Mugo(?) pine yellow-brown needles

fotisrOctober 11, 2010

Hello all,

I've been enjoying your plethora of knowledge for some time now. Sadly, the first thing I wat to post is about my mugo (I guess) pine. Early August, when I put it in the ground it had beatifull yellow-green colors and very dense foliage. By the end of september, the older needles started to go more green and eventually brown, especially at the tips. Since then more needles have gone brown and it has lost many of them. This is more obvious on the north side of the tree.

I've uploaded some images on my site (which is irrelevant to conifers :-) ) but please see them for any insight to what is the cause. I couldn't bring the images down to 60kb and still be viewable so I posted them there.

August:

http://www.astrophotographos.com/apps/photos/photo?photoid=102234426

October:

http://www.astrophotographos.com/apps/photos/photo?photoid=102234186

Close up:

http://www.astrophotographos.com/apps/photos/photo?photoid=102234337

Also an identification of the cultivar would be great.

Thank you in advance,

Fotis

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pineresin

Here's your links made clickable . . .

August:
http://www.astrophotographos.com/apps/photos/photo?photoid=102234426
October:
http://www.astrophotographos.com/apps/photos/photo?photoid=102234186
Close up:
http://www.astrophotographos.com/apps/photos/photo?photoid=102234337

It's actually a cultivar of Eastern White Pine Pinus strobus. The brown needles are old ones that are dying off naturally �" EWP only has fairly short needle retention, compared to most pines. It is perfectly healthy.

Resin

    Bookmark   October 11, 2010 at 6:05PM
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jean001(z8aPortland, OR)

Eden so, I'd check the rootball for moisture status. New plantings can run short of water, thus exaggerating the "normal" needle loss simply because it's not yet rooted into the surrounding soil.

    Bookmark   October 11, 2010 at 11:41PM
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fotisr

Thank you very much guys. I thought it was pine strobus short after I posted, when I saw Dax's post where he has one Pinus strobus UCONN Gold seedling that looks a lot like mine. I will also make one or two deep waterings around the rootball to be sure.
Best regards,
Fotis

    Bookmark   October 12, 2010 at 2:36AM
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gardener365(5b Illinois USA)

Hi Fotis,

Don't, however, start watering any Pinus strobus on a regular basis. They do not like copious water and do like being on the dry side.

You plant is a graft and would have been grafted also too, to a Pinus strobus (seedling). What you do have is a grafted-cultivar, and not a seedling.

Hope that clears some things up, fer ya.

And yes, of course, what you see is only natural, needle-shed. One more tip: clean out the dead needles with your hands. Dwarf conifers (particularly pines) build up needles in the inner of the plant and if not maintained, these extra needles can choke/kill a plant. The same applies to needle-build-up under a plant. 3" of pine needles is great and is free mulch. 6" (you wouldn't even know it's there if I hadn't told you...) will choke a conifer, too.

Future Regards,

Dax

    Bookmark   October 12, 2010 at 8:43AM
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fotisr

Thank you Dax,
I'm just new (and passionate) in conifer collection. I have planted some conifer species' cultivars and I have several more on order, so I try to build up knowledge in aftercare like you guys. Although it's hard to find some exciting cultivars in Europe it still is so amazing and addicting!

I will remove dead needles by hand and use them to add to the mulch I've set for my other trees.

Can you please tell me how you post more than 60kb images, because later in october I might "feel" the need to post a gallery of my young trees...

Best regards,
Fotis

    Bookmark   October 12, 2010 at 10:22AM
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