Coniferous evergreen, genus *Picea*

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3
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1answer
106 views

What are these weird lumps on this spruce tree?

There's a spruce tree growing in a park near my house. It has lumps like this on a lot of the branches. After a while, some of the lumps look like this: Is this a disease, or just a part of the ...
5
votes
1answer
252 views

When to transplant spruce tree sprout from a small bucket

I have a small sprout (30‒40 cm) of some species of spruce tree that is native (or at least welcome) to the Rocky Mountains of North America (purchased from the local Fish and Game Department’s nature ...
2
votes
2answers
370 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 ...
6
votes
1answer
358 views

Is there a way to compost these spruce needles?

I have a pile of about 4 bushels of spruce needles, and want to use them. Is there a way to compost them to use on garden plants? Do I have to add lime or ashes or other alkaline material? I know I ...
8
votes
1answer
502 views

Should my spruce tree roots be covered?

This Norway spruce's roots have always been on top of the ground. The soil it is growing on is very hard white dry soil with a layer of decayed needles on top. It has been growing fine so far, but ...
8
votes
3answers
1k views

How long does a Norway spruce tree live after being cut down?

We cut down one from our land every year for Christmas. This year I want to get it a bit earlier than usual (like this weekend), but we're not sure if it will be dead and horrible before Christmas or ...
4
votes
1answer
928 views

How can I grow Norway Spruce from seed?

My spruce trees produce hundreds of seeds, but when I plant them very few germinate and the ones that do don't overwinter. I was sowing them in fall to overwinter and sprout in spring in acidic, ...
9
votes
1answer
420 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
101 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?