree which has become too big for its current position?

I've got an tree (see this question for ID) which has been planted by the previous owner in a position where it now has outgrown. I would like to remove it from there and like know what are my ...
6
votes
2answers
3k views

Raising soil level around tree

As a side mini project from a bigger patio project, we moved some concrete blocks to create a well around a tree in the front of the house. A conversation over in DIY.SE chat this morning sparked ...
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2answers
56 views

What's wrong with my Austrian pine and how can I fix it?

Lack of water is not the problem. We've had a very wet spring here in Chicagoland. Is this due to an unfavorable soil pH or something like that? click on picture for full size
4
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1answer
53 views

What is this white stuff growing on this cacao tree's new leaves?

This cacao tree has been growing new leaves. White stuff started appearing on the new leaves today: I have absolutely no knowledge of gardening and am asking this on behalf of my girlfriend - ...
4
votes
2answers
117 views

How can I straighten this crooked tree?

The landscapers left us with this tree which is growing crooked. The trunk is still pretty supple and you can straighten it manually, but it returns to being bent as soon as you let go of it. I ...
2
votes
1answer
26 views

Can a black pine be dug in late May during candle growth?

We need to have 15 black pines in the 12 - 14' range dug for a client. The nursery says they'd like to wait 3 weeks or more until the candles harden off more. Due to construction and staging ...
3
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0answers
46 views

How should I care for a bonsai Bouganvillea?

I just received a bonsai tree as a gift for Mother's Day and it's losing its leaves. I found the insert information card which says the type of bonsai is "Bougainvillea" At first I had the bonsai ...
2
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1answer
42 views

What is a suitable age for Good Teak tree?

I was just thinking of growing 4-5 teak trees in my backyard garden as an investment. Does any one know whats a good age for a teak tree to be cut down to be sold ? I just figured since we have a ...
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0answers
12 views

irrigation setup for a newly planted 15 foot cherry tree and 15 foot river birch

I have a newly planted 15 foot cherry tree. I am setting up an irrigation system. How often and how much water should I give the tree? I also have a newly planted 15 foot river birch , same question.
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1answer
67 views

What do I need to do to turn a branch into a tree?

Long story short, I have obtained two branches from a small tree (might have been 8 feet tall, no thicker than that was stripped of its branches by the snow over the winter. I would like to regrow ...
2
votes
1answer
96 views

Corkscrew Willow Bark Peeling and Bugs

We have a Corkscrew Willow tree which currently has bark peeling off. We took the rest of the bark off to allow the tree to dry (to prevent moisture in the tree). I was wondering if we need to spray ...
7
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1answer
118 views

Is this a tiny Bloodgood maple sapling? How should I care for it?

While mowing the lawn yesterday, my husband stumbled across this tiny plant. It's barely two inches tall. Some people down the street have a beautiful large tree that looks like a Bloodgood maple, and ...
4
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2answers
89 views

What is this shrub/tree with small green drupes in southern Texas?

I'm hoping someone can help me identify this shrub/tree. We recently purchased this property and are still trying to figure some plants out. We live in deep south Texas, zone 8/9 but there are many ...