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

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1answer
182 views

What is causing yellow spots with 'hair growth' on the underside of the leaves on my tree?

I've slowly been bringing this tree back from some devastating summers 5 years ago where several large branches died. I've been diligent about pruning and feeding. For lack of a better description, ...
4
votes
1answer
834 views

How do I get rid of root suckers in my yard from my neighbor's big tree?

My neighbor has a tall very leafy tree. The leaves are kind of heart-shaped, or larger at the top than at the bottom. They are arranged on the stem. I am finding little mini trees growing all over ...
4
votes
1answer
128 views

Is inosculating trees for shape practical for the home garden?

I've recently discovered a very cool method of tree training in which saplings are trained to a rigid form, and fused (inosculated) at certain points, to become a desired shape. If I follow the basic ...
4
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2answers
62 views

What's the most hardy red fleshed apple for the Pacific Northwest?

I had two wonderful red fleshed apples in Birch Bay, Washington. We've moved to St. Helens, Oregon and I can't find any here. I'd love to replace them. Does anyone know where I might find these and ...
4
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2answers
9k views

How can I get lemon trees to bear fruit?

I have a couple of lemon trees (small plants really) in my garden. But they seem to grow at an awfully slow pace.They are about 2 years old & about 3/4 ft in height. I have seen pictures of lemon ...
4
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1answer
738 views

Pine Borer Beetle Infestation

I cut down a tree that was infested with pine borer beetles. I don't want the beetles to infect other trees. Unfortunately, I can't burn the infested wood. And I don't have anywhere to haul the ...
4
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1answer
2k views

Help identifying South Florida tree with large pink flowers that appear annually for a short time in the fall

Any ideas of what it could be? Edit: Added a picture without its flowers. The new image gives some reference for how tall it is and how much space its canopy covers.
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2answers
116 views

Are some varieties of Paulownia sterile?

Is it true that some varieties of Paulownia are sterile? And if so, where are they sold?
4
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1answer
480 views

What is the root span of Dwarf Southern Magnolia 'Little Gem'?

I can't seem to find any consistent information on the root structure of these guys. We were given one as a housewarming gift and would like to get it into the ground as soon as possible, however I'm ...
4
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2answers
99 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 ...
4
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2answers
77 views

Questions About a Sycamore Maple

I just bought a house that has a Sycamore maple in the backyard. My questions are: What is the life span for this particular type of tree? when is a good time of year to trim the branches and a ...
4
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1answer
103 views

Is there a way to straighten an older tree that started crooked?

I have a pecan tree that is about 6 years old that is growing about 5 degrees off vertical. I've tried to stake it several times but to little effect. Currently I have a ratchet strap trying to pull ...
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2answers
112 views

Can I allow a pine tree to share root space with a group of birch trees? If not, which should I cut down?

I have a group of birch trees, with a pine growing in the midst of them, in my front yard. My friend is telling me the pine must be cut down to save the birches. I see her concern, however: I think ...
4
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1answer
63 views

How should I prune a common fig for best productivity?

Figs have a unique fruiting cycle, fruiting on old wood first, all at once, then on new wood for the rest of the season. What's the best pruning system for these, to maximize production? Is it best ...
4
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1answer
399 views

Need some help identifying a plum tree

Location: Maine Fruit: very small - blue/purple, small, oblong Blooms: small, white Leaves: small Tree: more bush like - no single trunk, 4-5 main branches split off at base at ground 10' ...
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2answers
201 views

Can I cover the roots of my cherry tree? [duplicate]

Possible Duplicate: Raised bed around tree. Do I need to protect the trunk? I want to put a circular bench around my cherry tree but need to make the ground level. It's not level due to ...
4
votes
1answer
195 views

What is this leaf miner / tenter in my small bush/tree?

I have a small bush/tree. I don't know exactly what it is. What I see is the new growths folded over onto each other, and connected together. When I pull them apart, I can find tiny white worms with ...
4
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2answers
84 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 ...
4
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1answer
168 views

Why are my avocado's leaves drying out from the edges?

I recently moved into a house in the South SF Bay Area in California, with three large avocado trees. I've noticed that the leaves on one of these trees is drying out from the edges: Here's another ...
4
votes
1answer
85 views

Help me to identify these two trees in my back yard?

I have two trees in my backyard that I need help identifying. My home is in Port Saint Lucie, which is on the eastern coast of the southern half of Florida. Hardiness zone 10a. My home backs into a ...
4
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1answer
137 views

What is this tree with alternate leaves, and large green fruits?

I was told it was an almond tree, but after looking almond trees up, I don't think that's what it is. The green drupes turn yellowish/brownish and partially split open and drop. When I open them, ...
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0answers
73 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 ...
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0answers
190 views

What is this plant called? [closed]

I am doing a project about plants and I am new at this. I found this in a park in Cairo, Egypt. Would be great if someone can identify it.
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0answers
80 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 ...
3
votes
4answers
10k 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 ...
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3answers
499 views

How to protect against my neighbour's trees

My neighbor has planted a row of pine trees along our boundary. The trees (perhaps 10 of them) will grow to 14m tall, yet are barely 4m from my house (and 2.5m from his). The ground is heavy with ...
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3answers
494 views

What kind of tree is this and what's wrong with it?

