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

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12
votes
2answers
926 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 ...
11
votes
2answers
1k 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" ...
12
votes
1answer
1k views

Best help for a tree with stunted growth?

I have a few trees on my property which are at least five years old (sorry I don't know the kinds yet). Compared to other trees in neighboring lots, planted at the same age at the same time, they are ...
12
votes
1answer
447 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?
11
votes
1answer
763 views

What are the ideal soil conditions for planting giant sequoia saplings?

I've already germinated giant sequoia (Sequoiadendron giganteum) seeds for 6 weeks. What's the ideal soil conditions for planting the saplings?
19
votes
5answers
3k views

What is a fast-growing deciduous tree for shading house in summer? (Long Island, NY)

My town recently took down a large 80 year old maple tree that sat on the south side of my house. Unfortunately that tree provided much-needed shade and now I have already noticed very high ...
20
votes
2answers
810 views

How can I revive a tree that's been stripped of bark?

I've got what I think is a cedar tree in my backyard that is missing most of its bark on one side from the ground to about 4' up. (Thanks to my puppy who is a shredding machine.) The branches next to ...
2
votes
3answers
424 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 ...
11
votes
2answers
114 views

What are some tips on planting large plants?

When planting large plants, like trees or large shrubs, I've always dug a hole larger than the root ball, filled it with water, and then suspended the root ball in the water and used my hand to ...