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

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7
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1answer
1k views

Raised bed around tree. Do I need to protect the trunk?

I wanted to put in some raised beds that are about 1' deep above ground, and that wrap circularly around a Northern Arizona cedar tree. Do I need to plastic or a rock/cage around the tree trunk to ...
3
votes
3answers
101 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's a bunch of pics: ...
14
votes
5answers
378 views

How can I naturally encourage birds into my garden?

We love having our garden filled with birds, thus we have put up a variety of bird feeders. We also make lots of water available for the birds. The result is a 2½ year old that can identify about ...
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 ...
5
votes
2answers
708 views

What time of year to mulch/feed trees?

This answer recommends putting down a layer of compost mulch in the fall in order to slowly feed the tree. (In addition to the unmentioned weed control and moisture regulation.) It makes sense to me ...
4
votes
1answer
258 views

Cedar Hedge drying from the inside

We planted a cedar hedge this spring (4 months or so ago). The trees were fine this summer, some of them had one or two dried branches; nothing out of ordinary. At the end of the summer, some trees ...
12
votes
2answers
2k views

How should I prune an overgrown peach tree?

I have just moved into a home with a peach tree that appears healthy, but overgrown; it has clearly not been pruned in many years (although I have cut out some of the branches that made it impossible ...
11
votes
2answers
1k views

Will it kill my potted tree if I use tree fertilizer spikes?

I recently bought some tree fertilizer spikes to feed my potted dwarf kumquat and lime trees. After I got them home, I read the following warning on the side of the box: NOTE: Never apply within 30" ...
6
votes
2answers
155 views

How do I kill this salt cedar?

The front yard of my New Mexico (USDA zone 7a) house has a salt cedar (Tamarix ramosissima), which is growing like a huge bush. Its salt uptake appears to be preventing anything else in the vicinity ...
4
votes
4answers
3k views

Is my tree too close to my house?

I have an ornamental cherry tree approximately 30 ft tall, which is now close enough to my house that I could touch it from my window. I would like to keep it , but am concerned it will damage my ...
2
votes
1answer
55 views

How to heal this needled plant?

This little guy is suffering and I'm not sure how to help him out. Any ideas?
12
votes
4answers
25k 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 ...
19
votes
5answers
3k views

What is a fast-growing deciduous tree for shading house in summer? (Long Island, NY)

My town recently took down a large 80 year old maple tree that sat on the south side of my house. Unfortunately that tree provided much-needed shade and now I have already noticed very high ...
15
votes
2answers
31k views

Can I cut off exposed tree roots without harming the tree?

Large trees often have roots protruding out of the ground around the base of the trunk (such as the ones that can push up sidewalks next to the tree). When is it safe to cut those roots (that might be ...
11
votes
2answers
261 views

Hexagonal bush?

I have seen the pictured bush today when hiking around Las Palmas de Gran Canaria. From a distance, hexagonal patterns are visible: Adjacent branches grow in an almost perfect 45° angle relative to ...
6
votes
2answers
3k 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
129 views

Which end is up when planting a mango seed?

I have a seed that has already germinated. I've had it in water for a day and it has already grown some in the water. One end has a slight purple color to it, the other one is long and white. Which ...
4
votes
2answers
1k views

How do I control fire ants in the mulch around my tree?

I live in Houston, TX, USA and fire ants are a nearly year long concern. I have had success treating mounds with Orthene as they appear. However, I had a Siberian Elm in my backyard that was ...
10
votes
1answer
17k views

What is the average lifespan of most maple trees?

In general how long do maple trees live? Does the lifespan vary a lot according to species? I'm thinking of planting a few in my yard and I'm wondering how long they will be around.
10
votes
1answer
233 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 ...
9
votes
1answer
403 views

What causes spruce branches to drop their needles?

I have a spruce tree that has a problem. Every year, some branches suddenly drop all of their green needles and die. I would like to prevent this, but I don't know what the cause is. What causes this ...
9
votes
1answer
112 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 ...
7
votes
1answer
1k views

How do you tell if a tree is male or female?

I was reading through some of the questions on fruit trees, because I've been thinking about getting some blueberry bushes and cherry trees, and I see a lot of people mentioning that the trees don't ...
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
3answers
205 views

What are the green shoots coming out from under my tree?

I just moved into my first house, :) and I have two big bushy trees in the front yard. (I'm unsure of the identification for them. Anyone know?) At one time it looks like they were lanscaped, but ...
5
votes
1answer
837 views

What are the odds of getting a shea tree to grow in South Carolina, USA?

What are the odds of getting a Shea Tree to grow in South Carolina, USA? Temperatures here in SC range from mid 30s (occasionally around 40) Centigrade in the summer to -10 at the coldest days of the ...
3
votes
1answer
171 views

Are these baobab or acacia trees?

I have some questions about some trees present in my study areas. I think there must be acacias trees and baobabs, but it's hard for me to distinguish them. Maybe there are also some additional trees ...
2
votes
1answer
1k views

Do fir trees cause foundation problems?

We have a fir tree planted at the front corner of our house. We recently had foundation problems due to that side of the house sinking. We live in north Texas. The company that fixed our foundation ...