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

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2answers
150 views

What is this tree seedling (White Oak, something else?) from Piedmont Region, MD?

I'm gradually trying to get invasives removed from our property, replacing with natives to this area. I believe this is a tree seedling, and I think it's white oak (which would be good for this area). ...
3
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1answer
306 views

Can woodpeckers damage a pecan tree enough that it won't produce?

A couple of Red-bellied woodpeckers have been paying regular visitors to my pecan tree this winter. Is this an indication of possible insect infestation on the tree? Is it possible they could damage ...
3
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1answer
316 views

Will removing the above-ground roots of an oak tree compromise its safety?

I have a large oak tree with above ground roots that grow towards my house and the other way. Will removing the roots endanger the safety of the tree in case of heavy storms. Part of the tree ...
3
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1answer
1k views

Why is my bonsai losing brown/yellow leaves and developing white dots

I was recently given this beautiful bonsai and I water until the soil is moist nearly every day. But recently it has started dropping leaves and these little white dots are appearing. Why is this ...
3
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1answer
2k views

How long can I keep a Mulberry tree in a large pot without stunting it?

I have a mulberry tree growing in a large pot, about 30-40 litres (about 40-50cm diameter, same depth). How long will it be fine in that size pot, or is it good forever and will just be stunted?
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1answer
45 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 ...
3
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2answers
61 views

What kind of plant is this leaf from?

Found this glued to my door. Curious what this might mean. The leaf is colored dark green btw, pink is bug from my camera.
3
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1answer
59 views

Will pruning dead shoots off an arborvitae cause re-growth?

I planted 26 emerald arborvitae trees this summer. All but three are looking good. On each of those three, one of the shoots died. If I cut that part out, will the trees fill in?
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3answers
94 views

One quarter of the roots of a 50' tall white pine were cut off. Can I save it?

About one quarter of the roots of a 50 foot tall white pine were cut off at the drip line, all on the same side. Can I save this tree?
3
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1answer
49 views

Giving my palm tree a second life

I didn't water at all my palm tree (bought at Homebase) for a couple weeks, and before that I neglected it. See it below. What should I do to make it look healthy again? Should I put in outside or ...
3
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1answer
117 views

Crepe Myrtle and Pink Magnolia Trunk Question

I have a question about two of the trees in my yard. I have the same issue and question about crepe myrtles and pink magnolias. I have two of each in my yard and they all have multiple trunks coming ...
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1answer
163 views

Have I damaged my apple tree by cutting off a root?

I have just had an asbestos garage removed, and am having a shed put up in its place. The concrete base to the garage was cracked right through by my apple tree roots, the concrete has been removed ...
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2answers
56 views

Is it too late to plant my avocado plant in soil?

I have had my avocado plant in water for 6 months now on my window sill and it has grown to be about 30cm. However the bottom leaves are hanging and have slight brown spots, the second set of leaves ...
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2answers
138 views

How should I deal with carpenter ant damage on my old almond tree?

I have an almond tree on a house I purchased. The tree looks very old and the large bulk of it didn't have much green - looked very dead. It was growing sideways and near the base of the tree some new ...
3
votes
1answer
452 views

What evergreens will tolerate alkaline clay soil in USDA zone 4?

Although the area where I live is famed for it's white pine they grow in sandy soils. My garden has a thin skim of topsoil over six feet of compact alkaline (ph 7) clay. My dwarf white pine is doing ...
3
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2answers
145 views

Which high-desert-friendly tree should I plant beside my driveway?

My property (New Mexico, climate zone 7a) has a patch of ground between my driveway and a fence that's begging for a tree to be there. It's about 11 feet wide. Apparently a tree was there before, as ...
3
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1answer
339 views

Is it possible to graft together a self-pollinating cherry tree?

Earlier today I asked this question: How do you tell if a tree is male or female? because I've been looking into fruit trees and learning about what is needed for them to bear fruit. So based on this ...
3
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2answers
441 views

What small pines and deciduous trees are suitable for terrarium culture?

I am building a terrarium for some ex-Oregon family members. I really want to capture Oregon with its moss, ferns, trees and of course pine trees. I don't know of really any small pine trees that ...
3
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1answer
158 views

Can these two trees be identified by photo.

I would like know what these tree are. They are located in San Diego county California. The trees may not be native. Thanks, Jon.
3
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1answer
450 views

What is this tree with pointed bumps on its bark?

This tree was found on a nature path in the Fort Myers area in Florida. The leaves are compound, most are 5 compound but some are 7. They are similar to a buckeye tree. This is a picture of the ...
3
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1answer
123 views

What are some reasons that our apple tree has no apples?

Our new house has 2 apple trees that have obviously seen better days. They appear to never have been properly pruned and are now scraggly and about 30' tall. In addition, one of the two trees didn't ...
3
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1answer
58 views

Burnt Almond tree?

My husband and father in law planted an almond tree 2 years ago, it is about 9 ft tall and was growing really well and healthy. Although lately it had been covered in beetles and the leaves were ...
3
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2answers
45 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 ...
3
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1answer
56 views

What's the best way to care for and prune young willow trees?

We have two young willow trees. I'm unsure of how to trim or look after them. They are approximately 4 years old. One is really tall, about 20 feet, and the other is quite short. I purchased both from ...
3
votes
1answer
42 views

How to fix a broken limb

I have a peach tree that was weighted down with fruit this summer, so much so that the branch split. The split is beyond repair, and I'm now chiefly concerned with the health of the tree. I cut the ...
3
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1answer
72 views

Can a healthy pecan tree grow from the root of one which was cut down?

