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

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5
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2answers
26 views

How do we revive Spruce trees that lost 50% of their needles after a flood?

We live in southern Alberta, south of Lethbridge. We have a 5 acre farmyard that had multiple gorgeous Blue Spruce trees that were well maintained for 20 years. The trees were thick, lush, and ...
6
votes
0answers
38 views
+50

Growth rate of a Pecan tree?

We bought a pecan tree that is basically a 2' tall stick right now. It was planted in an opening with other trees and should get about 75% of available daylight. How many years would you think it ...
11
votes
4answers
702 views

Any way to save a large tree that's starting to split/crack down the middle?

I have a large tree in my front yard and last fall I noticed a crack down the middle. Six months later, it appears the crack is getting larger (see pictures below). Is there any way to save the tree, ...
6
votes
3answers
68 views

Any ideas on what is wrong with this tree?

I have a tree in my back yard that the bark seems to be coming off of. There are leaves growing, but seem thinner than past springs. Last year, I added a tree ring with landscaping blocks and mulch... ...
12
votes
2answers
324 views

What is this Vine-type plant growing on my Jacaranda tree?

I have a vine-type plant that is growing on areas of my Jacaranda tree (me + the tree live in Australia). It has little leaves. The roots of the vine grow on the outer-layer of bark on the tree. Does ...
3
votes
2answers
47 views

How much space between trees?

Is there a recommended spacing when planting new trees so they do not interfere with each other's growth? I want to group a number of the same tree species together as densely as possible while still ...
4
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1answer
37 views

What kind of tree is this with reddish leaves?

This is a young tree that was planted a couple years ago. Is it possible to id from these pics?
27
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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 ...
4
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2answers
52 views

What is this tree?

What is this tree? Located in Northeast Ohio...
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2answers
85 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 ...
6
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2answers
431 views

Is it possible for an almond tree to grow in a tropical country?

I have been searching in Google, but I got neither information or reference regarding this issue. I'm wondering is it possible for an almond tree to grow in a tropical country such as Indonesia? If ...
4
votes
1answer
27 views

Leaves on my Cherry Blossom Tree are Wilting

While I was in Japan a few weeks ago I picked up a small cherry blossom sapling to bring home (I believe it's a Yoshino cherry blossom). My girlfriend's grandfather who we were staying with on his ...
4
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2answers
71 views

What do nurseries feed their potted trees to make them so healthy?

The potted trees in nurseries always look perfectly healthy. What do nurseries generally give their trees to keep them that way? Let's narrow down the question and focus on plum trees as an example as ...
7
votes
1answer
56 views

What is a good distance to grow coconut tree from house and compound wall?

I am planning to plant the following trees in my new home (yet to build). I think I will not get much space between house foundation and compound wall. What is the recommended space to grow the ...
3
votes
1answer
28 views

zanthoxylum piperitum 5 years old bonsai watering and care?

I already read this great answer about water a bonsai, which was very helpful, but I'm very confused and I would love some help, as my previous bonsai died drowned and I don't want that to happen ...
14
votes
3answers
3k 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, ...
7
votes
1answer
51 views

How to plant herbaceous perennials under an existing tree without harming it

I've seen beautiful plantations of herbaceous perennials plants under mature deciduous trees and I would like to plant something similar. My concern is for the tree itself (an Autumn Blaze maple in ...
8
votes
2answers
51 views

What trees would be good along a boundary wall and avenue in India?

I am from the eastern part of India i.e. Ranchi (Jharkhand ). Can anyone recommend some trees I can plant along the boundary wall of a school campus? They should provide good shade, temperature ...
6
votes
1answer
90 views

What is this tall tree with narrow leaves and sweet red fruit?

This 7 m (23 ft) tall tree has been growing over my deck for some time, and I've ignored it until I saw a Tui eating its fruit the other day. I'm in Wellington NZ. My landscape designer didn't know ...
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0answers
46 views

best time for propagation

My name is Nawaz Khan from Pakistan, Abbottabad. Kindly, tell me that what is the best time for propagation of Oranges trees citrus trees, orange sucker, and roses???
3
votes
1answer
45 views

How to stop trunk from crumbling

I've asked this question already here: http://diy.stackexchange.com/questions/88497/dead-tree-how-to-stop-rotting But realise now it should have been asked here. I have a very large eucalyptus ...
13
votes
1answer
29k 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 ...
3
votes
1answer
46 views

Can I re-grow roots from a piece of a trunk cut from my green ash tree?

I have a 3 ft stump of a green ash tree that I pulled out of the ground. I cut 3 root stubs with a chain saw. It's coming from a triple trunk that was rotting out. Is there any way I can regrow the ...
11
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1answer
126 views

Please help me identify this tree with irregular leaves

I found this tree growing on a farm on the outskirts of Johannesburg, South Africa. p.s. The pink fabric is not part of the tree :p
5
votes
1answer
47 views

Tree roots in storm drain

A 12" square catch basin collects water from my driveway and transports it under the lawn to adjacent stream about 150 ft away via 4" corrugated buried pipe. They used corrugated covered w/stone (vs ...
6
votes
3answers
574 views

We have large roots from a huge old Silver Maple that are partly above ground and interfere with mowing. Can I shave them?

