Tag for questions asking how to look after trees.

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4
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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 ...
7
votes
2answers
137 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 ...
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 ...
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
0answers
63 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 ...
8
votes
3answers
4k views

How should I prune this overgrown pear tree?

I have a pear tree, which is very zealous. Whatever it decides to do, it does in excess. First in the spring it sends out all sorts of new branches--all of them vertical. I snipped them off after they ...
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
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 ...
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 ...
13
votes
4answers
7k views

How should a lemon tree with yellowing leaves, peeling bark, and small fruit be saved?

Our lovely lemon tree is in trouble... We live in Northern California. Starting mid-last summer our tree began yellowing. We've called an arborist out to the house but the advice has been pretty ...
13
votes
3answers
2k views

Will a cedar tree grow new limbs?

I've got a cedar tree that divided into two smaller trees, and the previous owners tried to keep the twin trunks together by tying a rope around them. The rope eventually strangled one of the trunks, ...
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
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
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 ...
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
4answers
428 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
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 ...
6
votes
2answers
4k views

How do I keep oak trees from sprouting?

I have a lot of nice sized oak trees. I have pin, black, and chestnut. Every once in a while one of them puts out sprouts all over the trunk and starts looking like a green pillar. How do I keep that ...
9
votes
2answers
756 views

How and when to plant young grafted fruit tree?

Our backyard is in a Mediterranean climate (Adelaide plains, South Australia) and we've been gifted a young grafted apple tree which has its root ball still wrapped in plastic. It's about 1.3m (4ft) ...
2
votes
1answer
50 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. ...
11
votes
4answers
20k views

How do I encourage my plum tree to produce fruit?

I have a victoria plum which I planted almost 3 years ago and hasn't produced any fruit. Last year (1st summer) it produced a small amount of blossom. This year it produced a lot of blossom but no ...
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 ...
8
votes
1answer
5k views

Why are my honey-locust tree leaves turning yellow in mid-summer?

As hot as it's been I've been worried that the tree was not getting enough water, and it seems with increasing the water amount the leaves have turned even more yellow. How can I tell if I am over- ...
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 ...
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 ...
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 ...
7
votes
3answers
18k views

How should I prune weeping willow?

I prune a lot of of neighborhood trees, but I've come to a small problem. Some people like their weeping willows high enough that they can walk underneath without brushing it. I had been doing this by ...
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 ...
6
votes
1answer
960 views

Pruning a mimosa

I have a mimosa and I have to prune it. I'd like to be less invasive and do this "operation" in the best way. Which is the best weather to prune mimosa? Which is the best time to do it?
11
votes
3answers
4k views

Can I move a self-seeded oak tree into a pot to keep it small?

An oak has self seeded in our garden. Has got to about a metre tall and seems happy. We don't have anywhere near enough space for an oak but seems a shame to kill it. Can we move it to a pot to keep ...
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
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.
9
votes
4answers
4k views

How to deal with suckers on a Bradford Pear Tree?

I have two Bradford Pear Trees at the front of my yard. They were planted ~1997. (The HOA requires all lots in the development to have them.) Little sprouts that keep popping up from the ground ...
16
votes
3answers
2k views

Is staking young trees helpful or harmful?

I frequently see small trees staked with some support twine or rope, presumably to aid against strong winds. However, I've heard or read somewhere that staking small trees can actually be harmful, ...
1
vote
1answer
133 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
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 ...
19
votes
7answers
35k views

Why do people paint some tree trunks white at the bottom?

I've seen trees with the lower trunks painted white in a number of places around the world but have never found a definite answer to why this is done. Some suggestions that I've heard are to make them ...
7
votes
1answer
125 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 ...
15
votes
2answers
799 views

How should I prune lemon trees?

I have a lemon tree that is 8 years old. I didn't water it enough during its first years, and as a result it's only 2 meters (6 feet) high. How and when should I prune my lemon tree to stimulate its ...
7
votes
1answer
1k views

How should young honey locust trees be pruned?

I have four young (2-3 yrs) Honey Locust trees which seem to be doing very well this year. By that, I mean they've shown lots of growth and the leaves are very green and healthy. The trunks of these ...
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
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?
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, ...
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 ...