Questions tagged [trees]

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

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10
votes
1answer
927 views

What is this tree with green spherical fruit?

I have searched everywhere and cannot seem to identify the type of tree this is.
2
votes
1answer
2k 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
votes
1answer
538 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 ...
6
votes
3answers
478 views

What are the green shoots coming out from under my tree?

I just moved into my first house, :) and I have two big bushy trees in the front yard. (I'm unsure of the identification for them. Anyone know?) At one time it looks like they were lanscaped, but ...
5
votes
2answers
2k views

What's the difference between a redwood and a sequoia?

I was under the impression they were the same thing, but I have a friend who insists they're two different trees. What's the difference, and what's the relationship between the two?
6
votes
2answers
366 views

Are some varieties of Paulownia sterile?

Is it true that some varieties of Paulownia are sterile? And if so, where are they sold?
7
votes
2answers
1k views

Is it okay to grow English ivy on the base of a tree trunk?

In one place in the yard, there is a carpet of ivy under a black walnut. Would it harm the tree in any way to let the ivy up to the base of the branches? I would like to do this so that the whole ...
10
votes
1answer
380 views

Are there any tips for helping unhealthy trees?

My new yard has a lot of trees, probably 20-30. There are apple, pear, peach, pine, plum, and a few others. Most of them are fairly old (50+ years). Some of them don't seem to be very healthy (dead ...
10
votes
1answer
1k views

Mushrooms in mulch: that's OK, right?

We gave up on grass for much of our front yard after a disastrously hot and dry summer last year. (I couldn't morally live with the idea of soaking the yard with enough water to keep the grass alive, ...
5
votes
3answers
673 views

How to protect against my neighbour's trees

My neighbor has planted a row of pine trees along our boundary. The trees (perhaps 10 of them) will grow to 14m tall, yet are barely 4m from my house (and 2.5m from his). The ground is heavy with ...
15
votes
1answer
429 views

How are Japanese Maple Trees cultivated?

I have mature Japanese maple trees in my yard that are extremely fertile. I find dozens, if not hundreds of saplings all over the yard. Some have even grown several feet tall. Is there a way I can ...
15
votes
1answer
1k views

What are these red cocoons in my trees leaves?

The tree In my garden as lots of red cocoons on its leaves, I assume these are insects, do I need to be concerned or are they harmless?
10
votes
1answer
2k views

Should the aerial roots be trimmed on my ficus tree?

I have a couple 3 foot tall ficus trees which have some thin aerial roots descending from the branches. I keep both indoors, and they do not get a lot of sunlight. However, when I purchased them 2 ...
8
votes
1answer
11k views

Is it a good idea to build a paver patio near a large established tree?

I would like to build a paver patio next to a large tree that has a 3" wide root at ground level. I do not want to damage the roots of the tree, so it seems like my only option is to build a raised ...
8
votes
2answers
299 views

How do I use sassafras?

I have a lot of sassafras growing, and they drop a lot of branches. I have been piling them up and burning them, and using the ashes in the garden. Is there a way to use the branches like propagation ...
4
votes
2answers
1k 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 ...
8
votes
1answer
1k views

Is it possible to graft fruit/flowering trees onto a well established jacaranda tree?

I have a large jacaranda tree in my front yard (perhaps 30-50 yrs old). I recently pruned a few branches that were about 2" thick. You can see one fresh cut in the picture below and there are a few ...
8
votes
1answer
126 views

Can multiple arborvitaes be made to grow uniformly to the same height?

Arborvitaes grown in rows often grow unevenly with some growing twice as much as others of the same age and with the same care. Is it possible to prevent this, and make all the trees in one row look ...
10
votes
1answer
191 views

What problems can come from a tree with its graft union 5 inches above the soil line?

I planted a grafted apple tree in a pot and shortly thereafter realized the graft union is about 5-6 inches above the soil line. My gardening books and online searches recommend the union be no more ...
16
votes
3answers
3k views

Is it possible to indefinitely limit the growth of trees, hedges, and shrubs?

Now that I've lived in my very nicely landscaped first home for over 10 years, I have several "overgrown" trees, hedges, and shrubs (mostly, but not all evergreens) in my landscaping, and at this ...
5
votes
1answer
2k views

What is the best way to keep a tree growing straight?

When most trees get over ten feet tall, they seem to be trying to grow every way but up. Staking would be impractical because of scale, and pruning often helps but does not force the tree to grow up. ...
15
votes
2answers
6k views

Will it kill my potted tree if I use tree fertilizer spikes?

I recently bought some tree fertilizer spikes to feed my potted dwarf kumquat and lime trees. After I got them home, I read the following warning on the side of the box: NOTE: Never apply within 30" ...
9
votes
1answer
5k views

Why didn't my maple leaves change color in the fall after transplanting?

I just bought and planted an October Glory maple sapling with a trunk about 1.5" in diameter. I did everything the nursery worker told me to while transplanting it: I dug a hole twice as wide as the ...
8
votes
2answers
2k views

What time of year to mulch/feed trees?

This answer recommends putting down a layer of compost mulch in the fall in order to slowly feed the tree. (In addition to the unmentioned weed control and moisture regulation.) It makes sense to me -...
6
votes
1answer
148 views

How can I limit my Norway Spruce to one top (trunk)?

I have a Norway spruce that is about sixty feet tall and is beginning a second trunk. I like them to have only one top, but this particular tree is not climbable. How do I control this?
11
votes
1answer
1k views

Damaged Tree Heather: can it survive?

I have a tree heather (Erica arborea) in my rockery (acid soil) which I grew from a seedling about twenty years ago. Until it was severely damaged by a prolonged freeze-up last winter, it was about ...
12
votes
1answer
406 views

How should I choose which trees to cull?

I harvest firewood from a small woodlot behind my house. I almost exclusively cut "culls" -- dead, dying, or diseased trees that aren't going to yield much additional wood in the future anyway. My ...
16
votes
2answers
2k views

How do I prevent the seeds on my Japanese Maple from falling off?

I have a 6 ft tall 'Bloodgood' Japanese Maple in my yard. It gets a lot of afternoon Californian sun, but the leaves are a nice color and are healthy. I wanted to collect some seeds this fall (to try ...
19
votes
2answers
8k views

Will dumping paint destroy a nearby tree?

One of my neighbors complained that another neighbor killed a tree in front of her home by dumping paint in the soil. (Never mind that his trees are fine and there seems no way the paint could be ...
12
votes
1answer
2k views

How can I grow maple trees from seeds?

I have a mature maple tree in my yard. Every year it drops seeds which start growing in the most inconvenient of places, like my gutters. Next season I would like to actively cultivate these seeds and ...

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