Questions tagged [pines]

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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 ...
3
votes
0answers
40 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°...
2
votes
2answers
126 views

What's wrong with pine tree?

I’m updating the thread to post a recent picture of the pine tree. As you can see, the tree’s looking worse. I moved it to the balcony so it would receive more sun, but it hasn’t helped: This is the ...
1
vote
0answers
25 views

Ornamental scot pine dying

Purchased two of these about three months ago. One is doing great. The other seems to be dying quickly. About a month ago I notice it starting having dead needles. Each week it's progressively worse. ...
1
vote
0answers
35 views

ID pine by cones and seeds

Can anyone ID a pine by its cones and seeds only? I collected some cones for seeds (starting material for bonsai). I know of a little field in the outer regions of Amsterdam, where there are some pine ...
1
vote
3answers
69 views

Monkey Puzzle Tree (Araucaria araucana) shedding seeds in Summer

I own a large, glorious Monkey Puzzle Tree (Araucaria araucana) that overhangs my driveway, the driveway of my neighbour and the public footpath. It's a female tree, roughly 50 feet high perhaps and ...
0
votes
1answer
29 views

Can a mature pine trunk curve in a few months?

I am in the "piney woods" , temperate rainforest of east TX . Three months ago I had a large oak ( 18 " diameter, 70 ' tall) removed ; it was about 4 ' south from the patio, 12' from the house. There ...