The developer in my neighboorhood was so kind as to plant trees in everyone's yard. But after 3 or 4 years all but one or two (so probably 180 or so) look scrawny and pathetic. I know nothing of ...
3
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2answers
341 views

How do you know when a tree has died?

A tree trust planted 2 trees for me along my fence-line. One hasn't budded at all this spring, the other tree has a few small leaves on one of the lowest branches. I have a lot of ...
3
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3answers
129 views

What are some hardy trees with medicinal properties?

I am looking to plant a few trees this year, they are not in a high priority location. I am mostly just doing it to keep my hill from eroding. I have heard ( i dont know how well documented this is) ...
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4answers
230 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 ...
3
votes
4answers
221 views

What's this gash on a Maple tree?

What's this gash on a Maple tree? It seems almost "infected" compared to the "normal" splitting I see on the other Maple tree right now. NOTE: It's been raining all day. That second photo is ...
3
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2answers
382 views

Will a branch on a small tree always be at that same height?

We have a lot of trees on the farm (Apple, maple, pear, walnut, oak...) and I've been reading about pruning lately. One of the things I stumbled upon is that when a tree is say five feet tall and has ...
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2answers
926 views

Is it okay to grow English ivy on the base of a tree trunk?

In one place in the yard, there is a carpet of ivy under a black walnut. Would it harm the tree in any way to let the ivy up to the base of the branches? I would like to do this so that the whole ...
3
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2answers
71 views

List of Native trees [closed]

I reside in Pune (India). I am trying to get a list of native trees which can be planted on a hill near our house. I tried to google the list but couldnt find one. Can somebody please help with it? ...
3
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2answers
2k views

Tree roots are removing the tiles of my flooring. What to do?

I have a mango tree in my backyard. Recently we are seeing that our flooring tiles in room towards my backyard has started protruding because of the roots underneath. I dont want to cut the tree. Is ...
3
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1answer
905 views

What is this tree with oval leaves and yellow flower?

I'd like now what this tree is in order to find out how to prune and whether or not the shadow of a rubinia close by is a problem as I have the impression the tree is weak (at least it was the case ...
3
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3answers
245 views

How to stimulate basal growth in a tree?

On my street lots of trees have a big burl at the base. Is there a technique to "encourage" trees to develop it?
3
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2answers
148 views

How should I deal with my willow tree that has been butchered by the council?

This willow tree was pruned, and cut back to stump. I believe that whoever was cutting the tree didn't know what he was doing. Today we returned home and were hugely shocked. The willow tree was ...
3
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3answers
135 views

Can I use 12-6-9 fertilizer sticks for a Ficus Bonsai?

I have a bunch of plant food sticks described as "compound organic and inorganic NPK 12-6-9 fertilizer with micronutrients for ornamental plants". I wonder if this is suitable for a Ficus (Ginseng?) ...
3
votes
1answer
192 views

Is it important to deal with gall wasps on oak trees? If so, what is the best method?

Gall wasps are a common problem here on the east end of Long Island. Oaks are a dominant species around here, and many clients rely on them for shade around their houses and yards. What should be done ...
3
votes
2answers
549 views

Which species is this Eucalyptus?

I noticed this spectacularly blue Eucalyptus tree growing in Seattle (USDA zone 8). It is partially shaded by a large Douglas fir and a building. Does anyone know Eucalyptus well enough to identify ...
3
votes
2answers
596 views

Ginkgo Biloba growth rate

For years I dream to plant a Ginkgo Biloba. And the other day I found two ones in a shop. The first one was really cheap, but really little with its head having been cut off... it was something like ...
3
votes
1answer
90 views

How close to a mature douglas fir can I place a septic tank and leach field?

I have two mature douglas fir trees (40') on my lot. How close to them can a septic tank or leach field be placed safely to avoid root invasion?
3
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2answers
53 views

Do sumacs transplant well?

We are having difficulty sourcing sumacs (Rhus copallinum) larger than 6-7' locally, so we are considering digging some from an old field. We can find 8-10' plants in the ground fairly readily. Are ...
3
votes
1answer
80 views

What determines the year-to-year growth in girth of any particular tree?

I'm growing some apple trees from seed and started this year. I'm worried that the width of their stems (or trunks, but they're too small to really call them "trunks") is too small in proportion to ...
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2answers
623 views

Is My Tree Dead?

The bark is falling off my tree. Is the tree dead? Diseased? Will I have to have it removed? Please see the pics: Click on any photo for full size
3
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2answers
964 views

Does an Eastern Redbud tolerate partial shade?

I'm thinking of replacing an ugly evergreen shrub in my front yard with a flowering tree of some kind. The location on which I'll be placing the tree is overshaded by some very large old oaks, so I'm ...
3
votes
1answer
298 views

What is this small tree?

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 ...
3
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2answers
35 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 ...
3
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1answer
77 views

How should I prune a copper beech sapling?

I have a sapling from my parents' copper beech that I dug up from their yard. I planted it in our yard about 3 years ago. It now is about 9" tall and I wonder if I should prune it to force ...