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

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Questions About a Sycamore Maple

I just bought a house that has a Sycamore maple in the backyard. My questions are: What is the life span for this particular type of tree? when is a good time of year to trim the branches and a ...
2
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1answer
27 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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2answers
54 views

How can I revive a Meyer Lemon Tree with no leaves?

Here is what my Meyer Lemon Tree looks like: No leaves anymore. Is there a chance that it will ever revive itself?
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3answers
194 views

How to stimulate basal growth in a tree?

On my street lots of trees have a big burl at the base. Is there a technique to "encourage" trees to develop it?
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1answer
29 views

White spruce problem (yellow needles)

I bought this small spruce for Christmas (the label said it will grow up to 1m tall), it's a Picea Glauca 'conica'. I recently replanted it in a bigger container, because it looked quite ...
4
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1answer
57 views

Is there a way to straighten an older tree that started crooked?

I have a pecan tree that is about 6 years old that is growing about 5 degrees off vertical. I've tried to stake it several times but to little effect. Currently I have a ratchet strap trying to pull ...
3
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1answer
71 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 ...
3
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1answer
58 views

Pruning overgrown pear tree

I just moved to a new house and discovered I have a few fruit trees. At the end of fall I found a pear on one... Looked to me like a Bosc pear but not sure. I want to bring it back and hopefully enjoy ...
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2answers
80 views

Where, when, and how can I plant magnolia trees?

I'd like to plant a magnolia tree at the edge of the garden where it meets the concrete of an adjacent parking lot. There is clear morning sun. Light from the South and West is somewhat obstructed by ...
4
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1answer
56 views

What is this shrub/tree with small green drupes in southern Texas?

I'm hoping someone can help me identify this shrub/tree. We recently purchased this property and are still trying to figure some plants out. We live in deep south Texas, zone 8/9 but there are many ...
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2answers
121 views

How should I deal with my willow tree that has been butchered by the council?

This willow tree was pruned, and cut back to stump. I believe that whoever was cutting the tree didn't know what he was doing. Today we returned home and were hugely shocked. The willow tree was ...
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2answers
59 views

Bonsai from tree cuttings

Is there a way to make a bonsai from a normal tree cutting (not from a bonsai cutting)? I was just thinking for instance of making a bonsai maple from a normal size field maple, or ash, etc. What ...
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2answers
69 views

Growing trees from seed & cuttings

I would like to learn and compare the different methods to grow trees from seeds. I found a good website (http://treegrowing.tcv.org.uk/grow), and one book, but the latter seems to be good for ...
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2answers
33 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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4answers
190 views

Can trees be propagated from cuttings without roots or leaves?

It's well known that many tree species can be propagated by taking stem cuttings. It's also well known that many tree species can grow new stems and leaves after having the trunk cut. My question ...
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2answers
51 views

white material on roots of apple tree?

When I dug up a young apple tree to move it to a sunnier location, I noticed some sort of white material on the roots. Is this cause for concern?
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1answer
35 views

Index of photoperiods

I planted a Sequoiadendron giganteum (Giant Redwood) sapling today, and I was wondering how many hours of daylight the little guy needs. I found this answer, which mentioned photoperiods of different ...
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2answers
81 views

Can I allow a pine tree to share root space with a group of birch trees? If not, which should I cut down?

I have a group of birch trees, with a pine growing in the midst of them, in my front yard. My friend is telling me the pine must be cut down to save the birches. I see her concern, however: I think ...
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2answers
197 views

How can I help my young mulberry tree grow a thicker stem?

I have my young mulberry tree, which is a little more than a year old. I grew it from a seed, and have it indoors in a large pot at the moment. It is growing tall and thin, needs a stick to support ...
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2answers
53 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 ...
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1answer
125 views

What does 'standard' mean when referring to shrubs and vines?

I often see shrubs and vines for sale labeled as 'standards'. What does that mean? Examples: Roses Rose of Sharon Trumpet Vine Wisteria And so on.
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3answers
172 views

What is this large, woody plant with compound leaves, found in zone 6a?

In the early summer of 2014, I was on vacation in Pine Grove (PA), and saw this large plant by the side of the road. It is huge. For scale, the pokeweed in the pic is about 7' tall. This weed is ...
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1answer
41 views

Should I remove brown, cap-shaped Birch Polypore mushrooms from my tree?

I learned from this question that my birch tree is infested with Birch Polypore mushrooms. For two reasons, I'm wondering if I should remove them. First, even though they grow because the tree is ...
4
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1answer
113 views

Why are my avocado's leaves drying out from the edges?

I recently moved into a house in the South SF Bay Area in California, with three large avocado trees. I've noticed that the leaves on one of these trees is drying out from the edges: Here's another ...
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1answer
66 views

Why is my lemon tree losing leaves after I gave it tomato feed?

