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Questions tagged [conifers]

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1
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1answer
32 views

How do you go about identifying cypresses?

I'm living in the UK and recently gained an intrest for trees, the broad leafed trees are not that bad, but when it comes to the cypresses I still have no idea. I'm also pretty bad at some of the ...
3
votes
1answer
126 views

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.
3
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1answer
30 views

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. ...
4
votes
1answer
29 views

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?
3
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1answer
40 views

Is this tree healthy?

We have this tree in our yard, is this mold? Is it treatable?
3
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1answer
38 views

Growing Ipomea near mid-sized conifer?

Is it possible, and is it wise if it is possible, to grow Ipomea tricolor 'Heavenly Blue' so that it protrudes through mid-sized (9m/30ft) conifers? I think it could be an interesting aesthetic ...
5
votes
2answers
132 views

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 ...
3
votes
1answer
96 views

What is this dense erect sculpture-like bluish conifer?

Actually, there are two of the same species: They are 5m high at this time. Needles/scales are really small: This is in zone 8a.
3
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1answer
49 views

Is the fragrant substance in chopped Thuja leaves harmful to human skin?

I did some pruning of a couple of thujas for the first time in my life, and I noticed that the chopped thuja leaves have a strong scent that is different than the scent of leaves of other conifers. ...
2
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1answer
61 views

What to do with surplus thuja leaves after pruning?

We all know that there are tons of thuja leaves after pruning thuja hedges. Can thuja leaves be used as mulch (perhaps for acid-loving plants, let's say young pines, or vaccinum)? What if they are ...
3
votes
1answer
133 views

The bluest conifer of all time

I am creating a group of blue conifers in a small corner of my garden. A woman from a nursery I occasionaly order plants from claims that there is no bluer conifer than Picea pungens 'Edith'. Is she ...
2
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1answer
63 views

Designing small conifer compositions

I would like to have a couple of conifer groups in my garden like these: How to design them?
1
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1answer
35 views

What is the cultivar name of this golden-leaved juniperus?

What is the cultivar name of this juniperus:
3
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2answers
56 views

What is the exact latin name of these juniperus cultivars?

I am interested in 'Skyrocket', 'Blue arrow', and 'Blue haven' Juniperus cultivars. Most of the time, internet sites list them as belonging to Juniperus scopulorum species. However, sometimes they ...
1
vote
1answer
58 views

Juniperus virginiana and producing berries

As you may have noticed from other questions of mine, I am in a process of transforming my yard into a bird garden. (This is a long-term multi-year enterprise). One of the most attractive plants for ...
3
votes
2answers
141 views

What is this ornamental conifer and is it dying?

This ornamental conifer, which looks like some sort of blue spruce, has lived in this spot since at least spring of 2014, when it looked like this: I live in SE Pennsylvania, and it has appeared ...
4
votes
2answers
905 views

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 ...
4
votes
1answer
352 views

Why are my spruce trees' very long leaders bent over?

I have 3 Black Hills Spruce and one Australian Spruce with long Leaders. Two of the Black Hills Spruce are bent over. 1. What causes this? 2. What can I do to help the tree?
5
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2answers
120 views

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 ...
5
votes
1answer
117 views

How can I clone (propagate) a juniper tree from a stem?

I'm experimenting with vegetative reproduction, i.e. getting stems from a thin branch and replanting them after the branch develops some roots. I got a couple of stems from a nice Juniper tree beside ...
7
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0answers
62 views

water use for blue spruce outside natural environment? [closed]

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?
1
vote
2answers
123 views

What type of conifer is this?

While I was on my holiday in Greece, I passed by some nice looking conifers at one resort. I'm trying to find out what type they are. At first I thought they are some kind of thuja but now I'm not ...
2
votes
1answer
95 views

Is trimming up the branches of a conifer a bad idea?

I've seen people cut off lower branches on conifers so they could put stuff under it. Is this a bad idea for a 30 foot tall tree? Instead of hostas doing low PH food bushes under pine trees:
4
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1answer
98 views

Can I get a conifer to grow from a ball of roots?

Is it possible to get a new conifer from a ball of roots that I planted after manhandling the removal process to get some roots out? Example: side of part A:
3
votes
1answer
47 views

Will ground cover conifers grow branches on a former house side of the plant?

I was given a ground cover conifer for free, and accidently planted the side with branches in the wrong direction. Should I replant it, or let it grow out as is?
15
votes
5answers
1k views

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 ...
8
votes
1answer
124 views

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 ...
5
votes
2answers
334 views

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 ...
1
vote
1answer
2k views

Is the size of a conifer tree's root system proportional to the size of the tree

Is the size of a conifer tree's root system proportional to the size of the tree? By the same token will limiting tree size also have an effect on root system size?
7
votes
1answer
44 views

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 ...
2
votes
2answers
80 views

What's wrong with my Austrian pine and how can I fix it?

Lack of water is not the problem. We've had a very wet spring here in Chicagoland. Is this due to an unfavorable soil pH or something like that? click on picture for full size
3
votes
2answers
268 views

White spruce problem (yellow needles)

I bought this small spruce for Christmas (the label said it will grow up to 1m tall), it's a Picea Glauca 'conica'. I recently replanted it in a bigger container, because it looked quite constrained,...
4
votes
3answers
595 views

When and how do I trim these bushes?

We moved in to a house with bushes trimmed neatly, but well over the sidewalk. Do I trim this back all at once, or over a long period of time (months? Years?)? We are in southeast Michigan, and will ...
6
votes
2answers
3k views

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 ...
2
votes
0answers
179 views

How can I prevent my arborvitae trees from turning brown and dying every time I plant them? [duplicate]

I have replaced these Arborvitae trees 4 times. They keep turning brown. I cut out parts of the trees behind them, so they would get more sunlight. I Am watering them. Could it be a fungus? How can I ...
9
votes
4answers
1k views

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 ...
3
votes
1answer
3k views

Why are the leaves turning yellow on these conifers?

I have two kinds of conifers in the front yard. They are in a spot with eastern exposure, but the sunlight is somewhat blocked by a big house on the south side of the yard. They get a lot of shade in ...
2
votes
1answer
612 views

Dwarf Alberta Spruce Winter Burn [duplicate]

I have a Dwarf Alberta Spruce which is showing signs of worse-than-normal winter burn. Not only have the needles on the south side of the tree browned, but the new buds on that side also appear to ...
4
votes
1answer
207 views

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 ...