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

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What's wrong with this Photinia fraseri tree?

I've got three Photinia fraseri trees in my yard in Tucson, Arizona. They were planted last May (2013) and now in September (2014), one of them is turning entirely brown and losing all its leaves ...
3
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1answer
156 views

How should I care for a new Mimosa tree growing out of an old Mimosa stump?

We lost an old Mimosa to borers and it fell over in a wind storm. This spring it started a new growth out of the cut stump.It looks healthy but is growing RAPIDLY and it does not have much space. We ...
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2answers
224 views

Will Arborvitae regrow to their usual shape after being partially eaten by deer?

I planted a bunch of Arborvitae in my yard and last winter the deer ate the bottom portion of 2 or 3 of them. I did some Googling to see if they'd grow back, and while most sources say that they will ...
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1answer
157 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 ...
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1answer
568 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 ...
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1answer
61 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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1answer
143 views

What options except cutting the tree down do I have if a fir tree is growing too high?

There's a fir tree that is now about seven meter tall and continues to grow and will reach something like 20 meters height. The tree is too close to buildings and too close to plants and so the shadow ...
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1answer
181 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 ...
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1answer
973 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
840 views

Can I grow chestnuts or hazelnuts indoors? If yes, how?

Can I grow chestnuts or hazelnuts indoors? If yes, how? If not, how can I grow them outdoors?
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2answers
110 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 ...
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1answer
163 views

What is this small tree with purple leaves and small green fruits?

I'd like to get one of these for my back yard but I'm not sure what kind of tree it is... anybody know?
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1answer
145 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 ...
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1answer
107 views

Relocating an apple tree - when should this be done?

A long time ago (about ten years), I put some apple seeds in the ground, and now I have an apple tree. The only problem is that it is too close to the neighbour's house, and might do some damage to it ...
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1answer
683 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 ...
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2answers
307 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
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2answers
58 views

Bay Leaf Tree (Laurus Nobilis) with severe scale

I'm new to gardening as I have just bought my first house. I inherited a very large (about 6m tall) Bay tree that is severely sick. I took a sample to my local garden center and I was told that it ...
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1answer
83 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 ...
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1answer
49 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 ...
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1answer
77 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 ...
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1answer
73 views

Why does my apple tree not bear fruit?

I currently live in southern Massachusetts. When an apple tree in my backyard blossoms and the little apples begin to show, they all disappear and begin to fall on the ground. FYI, there are also ...
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1answer
62 views

What kind of trees can be kept in an apartment?

I live in an apartment and I want to have some indoor trees in my apartment. We have a large window that faces to the north-east and has curtains. What kind of trees can be kept in an apartment?
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2answers
292 views

Tall Living Fence

I live in NJ and my house next to a daycare facility playground. Not only is there zero privacy, it also gets really noisy with the kids screaming all day. I am looking into the possibility of a ...
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1answer
730 views

What is this South Florida tree?

This tree is on the side of my South Florida house. The trunk is really thin. The diameter can't be more than three inches. I haven't measured the tree, but it's gotta be about 10-12 feet tall and ...
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1answer
351 views

oak tree white fuzz

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.
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1answer
59 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 ...
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1answer
76 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 ...
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1answer
76 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 ...
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1answer
136 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
21 views

How often can I harvest coppiced black-locusts?

I would like to coppice some black locust trees (Robinia pseudoacacia) for fence post production. The conditions are fairly good. This is USDA hardiness zone 6b, with good clay based topsoil, and ...
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0answers
40 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
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1answer
76 views

Is dolgo crabapple a dwarfing rootstock?

Emerald Spire crabapple is produced by grafting onto Dolgo crabapple stock. I know that apples are commonly grafted onto crabapple rootstocks to dwarf them. On a Dolgo root stock the tree nominally ...
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1answer
109 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 ...
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0answers
88 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 ...
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3answers
188 views

Small Baby tree growing its roots right next to the base of my house. Should I be worried? [duplicate]

Should I pull out the tree? It stands at roughly 10 feet tall. With green colored branches. The stem of the tree is indeed brown and wooden. I have no clue how deep the roots are. Will the roots ...
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3answers
123 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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2answers
97 views

What zone 5 trees and shrubs produce the most pollen?

Is some pollen more likely to provoke an allergic reaction than others? We are thinking of planting a tree or shrub like a smoke bush (Cotinus) and would like to know if this means more sniffing in ...
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2answers
69 views

What should I do with a wind-harmed tree that will not regrow leaves?

This tree was planted in May 2011 in Dallas, Texas. Unfortunately the month or so following were some of the windiest we've had and all of the leaves it had at the time were blown off and the tree ...
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1answer
72 views

Which indoor plant/tree is this?

Can anyone tell me the name of this indoor plant/tree?
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3answers
174 views

Would placing a small shed inside the drip line of a cedar hurt it?

We have a small grove of Cedars (quite large...perhaps 80' tall) that has perfect space underneath them for a small shed. We're looking at putting a small one (less than 10x10') underneath them. ...
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2answers
46 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 ...
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1answer
58 views

How to heal this needled plant?

This little guy is suffering and I'm not sure how to help him out. Any ideas?
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2answers
96 views

Watering a new tree in the middle of new sod

The landscapers planted a new tree (1 1/2 diameter) in the middle of the sod they also installed. They have the yard set to be watered 3x daily for half an hour at a time (the sprinkler heads are the ...
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1answer
522 views

How should I go about straightening up my baby trees?

We just had a house built, and in the front and back yards are baby trees. The trees are supported by a large, narrow piece of wood fastened to the tree trunk. A few weeks ago we had a terrible ...
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1answer
46 views

How do I treat a rose tree that appears to be in shock but still has rose hips and has plenty of root suckers?

I have two Sunny Knock-out rose trees that were transitioned from pots to sunny landscape areas in the front of my home. The trees appear to be in shock. If not for the Sucker roots extending above ...
2
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2answers
49 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 ...
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1answer
58 views

What should I do about a newly planted avocado tree that stopped growing?

The new avocado tree that I bought isn't growing well since I planted it in the ground. Should I put more soil around it to build the ground up?
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2answers
68 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). ...
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1answer
75 views

What is the name of this flowering tree?

I need help to identify the following tree. It is commonly seen in Hong Kong. However,I can't find it when searching for it under the common trees in Hong Kong. What is the name of the tree?
2
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1answer
75 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 ...