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6 votes

What is this cone-shaped tree?

I believe it is a Dawn redwood (Metasequoia glyptostroboides) This tree looks and feels like a sequoia (and even terrestrial examples of bald cypress), but is not evergreen. Foliage turns red/brown ...
That Idiot's user avatar
  • 7,059
6 votes
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Making a leylandii hedge more bushy and thick

It seems your trees (yes, Leyland cypresses are trees) were never properly trimmed, more likely planted once and then left alone. Which means they behaved like all trees planted closely together: ...
Stephie's user avatar
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5 votes
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What is this ornamental conifer and is it dying?

This is the Bird's Nest Blue Spruce. I think. Picea abies 'nidiformus'...grins...If this went down that quickly, I'd look at the last fertilization (do you have an outside maintenance company), Blue ...
stormy's user avatar
  • 40.5k
4 votes
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How can I clone (propagate) a juniper tree from a stem?

At school for propagation of cuttings we were told "Cool tops, misty middles and hot bottoms." The "hot" part is there for dramatic effect; warmth is the point. The critical thing is to get the roots ...
Colin Beckingham's user avatar
4 votes

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

No. Most conifers, once cut down, will die, so if you removed all the trunk and topgrowth, the rootball on its own is the equivalent of incipient compost. Or doomed, dead, extinct, basically, not ...
Bamboo's user avatar
  • 134k
4 votes

What is this ornamental conifer and is it dying?

A big mistake many people make when planting trees and shrubs is to either plant them too deeply or mulch them too incorrectly. The fact that you had to scrape soil away from the trunk to get a photo ...
Jurp's user avatar
  • 19.7k
4 votes
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Designing small conifer compositions

One group won't work to make this look. You would need at least 3 groupings of the same species...5 groupings using the same species but differing amounts of each species, some groups without one or ...
stormy's user avatar
  • 40.5k
4 votes
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Can I prune conifers in the dead of winter?

Black thumb the middle of winter is just fine to prune anything. I prune a little on any and all plants any old time when I've got the pruners sharpened sterilized and in my hands. I love to prune. ...
stormy's user avatar
  • 40.5k
3 votes
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Is the fragrant substance in chopped Thuja leaves harmful to human skin?

Maybe, maybe not - some people may experience contact allergy symptoms on the skin from any coniferous plant, including Thuja. Thuja contains oil which has volatile constituents, and its resinous ...
Bamboo's user avatar
  • 134k
3 votes
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What to do with surplus thuja leaves after pruning?

Pretty much any organic material can be used as a mulch or composted, so yes you can do that. I personally toss stuff like that into my long term compost pile that I let break down for a few years ...
Tyler K.'s user avatar
  • 1,729
3 votes
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The bluest conifer of all time

It's hard to say - human colour perception varies between individuals,so what you might think is the bluest one, someone else won't.Your best option is to go and look at them in real life, in good ...
Bamboo's user avatar
  • 134k
3 votes

Making a leylandii hedge more bushy and thick

Everything that Stephie said is fine. However, the trimming would most likely work for the right side of the hedge (right side of the last photo), but for the left hand side, it would be a difficult ...
VividD's user avatar
  • 5,830
3 votes

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

Sometimes fast growing conifers put out lots of growth into the leaders and the soft new growth bends over. Usually it straightens on its own. If it hardens while bent, you can head it back a little. ...
J. Musser's user avatar
  • 51.8k
3 votes

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

If you've only just planted it, dig it up and reposition it if you want, if you think it'll look better that way. It may not grow from the side which currently has no branches anyway. Keep well ...
Bamboo's user avatar
  • 134k
3 votes

What is this cone-shaped tree?

There are two trees that look very similar, on is the dawn redwood and the other is the bald cypress, both trees are deciduous conifers. the main difference is the growth habit is slightly different, ...
Grady Player's user avatar
  • 5,182
3 votes
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Drying out of half of a norfolk island pine?

Norfolk Island pines are widely sold but not an easy plant to keep looking good in many homes. They prefer to grow in bright indirect sunlight where it is moist and cool which is unlike many homes. ...
kevinskio's user avatar
  • 60.1k
2 votes

What type of conifer is this?

On the limited information available it seems the possibilities are numerous and, given the OP seems not to have revisited in nine months, little point in requesting further details from him. Anyway, ...
pnuts's user avatar
  • 96
2 votes

What is this cone-shaped tree?

It looks like a redwood tree to me: right foliage, right bark, right habit.
rivimey's user avatar
  • 321
2 votes
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What is the exact latin name of these juniperus cultivars?

About the two scientific names: (this answer the botanical nomenclature part of the question, not the cultivar nomenclature, which has a related code and so rules) Juniperus scopulorum and J. ...
Giacomo Catenazzi's user avatar
2 votes

What is the exact latin name of these juniperus cultivars?

If you give any credence to the RHS, both Juniper 'Skyrocket' and 'Blue Arrow' are now listed as Juniperus scopulorum, with Juniper virginiana listed as a synonym, see here https://www.rhs.org.uk/...
Bamboo's user avatar
  • 134k
2 votes

Juniperus virginiana and producing berries

Juniperus virginiana are largely dioecious, but occasionally monoecious, so it's safest to select male and female plants if you want to be sure of fruits/seedcases http://dendro.cnre.vt.edu/dendrology/...
Bamboo's user avatar
  • 134k
2 votes

What plants are these dwarf coniferes? How can I improve my case?

You are saying you like the first picture and the second is the actual picture at your home? Minime You are feeling and seeing the problem. The need to unify. We were taught that humans are only ...
stormy's user avatar
  • 40.5k
2 votes

Growing Ipomea near mid-sized conifer?

The biggest problem is being able to plant it close enough to your trees so that it can climb up them. Where you are this plant is only an annual, as it is in the UK, and reaches about 2.5 metres in ...
Bamboo's user avatar
  • 134k
2 votes

Exposed roots in a juniperus bonsai, plus probable fungi problem

Photo would be useful, but essentially, a root flare visible at the base of bonsai is quite normal and actually often encouraged by certain pruning techniques when root pruning over time. It rather ...
Bamboo's user avatar
  • 134k
2 votes
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What is this dense erect sculpture-like bluish conifer?

Looks similar to https://en.m.wikipedia.org/wiki/Chamaecyparis_lawsoniana. Mine is ‘Blue Surprise’, quite blue indeed, and a favorite. [Edit] My guess is foliage differs between cultivars. See my ...
Larry Osterman's user avatar
2 votes
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Caring for noble fir seedlings (Christmas trees)

You biggest mistake is planting in soil in a pot filled with (potting soil or garden soil?) way too large for a seedling. Seriously. You have to start your seeds in tiny pots like 2" high by 1" wide ...
stormy's user avatar
  • 40.5k
2 votes
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Should I add more soil to my bonsai seedlings

It looks as if the third one has had some soil washed aside around the base of the seedling so that some fine roots are visible. You can certainly top that up to cover any roots, but not so much it ...
Bamboo's user avatar
  • 134k
2 votes

What caused the crazing under the bark of this conifer?

Those are tunnels of some kind of borer - the larvae make the galleries when they feed on the tree. It's possible that the borer did indeed kill the tree, but without knowing the genus of the tree it'...
Jurp's user avatar
  • 19.7k

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