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

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2answers
79 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 ...
2
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2answers
64 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 ...
2
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1answer
62 views

Which indoor plant/tree is this?

Can anyone tell me the name of this indoor plant/tree?
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3answers
152 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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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?
2
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2answers
92 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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2answers
343 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 ...
2
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1answer
478 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 ...
2
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1answer
43 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 ...
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2answers
4k views

Why is my pine tree turning brown?

I have 4 pine trees (not sure the type but they look like Christmas trees) in my back yard. They were planted at the end of May by the people that we bought the house from. One of them has turned ...
2
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1answer
53 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?
2
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2answers
57 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
70 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?
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1answer
65 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 ...
2
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1answer
127 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 ...
2
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2answers
117 views

Why are there three guava trees grown within inches of each other?

I bought a house where the previous owner had planted 3 trees within inches of each other. They are all 5 feet tall now. As this is the first time I've ever seen multiple trunks crowded together, I ...
2
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1answer
525 views

White fungus growing on tree branches

This tree has had a tough time recently. It was heavily pruned by a former resident, and until recently was buried in the middle of a dense bamboo grove. The bamboo visible to the right is 30+ feet ...
2
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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 ...
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2answers
359 views

What is wrong with this Norway spruce?

This Spruce tree is very odd. I have a few questions about it. First of all, how did the branch segment pictured below grow there? It grows right out of the smaller trunk into the larger one, without ...
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2answers
124 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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2answers
76 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 ...
2
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1answer
63 views

Can the top of a tree be trained to form an espalier-line?

I have planted 2 apple trees and 2 pear trees into espaliers (horizontal lines, simple shape). I picked the perfect branches for the first bottom lines. However, two of the trees have long flexible ...
2
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1answer
102 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.
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1answer
105 views

Pine tree spitting something when I get close

I was walking in the woods behind my house yesterday. It had rained in the morning but was pretty dry when I went out. I put my hand up to a large pine tree (without touching it) and to my surprise, ...
2
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1answer
116 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
89 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 ...
2
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1answer
449 views

What's causing the bark on my maple sapling to split?

I planted a Maple sapling in my front yard in November 2011, and it hasn't shown very much growth since. It gets leaves during the spring, but they seem to fall off earlier than all the other trees in ...
2
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2answers
168 views

How far do you dig from a maple tree so as not to cause damage to the tree?

A family member wants to put up a fence behind her condominium and the plans state that the fence will be 3 foot away from a small maple tree in the back yard. The association members say that this is ...
2
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1answer
49 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. ...
2
votes
1answer
658 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 ...
2
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1answer
578 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 ...
2
votes
1answer
100 views

Willowbranch in small pond: it grows, but what now?

I have a (very) small pond (well, it's a .5x.5 bin with foil) with some still standing water inside. It's mainly inhabited by frogs, insects and visited by the local cats and contains a lot of ...
2
votes
1answer
295 views

Chinaberry stump

I had a 30 ft chinaberry removed that the previous owner left for me, four months ago. It had multiple split trunks at the bottom that made every arborist that looked at it concerned, and it was ...
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0answers
23 views

What's wrong with this Photinia fraseri tree?

I've got 3 photinia fraseri trees in my yard in Tucson, AZ. They were planted last May (2013) and one of them is turning entirely brown and losing all its leaves (over the course of the past month or ...
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0answers
44 views

What is eating my orange trees? [closed]

I have 3 navel orange trees in my backyard and the leaves are being eaten by something. What is it that is eating the leaves, and what can I do to prevent this?
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0answers
119 views

Mexican Avocado tree grown indoors 1½ years old has round spots on leaves [closed]

I have a Mexican Avocado tree growing indoors in the winter (we live in the Northeast) outdoors in the summer. It has developed white round spots and the edges to the inside are becoming brown and the ...
2
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1answer
513 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, ...
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3answers
147 views

Identifying a Tree

I'm wanted to buy and plant some trees myself and want to copy my neighbor's tree. I'm having a hard time identifying what type of tree it is. Does anyone know by looking at it?
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2answers
433 views

How to keep a tree and the grass around it well watered?

I am having a problem with keep the grass around my trees green. Half a dozen trees died in the area last year, so I am trying to make sure that doesn't happen to more. I suspect I am not getting ...
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vote
1answer
85 views

How can I save my dying palm tree?

My palm tree started to become yellow in the last couple of months and I don't see any improvement. I've tried with some spike fertilizers for palm trees, but didn't seem to help. Here are some ...
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1answer
443 views

Does soap mixed with water kill plants?? [duplicate]

I'm doing a science fair project for 8th grade and I'm trying to decide my hypothesis but I'm oblivious .
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1answer
100 views

Sequoia Browning

I have a small sequoia tree which I got from the San Francisco airport as a seedling. I planted it in January 2012 and it has been growing (slowly) and seemed healthy - it is about a foot tall and is ...
1
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1answer
203 views

How can I make my seedling jacaranda recover

I've grown a jacaranda tree from seed a few months ago. It was developing ok until a few days ago when I found it in a really bad condition. I guess it was the cold weather (I'm in South America and ...
1
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1answer
74 views

Why is the leaf on my avocado tree drooping? [duplicate]

I have had an indoor avocado tree for a couple of months, but it doesn't look like the pictures on Google. One leaf is almost touching the tree. The new leaves on top are fine but when others appear ...
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1answer
57 views

What plant will grow to about 3' in the shade from a pepper tree and oleanders?

Is there a low light plant, that will grow under a pepper tree, and between two oleanders, that grows about 3-5 feet tall, in southern California?
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1answer
64 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?
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1answer
41 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 ...
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1answer
115 views

Royal Frost Birch Leaves

I planted a new clump about two weeks ago. The leaves were green and the new growth is coming out crimson and staying that color, but the existing green leaves are still staying green. I can see the ...
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1answer
162 views

Why have some of the leaves on my cherry tree sapling suddenly gone very pale?

Several months ago, I planted three cherry trees, one in the front garden, one in the back and one in a container in the house. The one in the front has really struggled, whereas, predictably, the one ...
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1answer
94 views

How do I deal with a pine tree infestation?

My pine tree is heavily infested with some kind of white stuff. It looks like some kind of scales or white powder that is covering all the pine needles. Anyone know how to deal with this without ...