There are pale blotches on the leaves of my lemon tree. There are no pests or mites, but all leaves have fallen from tree. I have tried a tomato feed with no results.
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1answer
47 views

What is the best growing temperatures for an avocado plant?

I live in a very warm climate (Phoenix AZ) and I was wondering what the best growing conditions (temperatures) are for an avocado plant? Are the extreme heat summers here to much for an avocado? We ...
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3answers
74 views

Can I use 12-6-9 fertilizer sticks for a Ficus Bonsai?

I have a bunch of plant food sticks described as "compound organic and inorganic NPK 12-6-9 fertilizer with micronutrients for ornamental plants". I wonder if this is suitable for a Ficus (Ginseng?) ...
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1answer
538 views

What are these brown, cap-shaped mushrooms on my birch tree?

I live in Massachusetts and have several birch trees in my yard. One of them has brown, cap-shaped mushrooms growing in groups up and down the trunk. As you can see, the tree has a big crack in the ...
3
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1answer
80 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 ...
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1answer
62 views

How do I take care of my very small Kaffir lime tree?

What is the general care of Kaffir lime (Citrus hystrix) trees? I have a very small tree that I'm growing as a houseplant. How do I care for it? Does it need a bigger pot?
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2answers
83 views

Can I water indoor fruit trees with aquarium water?

I have kiwi, lemon, orange, mandarin and avocado trees, grown from seed from normal fruit which I have eaten. I also have an aquarium with turtle. I've treated aquarium water with ReptoSafe and ...
5
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1answer
77 views

What is the name of this tree? - currently a bonsai

I'm trying to find the name of this tree. It's currently a bonsai and isn't doing very well, indoors or out. It came with no identification and very basic instructions like "don't let it dry out." ...
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1answer
56 views

How close to a mature douglas fir can I place a septic tank and leach field?

I have two mature douglas fir trees (40') on my lot. How close to them can a septic tank or leach field be placed safely to avoid root invasion?
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3answers
209 views

What is the name of this tree found in Switzerland?

What is the name of this tree? They are quite common in Switzerland. The second picture refers to Lugano. Here a couple of pictures in summer (with leaves):
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0answers
62 views

My avocado tree is not doing well [closed]

My avocado tree has been growing for a year just in the last few days the top has started to droop and bend over sideways the rest of the tree looks healthy but my healthy leaves are falling off. I ...
5
votes
1answer
54 views

How should I prune a common fig for best productivity?

Figs have a unique fruiting cycle, fruiting on old wood first, all at once, then on new wood for the rest of the season. What's the best pruning system for these, to maximize production? Is it best ...
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2answers
185 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 ...
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2answers
133 views

Renovating mature pear trees

Of the descriptions about renovating mature fruit trees these two seem useful: Ohio State University Extension Fact Sheet - Pruning Mature Apples and Pears & Fedco Trees Tips for Renovating Old ...
5
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1answer
107 views

Is it possible for an almond tree to grow in a tropical country?

I have been searching in Google, but I got neither information or reference regarding this issue. I'm wondering is it possible for an almond tree to grow in a tropical country such as Indonesia? If ...
2
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2answers
81 views

What equipment do I need to transplant a 20' tall pin oak?

I knew a guy who moved 7 or 8 large (for moving) 20-35' pin oaks. He used a backhoe, digging out around the rootball, while leaving it intact. While this was successful, and the trees did very well, ...
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0answers
39 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?
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3answers
82 views

How do I control suckers on pear trees?

I have several ornamental pear trees of which one keeps producing suckers. I have tried cutting them off as low down as possible and have even resorted to weedkiller but they just seem to keep coming ...
6
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1answer
51 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
129 views

What is this plant called? [closed]

I am doing a project about plants and I am new at this. I found this in a park in Cairo, Egypt. Would be great if someone can identify it.
4
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2answers
353 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 ...
6
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1answer
59 views

What to do against my Catalpa rooting in the neighbour's garden?

I have a Catalpa tree in the center of my yard. Today the neighbor showed me it's roots are showing in his (vegetable) garden. He went looking for it after noticing that his crops were smaller at ...
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1answer
35 views

What to do with a this tree which has become to big for its current position?

I've got an tree (see this question for ID) which has been planted by the previous owner in a position where it now has outgrown. I would like to remove it from there and like know what are my ...
6
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1answer
140 views

Identify this tree with two different types of leaves?

There are 2 types of leaves sprouting from the mystery root here. You might guess that one is a sprig of tree leaves and the other leaves belong to a weed, but in fact both are growing directly from ...
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1answer
91 views

Can this tree be an eucalyptus tree growing in Central Europe?

I have this tree in my garden. The previous owner, who planted it, told me it is a kind of eucalyptus. When rubbing a leave between the fingers it indeed has the smell I know of eucalyptus-sweets. 3 ...
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2answers
101 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 ...