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Questions tagged [pines]

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2
votes
1answer
53 views

Pine tree falling

We have a pine tree in our backyard leaning at 35 degrees of an angle. On one side of the tree the roots seem to be separating from the ground(there is a hollow gap of 6 inches forming underground ...
2
votes
0answers
25 views

How hot can soil get if daily temperatures persist above 100°F?

I am doing some research on ponderosa pines and climate change. I am currently trying to find (with no luck) how hot soil can get if subjected to direct daily sunlight with temperatures exceeding 100°...
3
votes
1answer
66 views

How can we save the trees in our historical garden from dying?

Our historical building is located in a big garden with 2700 pine trees in Khaf city, Iran, and about 300 trees have died. Is there anything we can do to save these huge trees? Khaf city has warm ...
4
votes
3answers
98 views

How much dirt can I put on pine tree roots?

How much dirt can I safely add on top of an established pine tree's roots without harming the tree? I want to add berming for landscape interest around and near the pine, which is 29 years old so ...
5
votes
1answer
60 views

pine pitch, lots of it

We have 2 big pine trees in our backyard that give off a lot of pitch. My dog is covered in it, my shoes get covered in it, its everywhere!!!!! What is the best ground for reducing the pitch's ...
3
votes
2answers
90 views

Can someone help me identify this bonsai sprout?

I planted it from a Bonsai kit. The seed packet is labeled as Black Pine seeds but, in comparison to photos online, these sprouts seem suspicious. Another sprout came up, it looks more like a pine ...
4
votes
1answer
90 views

What companion plants will help the growth of young pines?

I recently planted a 2m (6.5ft) high relatively young Pinus pinea in zone 8a (−12.2 °C, 10 °F). It is going well so far. I tried to find out what plants I should grow in its vicinity that would help ...
3
votes
1answer
94 views

Should I remove or leave the plastic around the trunk of my new tree?

This tree arrived today to me via mail: (Click on the pictures for larger view.) It is wrapped in several layers of plastic. I plan to plant it in couple of days. I will remove the plastic ...
3
votes
1answer
103 views

Pinus pinea close to the house

How dangerous is to plant Pinus pinea 3m (10ft) from the house? The house has only one floor, so I gather the crown will not interfere with walls and roof. The situation would be similar to the one ...
5
votes
3answers
447 views

Growing Pinus pinea in zone 8a - possible?

A nursery in my area happens to sell a rare kind of pine: Pinus pinea (also known as umbrella pine, parasol pine, or stone pine). I a kind of fell in love with this plant: it is a gorgeous kind of ...
3
votes
1answer
63 views

Baby pinus indentification

I got these baby pine plants from a friend, which I want to nurse for bonsai, however I don't know which species they are. The plants are from seeds, and my friend told me he got the seeds from a cone ...
6
votes
1answer
694 views

Will dead pine needles on top of new grass seed prevent the grass seed from germinating?

I recently removed old roots, weeds and grass from a small area in front of our house. I had some leftover mushroom compost, so I built up some areas to make the entire area level, but now it seems ...
8
votes
1answer
94 views

What is wrong with these pine trees?

There are a line of pine trees in my development, and two of them seem to have a disease. I was hoping someone could identify what is wrong with them. They seem to both have the same problem (part of ...
5
votes
1answer
90 views

Large excretion of sap from Austrian Pine

I noticed a large clump of sap in my lawn, and determined that it came from the Austrian pine tree nearby. (I didn't know what it was at first because of the color, but it had a strong pine odor). A 3-...
4
votes
1answer
172 views

improving a privacy tree barrier

I have a row of 5 Blue Point Junipers, with 6ft spacing. I initially planted per guidelines, but learned later that I could reduce the spacing to create a wind/privacy barrier. What I'd like to do ...
5
votes
1answer
265 views

Disease on a Pine tree? Or is it Bugs?

We moved into a new house last year, and this summer we are noticing that the tree is oozing a lot of sap and has began to drop pine needles while other needles are starting to turn a light brown ...
5
votes
2answers
282 views

Vanderwolf pine root rot

I have a Vanderwolf pine tree, Pinus flexilus 'Vanderwolfs'. About a couple of weeks ago some of the needles started turning brown. Didn't pay too much attention, but then I noticed it was getting ...
7
votes
0answers
182 views

Pinus sylvestris yellowing problem

I'm pretty new to gardening and I recently (~2 weeks ago) got a Pinus sylvestris 'Fastigiata' plant and I noticed that some needles started to yellow. Here are a few pics:- The yellowing is mostly on ...
2
votes
1answer
81 views

Pine seeds which I planted two months ago grew early. What should I do?

