Gardening and Landscaping Stack Exchange
Gardening and Landscaping Stack Exchange

Questions tagged [conifers]

Cone bearing, boreal to tropical, largely evergreen trees and shrubs, e.g., Pines, Cedars, Cypresses, Podocarps, Kauri, Firs, Larches, Hemlocks, and Yews.

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What is this cone-shaped tree?

This tree is growing in a garden in Johannesburg, South Africa. I'm pretty sure it's evergreen (turns out it's not). I'm not sure whether or not it is indigenous to this area. Click on pictures for full size. UPDATE: I had the opportunity to…
Richard C
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Are my Emerald Arborvitaes recoverable?

I bought 31 thujas a couple of months ago and some of them are really struggling. I installed a drip line a week ago, but am wondering if these trees are completely dead. Here are a bunch of pictures. Click on them to see larger views. Is…
Kirk Ouimet
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water use for blue spruce outside natural environment?

I live below the natural range of blue spruce in a hot grassland habitat. How much water does a blue spruce need to thrive in this hot dry landscape?
patrice
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Keep conifers green in winter

I live in zone 3, central Alberta. Temperatures are well below freezing for 4-6 months of the year, with cold snaps lasting weeks between -20 and -35 C. I have noticed that some conifers go quite yellow in winter. One cause of this: Once water…
Sherwood Botsford
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When should I harvest balsam for balsam bags?

I've found plenty of information about when to harvest balsam for making wreaths, but I really don't care about if the needles stay attached - I'm actually interested in if there are specific times when I should harvest so that they maintain their…
Joe
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How far apart should I space Thuja 'Green Giant' evergreen trees?

If I wanted to plant several Thuja plicata x standishii 'Green Giant', how far apart should they be placed, or does it matter? Some evergreens seem to like being planted close together (and growing into each other), some seem to like being planted…
Sam Whited
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How much seasonal, internal die-off of Arborvitae is natural and expected?

How much "natural" (i.e., without damaging factors) die-back from the inside of an (otherwise healthy) arborvitae hedge should be expected each year? Stated another way, would an arborvitae in ideal conditions experience any natural, seasonal…
hoc_age
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What type of conifer is this and is it OK near a house?

I need help identifying this conifer. Also, it is standing really close to a house (about 6-8 feet, some 2 meters). Can its root systems be harmful to the foundation or sewer line (which by the way is close by)? It is about as high as a 2-story…
Viccari
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Exposed roots in a juniperus bonsai, plus probable fungi problem

A friend of mine has a juniperus bonsai similar to this, but it is not doing well recently. I noticed its top roots are now outside of soil, which I find not good, and I am about to suggest my friend adding a thin layer of a good substrate to cover…
VividD
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What plants are these dwarf coniferes? How can I improve my case?

Can anybody help me to identify these plants ? Or recommend me something similar? I am trying to fix the below. Suggestions are welcome (what you see below was done by the previous owner-this is a last year picture) Update: I am thinking about…
MiniMe
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How fast does a Thuja hedge grow after being burnt?

A fire destroyed about 40cm of the upper part of my Thuja hedge. I have 2 questions: Should I cut off the burnt branches to help regrowth or can I leave it as it is? How long will it take to grow the 40cm back again?
drake035
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Can I prune conifers in the dead of winter?

Is it a bad idea to prune conifers when the ground is frozen solid? I'm thinking about going up about 7' on a 30' tall tree.
black thumb
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Caring for noble fir seedlings (Christmas trees)

I am an amateur gardener turned Christmas tree grower. Before I cared for cacti (can't really underwater) and venus flytraps (can't overwater) and felt great that all my plants lived for many years. I now bought a bunch of Christmas tree seedlings…
Thomas E
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Can a very recently planted B & B cypress tree be moved 2'?

The Leyland Cypress is now blocking the view intended so we'd like to have someone move it a couple of feet to the left. Is this a cause for concern for the survival of the tree?
Bevy
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Making a leylandii hedge more bushy and thick

I have this long, very tall leylandii hedge, I guess the taller ones are approaching 40 feet high and one for thick trunks. Especially the older ones are quite sparse... Fine as trees but this is my privacy barrier from a main road both for…
Mr. Boy
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