I had a pecan tree, which was more than 20 years old. I cut it down because the trunk near the ground was partially rotted and the tree did not look healthy, though not dead. Now a new tree (about 3 ...
3
votes
2answers
137 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 ...
3
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1answer
120 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 ...
3
votes
1answer
107 views

Could the roots from an apple tree 10m away from my house be causing structural problems?

I have a fairly large apple tree in my garden approximately 10m from my house. It stands about 8m high. I have started getting cracks in my back 2 rooms and patio. is it likely to be the roots and ...
3
votes
1answer
59 views

Dead Dogwood post-mortem: How to ensure these next plants do better in clay

This question is accompanied by this previous question... Dead Dogwood trees, dug up with steel wire cage around the roots? So clearly my two dead Dogwood trees didn't do so hot in clay. The ...
3
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1answer
187 views

Is it really that important to prune deadwood from trees? If so, why?

It seems like every time we bring arborists onto a property, the first thing they want to do is to remove all the deadwood from the tree canopies. What are the reasons for doing this, and is it really ...
3
votes
1answer
578 views

Can the roots of a Redwood tree lift up the foundation of my house?

I have a large (80 years old) Redwood Tree in my front yard, approximately 10 feet from the house. My house is a ranch style house and I can see the roots of the tree go under the house in the front ...
3
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1answer
91 views

Should I be concerned about twisted galls on my lombardy poplar trees?

We have lots of large twisted galls on our lombardy poplar trees' leaf stems. I've heard that twisted galls on poplar trees are not a threat to the tree. So, I'm not worried about them killing the ...
3
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2answers
136 views

Lack of Blossom and Fruit on my Plum Tree!

I have a plum tree that is meant to be self pollinating. I have had it for four years, but when I bought it it was 5 years old. The first two years I had an abundant crop of plums. But for the last ...
3
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1answer
341 views

How deep are the roots of a Dwarf Southern Magnolia tree?

How deep do the roots of this tree go? I understand they are quite shallow. Is this correct?
3
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1answer
82 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. ...
3
votes
1answer
1k views

Fig tree mystery worm problem

A friend has a fig tree which seems to be the target of a worm. As far as I can see the leaves and fruit do not have any bite marks or worms/insects inside them, but the fruit born was less this year, ...
3
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1answer
972 views

My 14' weeping willow tree's pruned main branch is growing off center

I pruned the main branch of my (7') weeping willow tree last year too low (I'm guessing) and now the main branch is about 3-5" off center. The tree is now about 12-14' high. Is this a problem? If ...
3
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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 ...
3
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1answer
66 views

Is this a Morus alba seedling?

They are everywhere. Their leaf underbelly is glabrous; the indentations or lobes still not there... Alternate leaves. The seedlings are ubiquitous in the suburbs, and unfortunately the grown-up trees ...
3
votes
1answer
137 views

Ash (fraxinus excelsior) bonsai tree

I wanted to ask you some reference or direct suggestion on how to make a bonsai out of this very young ash (fraxinus excelsior) shoot that I rooted in a pot. Any books, video tutorials, ideas? PS: I ...
3
votes
1answer
49 views

Transplanting an oak that has rooted through bottom of a pot

I need to move an oak tree that has rooted through the bottom of the pot and stands about 8-10 feet tall. It is way too close to the house and must be moved. I know this should be attempted in its ...
3
votes
1answer
123 views

Will black knot fungus harbor in the roots of a recently cut down tree and infect another tree planted in its place?

I purchased a house last November with a beautiful tree in the front yard. I don't know what breed it was, but I believe that it might have been a type of plum tree. (see photo at bottom) ...
3
votes
1answer
213 views

What are the limits to growing plants hydroponically?

I'm working with a group of artists, educators and engineers to develop new methods for STEM teaching in classrooms and museums. Right now, we are trying to design a room-sized model of the carbon ...
3
votes
1answer
100 views

How fast does a Thuja hedge grow after being burnt?

A fire destroyed about 40cm of the upper part of my Thuja hedge. I have 2 questions: Should I cut off the burnt branches to help regrowth or can I leave it as it is? How long will it take to grow ...
3
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1answer
193 views

Can a citrus tree produce fruit after a freeze?

My citrus tree is in a large pot on the patio where it gets lots of sunlight. Two summers ago, it was filled with blooms, but they all fell off. We had a hard freeze that winter and it looked dead. ...
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0answers
114 views

What is wrong with my apple trees? [closed]

This is on some of my apple trees, can someone help me? What is going on and how do I treat it. Thanks
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0answers
48 views

What is yield of a tea tree? [closed]

I would like to plan plantation of tea. I would like to know how much tea a tea tree would yield. What is the quantity / frequency?
3
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1answer
191 views

What variety of plum tree do I have? [closed]

I bought house in central Oklahoma 4 years ago. It has a plum tree that sits alone in front yard. 2 years ago it produced the best plums I've ever had but none since. I've tried to find out why which ...
3
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0answers
139 views

How to halt the growth but leave the tree? [closed]

I have a twisted /contorted / japanese/ willow tree (it is I'd say about 20ft high at the moment )next to my small garden pond. My son planted it (from a cutting) over the resting place of a deceased ...