I don't know much about gardening. But I want to. I always wanted to grow many bonsai trees in my home and exotic trees in my garden. So like two months ago, I picked pine cones from ground and ...
9
votes
2answers
704 views

What is this pine tree with long pendulous needles and vivid purple flowers?

Having looked around the net I think the tree in the photos here is a Western White Pine - certainly the cone seems to suggest that - but the very long pendulous needles and the vivid purple flowers ...
6
votes
2answers
70 views

Pine sawfly eradication once and for all

I have a mature Mugo Pine that is looking rather haggard these days due to pine sawfly larvae chowing on it year after year. I first noticed them two summers ago. There were so many of them that I ...
10
votes
1answer
50 views

Newly planted pine tree saplings

What are the best ways to care for my new baby loblolly pine trees? Thank you!
5
votes
1answer
172 views

Why do my potted plants have stems but no branches?

I have more than 10 plants on my balcony, and almost every one of them has long stems with no branches. We water them every morning, and the sunlight is good. They are like this throughout the year. ...
5
votes
1answer
2k views

How Do I Rehabilitate my Norfolk Island Pine?

We have a Norfolk Island Pine that was doing reasonably well...until we moved. Unsurprisingly, being packed up in a wardrobe box and driven across the country in a moving van (this was in December, so ...
5
votes
1answer
40 views

Is it 'too late' for our christmas tree (picea abies I think) when the needles start falling off?

So we got a christmas tree in a pot this year. As far as I can work out it is a https://en.wikipedia.org/wiki/Picea_abies. I know it won't have been grown in the pot, and the roots are probably not in ...
5
votes
3answers
966 views

One quarter of the roots of a 50' tall white pine were cut off. Can I save it?

About one quarter of the roots of a 50 foot tall white pine were cut off at the drip line, all on the same side. Can I save this tree?
6
votes
3answers
2k views

How to keep pine trees small

This is a picture inside Montreal's botanical garden at the entrance of the Japanese garden. In this picture we can see 5 small pine like trees along with thyme and rocks. I would like to recreate ...
3
votes
1answer
61 views

Can a black pine be dug in late May during candle growth?

We need to have 15 black pines in the 12 - 14' range dug for a client. The nursery says they'd like to wait 3 weeks or more until the candles harden off more. Due to construction and staging ...
4
votes
1answer
133 views

What's wrong with this dwarf white pine?

This pinus strobus nana is about four years old and has done very poorly this year. Alkaline clay base soil with a full sun, south exposure and a mulch of pine needles. The soil has a ph of a little ...
8
votes
3answers
707 views

Do pine beetles kill healthy pitch pines, or is it safe to plant seedlings to replace trees killed by them?

We need to remove a number of trees that have been killed by some kind of pine beetle - presumably black turpentine beetle - on eastern Long Island. These trees had suffered injury from salt spray ...
16
votes
1answer
10k views

Does a pine needle mulch make your soil acidic?

This article from Colorado State University states that alkaline soils resist change but several years of heavy pine needle applications would create a somewhat more acid soil. This article ...
3
votes
2answers
494 views

What's the best N-P-K ratio for Norfolk Island Pine?

What's the best N-P-K ratio for fertilizing Norfolk Island Pine? According to this article I should go with 10-10-10. Is it a good combination? Also, how should I apply it? Should I spray it on, or ...
6
votes
4answers
12k views

Why does my Norfolk Island pine tree have brown needles and drooping branches?

My Norfolk Island pine is not doing so well; the needles are turning brown and the branches are drooping. Why did this happen to my plant, and how can I cure it? Click photos for full size
6
votes
2answers
2k views

What is the effect of candling pine evergreens?

I recently purchased a dwarf evergreen (a Japanese White Hagoromo and a Japanese Black Pine) and was instructed by the salesman to twist off all of the "candles" at about the halfway point once they ...
1
vote
1answer
134 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 ...
10
votes
3answers
78k views

How far will pine tree roots spread?

I have a very tall pine tree in front of my house. I am about to start work digging up my downstairs floor and re-doing it. I'm just wandering if before I start I should look further into the roots of ...