Tag for questions asking how to look after trees.

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7
votes
2answers
139 views

What is a sucker and how does it differ from a water sprout or branch?

In a post about renovating mature pear trees there is a diagram (below) showing tree nomenclature as it pertains to pruning. In it, the letter "A" indicates suckers, and "E" marks shaded interior ...
4
votes
1answer
79 views
+50

Which of These Bonsais Are The Most Appropriate For My Climate?

I want to buy a bonsai tree. The options are Ficus, Ligustrum, Carmona, and Sageretia. Reading the instructions on those links, I was convinced that I should get either Carmona or Sagertia ...
2
votes
3answers
68 views

Can citrus tree health affect the seed count in the fruit?

I have a Clementine Orange which used to produce pleasant fruit that was lightly seeded. In the last few years, the number of seeds in each orange has increased dramatically. The tree has fallen to ...
3
votes
2answers
73 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 ...
4
votes
0answers
66 views

How can we salvage a poorly pruned mature pear tree? [closed]

I just had a company prune my mature pear tree yesterday. But I think they did it all wrong. I asked for the top to be trimmed down as much as possible and prune around power lines and over our ...
4
votes
2answers
48 views

How far apart should I space Thuja 'Green Giant'?

If I wanted to plant several Thuja plicata x standishii 'Green Giant', how far apart should they be placed, or does it matter? Some evergreens seem to like being planted close together (and growing ...
4
votes
3answers
51 views

Does a Japanese maple require special care when a post-hole is dug in the root system?

I need to put a post down to support a carport. The post would be embedded in a concrete block approx. 60cm x 60cm. This is 3 metres from the trunk of a Japanese Maple about 5 metres tall. Is there a ...
3
votes
0answers
45 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 ...
4
votes
2answers
62 views

Do I need to change the irrigation for my Shamel Ash trees?

I have three Shamel Ashes in my yard, all planted at roughly the same time and all irrigated in the same way. Despite professional care they haven't shown any substantial growth in over a year. If ...
4
votes
3answers
212 views

Should I remove the suckers from the base of my new tree?

I bought a new tree this summer. Lately I've been seeing this little sprouts coming out of the very base of the tree. Should I chop them off or leave them? What will happen to them over time? Also, ...
3
votes
1answer
146 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 ...
1
vote
1answer
35 views

Will coppicing a Siberian elm tree get rid of bacterial wetwood (slime flux)?

Will coppicing a Siberian elm tree cure it of bacterial wetwood or slime flux? I know you can coppice Siberian elm trees and they will grow back (if what I've read about people trying to kill the ...
4
votes
1answer
52 views

Should my plant be shedding leaves when it's flowering?

I have this plant at my new place which I assume is a Cissus of some type from googling. I noticed some of the leaves started yellowing and falling off when the flower buds started appearing. Is ...
0
votes
0answers
42 views

How can I prevent my arborvitae trees from turning brown and dying every time I plant them? [duplicate]

I have replaced these Arborvitae trees 4 times. They keep turning brown. I cut out parts of the trees behind them, so they would get more sunlight. I Am watering them. Could it be a fungus? How can I ...
3
votes
1answer
159 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 ...
4
votes
4answers
430 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 have started to brown and shrivel like a dead leaf would ...
3
votes
3answers
120 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's a bunch of pics: ...
3
votes
3answers
464 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 ...
6
votes
1answer
83 views

How can I rescue my tree?

I moved into this house last year, so I've only seen this tree with leaves once and I do not know what kind of tree it is (I live in Iowa). I noticed this spring that the leaves didn't seem to come in ...
4
votes
1answer
91 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 ...
3
votes
2answers
210 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 ...
4
votes
1answer
114 views

What conditions cause trunk sprouts on oak trees?

I asked a similar question here, but something annoying is catching my attention. Almost all of the pin oak trees in my area are sprouting up and down the trunks like crazy this spring, many of them ...
1
vote
1answer
135 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 ...
3
votes
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?
6
votes
1answer
78 views

How close should a maple tree sapling be to marked utilities?