We have large roots from a huge Silver Maple that are partially above ground and interfere with mowing. Can I shave them so the mower can pass over them?
8
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2answers
443 views

Tilling soil around a tree for a raised bed. How much is safe for tree?

The trees are Northern Arizona cedar trees about 1'-3' in diameter at trunk base, have a canopy of 15'-25' in diameter and I wanted to to put in trunk-surrounding raised beds that are 5' in diameter, ...
4
votes
1answer
39 views

Help identify my bonsai tree

I've been given a bonsai tree by a friend who knew I was interested in learning about them. Unfortunately all it said on the pack was 'bonsai tree'. I've done a little research looking for the name ...
9
votes
1answer
557 views

What are these tall, tree-like shrubs and how often should I water them?

My wife and I just bought a property and I don't know anything about plants or trees. Can someone tell me what the large trees/bushes/plants are and also how often do I need to water them?
11
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1answer
398 views

Why does my lemon tree have multi-colored leaves and strange-looking fruit?

The leaves on my lemon tree are yellow and white, and the fruit doesn't look normal.
5
votes
1answer
21 views

Camellia losing its leaves

I had two camellias planted in November (spring) by my landscaper, from the same nursery. They've been fertilised the same at planting and watered the same, and are only 3 feet away. One is losing ...
6
votes
1answer
25 views

Do plum trees fruit if an offspring of another one?

Can plum trees bare fruit if they arise from the rootstock of another plum tree?
9
votes
2answers
65 views

Does my Sago Palm have root rot?

My Sago Palm (Cycas Revoluta) has weird-looking clumps in its roots. Is it a Phytophthora root rot infection? If not, what is it?
7
votes
1answer
50 views

Should I prune the lower buds of my bare-root tree that's waking up?

I planted a bare-root Gala apple tree last year, and it's waking up now and budding all over. However, a good number of the buds are close to the ground, and they're coming out along the entire length ...
7
votes
2answers
373 views

What is this thorny tree with small, oval leaves, and seed pods?

I found this tree growing on a farm on the outskirts of Johannesburg, South Africa. It has really nasty thorns sticking out all over. Click on pictures for larger view.
12
votes
5answers
9k 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 ...
7
votes
1answer
75 views

Unknown flowering tree, what is it?

What kind of tree is this? Blooming now in central Missouri, USA. Some trees look like this(more bush-like), while others look more tree-like.
5
votes
1answer
128 views

What is this small tree found growing from a wall?

I've found this plant growing in a crack in the wall. I then put it in a pot and is growing fast. Can anyone help me identify it, I live in Buenos Aires, Argentina. This is how it looks now ...
10
votes
0answers
69 views

What is this cone-shaped evergreen tree?

This tree is growing in a garden in Johannesburg, South Africa. I'm pretty sure it's evergreen. I'm not sure whether or not it is indigenous to this area. Click on pictures for full size.
5
votes
1answer
128 views

How much should I water an avocado plant guided by a moisture meter?

I have a moisture meter that registers readings from 0.0 to 9.9 (driest to wettest). I cannot find a listing for a potted avocado tree. Can you give me info as to what percentage is optimal for the ...
5
votes
1answer
514 views

What is this white fuzz on my oak tree?

Do you have 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.
6
votes
4answers
349 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 ...
8
votes
3answers
307 views

How should I save an oak tree wounded by ground root removal?

I had somebody remove some oak tree roots from the ground one month ago. Now a couple of branches look dried. Others have no new leaves growing and the old leaves are dropping. This is in Houston, ...
5
votes
1answer
59 views

Why does the tree trunk grow in diameter?

Why does the tree trunk grow in diameter even though you cut the roots and tips of branches?
7
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3answers
554 views

Is this an Oak Tree?

I've got this tree down in my back yard and I cannot figure out what type it is. The bark looks like Oak but the leaves I'm not sure about. There have been no nuts/acorns drop from it that have been ...
5
votes
2answers
436 views

What is 'Apical Dominance'?

When pruning trees, most notably conifers, you must be aware of a phenomenon known as 'apical dominance', when choosing your pruning technique, and selecting shoots for the permanent structure. What ...
7
votes
4answers
9k 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 ...
8
votes
3answers
92 views

Can I keep my Japanese Larch small by pruning?

I have a 4 year old Japanese Larch and would like to prune the leader as it grew very quickly last year and has very few branches compared to the bottom half of the tree which is nice and bushy. I ...
9
votes
1answer
77 views

Can I save an Aloe barberae tree with a split in the trunk?

Today I purchased an Aloe barberae tree from the nursery. During the time it was delivered to my home it split itself on the trunk where it has two branches. The split is approximately 120 mm (just ...
9
votes
1answer
154 views

What is this tree with round yellow fragrant smelling buds?

I saw this flowering tree on the Greek Island of Aegina which was very fragrant, with round yellow buds. Picture was taken in February.