For questions about trees: selection, planting, care, diagnosis, pruning, etc.
8
votes
1answer
237 views
What causes spruce branches to drop their needles?
I have a spruce tree that has a problem. Every year, some branches suddenly drop all of their green needles and die. I would like to prevent this, but I don't know what the cause is. What causes this ...
4
votes
1answer
30 views
How to get rid of Smilax aspera
I need to clean and restore an old olive plantation which was not cultivated for around 20 years and is now covered with weeds, bushes and spruce tree. I'm new to olive trees but have clean almost ...
3
votes
1answer
34 views
How do I water my full grown cherry tree?
I bought a house three years ago, the cherry trees appeared to be fruitless. This year they flowered and now have cherries all over them. They are very large adult trees. Do I water them? How often ...
2
votes
0answers
78 views
Mexican Avocado tree grown indoors 1½ years old has round spots on leaves
I have a Mexican Avocado tree growing indoors in the winter (we live in the Northeast) outdoors in the summer. It has developed white round spots and the edges to the inside are becoming brown and the ...
2
votes
0answers
103 views
What is this leaf miner / tenter in my small bush/tree?
I have a small bush/tree. I don't know exactly what it is. What I see is the new growths folded over onto each other, and connected together. When I pull them apart, I can find tiny white worms with ...
1
vote
0answers
29 views
Transfering a swamp oak from pot to ground
I have an interesting project going. 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. The ...
0
votes
0answers
28 views
Help identifying plum tree
Location: Maine
Fruit: blue/purple, small, oblong (long)
Blooms: small, white
Leaves: small
Tree:
more bush like - no single trunk, 4-5 main branches split off at base
at ground
10' tall/wide
...