Last summer I planted a maple sapling in my yard. I foolishly did this without calling 811. This month I have other work to do and had my utilities marked. When the marking was done I discovered that ...
1
vote
1answer
36 views

questions on deep root fertilization

One of the dog wood trees in my yard does not grow healthy. The tree care professionals recommend the so-called deep root fertilization, and I agree to move on with this operation. Yesterday, ...
1
vote
1answer
124 views

Dwarf Alberta Spruce Winter Burn [duplicate]

I have a Dwarf Alberta Spruce which is showing signs of worse-than-normal winter burn. Not only have the needles on the south side of the tree browned, but the new buds on that side also appear to ...
3
votes
4answers
2k 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 ...
3
votes
1answer
84 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 ...
2
votes
1answer
110 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.
4
votes
1answer
63 views

How should I care for newly planted saplings on a slope?

Me and couple of my mates are trying to plant few trees on a hill slope before the wet season (monsoon) sets in India (early June). The hill has been devoid of trees due to excessive felling in last ...
7
votes
1answer
128 views

Is it okay to top a redwood tree?

Our redwood is about 30 years old and about 4 stories high. I would like to shape and top it to keep under control. Would it be fine to top off about 10 or 15 feet and also shape it? A tree trimmer ...
3
votes
2answers
69 views

How do I know if an ash tree can be treated for emerald ash borer or needs to be removed?

I have 16 Emerald ash trees that have been hit with the emerald ash borer. While I have seen the ash borer's bore holes and the epicormic sprouting of branches in random places, I question whether or ...
7
votes
2answers
425 views

What is happening to the leaves of my avocado?

I have an avocado plant in my outdoors balcony. It's been growing nicely, but there are small brown dots/holes in the leaves for some time now. I don't see anything in the underside of the leaves, and ...
1
vote
1answer
92 views

How do I prevent Ficus tree roots from invading other areas?

How far can I cut back the roots on my Ficus trees and maintain their life? Is this even possible? They are approximately 20 ft in height and 10 yrs old.
4
votes
1answer
180 views

What is wrong with my lemon tree? [duplicate]

Below is a picture of my lemon tree, which now have some sticky web infection. See left corner on the first picture. On the second picture is a close up of something that is being spread from the ...
1
vote
1answer
87 views

Does a birch clump need to be trained?

I planted a clump of three birch trees. Do the trunks need to be trained to get the desired spacing or angle as they grow?
5
votes
1answer
137 views

What are these red “quills” on my willow tree?

I just noticed several clusters of red "quills" which sort of look like small buds on the main trunk and the two largest lower branches on my weeping willow tree. The little growths are red and ...
4
votes
1answer
75 views

Did this saucer magnolia likely suffer a mortal wound?

This morning my wife told me that the landscapers for my townhouse complex hit a saucer magnolia tree on our property with their truck while doing their work. My wife said that the tree was knocked ...
3
votes
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 ...
3
votes
1answer
64 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 ...
3
votes
1answer
477 views

Holes in leaves of Yoshino Cherry

I have just started gardening. My first tree purchase was a Yoshino Cherry (Prunus y yedoensis Ivensii). After potting it into a larger pot, it has started to have lots of holes appear in the leaves. ...
0
votes
1answer
82 views

What is this plant with the prune tree?

I have planted a prune tree last year and today when I looked at it, I saw it was made of 2 kinds of plants. I am not even sure which one is which. So my questions are: What are these plants? Should ...
2
votes
1answer
493 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 ...
3
votes
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 ...
1
vote
1answer
97 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 ...
4
votes
2answers
290 views

What kind of palm tree is this and how do I care for it?

I bought a new house and have this palm tree in the front yard. No one lived in the house for over two years so it's been neglected but still looks healthy. What's the best way to clean it up and have ...
4
votes
2answers
2k views

Is there a way to save this half-dead evergreen tree?

I just moved into a home and this tree is planted in the yard. Half of it seems to be in good shape but the other half has no leaves and seems dead. I'm not sure what, if anything, I can do to save or ...
4
votes
1answer
94 views

How to best care for mature trees?

I've got several mature trees in my yard. I just moved into the home and for the last two years not a lot of care was given to the trees. As a first step I've removed all the trees that were scattered ...
1
vote
2answers
1k views

How can I rejuvenate a privet and hawthorn hedge?

I have a mixed hedge which is about 6 feet high. I think it is privet and hawthorn. Currently, it is very top heavy in terms of the growth, and it has a lot of bare stems lower down. Please see the ...