New witch's broom discovery

11 years ago

Not my find, exactly, but I was accompanying one of our Oregonian conifer friends when he exclaimed, "Look at that!" pointing excitedly to the witch's broom.

Enjoy!
{{gwi:644556}}

-Sam

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Comments (17)

coniferjoy
11 years ago
Very nice find!
It looks like a fast growing broom of Abies pinsapo...
maple_grove_gw
11 years ago
Nice find! I wonder if it will retain that globose shape on propagation...

Is the mother plant a species pinsapo or is it a cultivar (and, which one)? The branch tips appear to have a golden hue - is the same true of the rest of the tree?

Alex
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george, cutting from the outgrowth? or tip cutting of the branch? why? what do you mean "behave"? kt, the leaf color is better on the outer leaves that get more sun. can't find much about Diablo and Nana without stumbling on Summer Wine. The reference above from Fine Gardening is the only clue that this is not uncommon for the genus. http://www.taunton.com/finegardening/plantguide/genus/physocarpus.aspx? I did find out that "witches broom" is a fungal disease. I can't figure out if its fatal or not. I only got this plant this spring. I am going to bring this pic to the garden center and see if any other customers had same problem. Now... if only I could remember where I got it... :(
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Cascadians, the type of tree you seek is what most species of trees are naturally. You live among some of the biggest, fastest growing trees in the world out here in the Pacific Northwest. Cultivars mostly reduce the scale, which is handy for gardening purposes, not to mention kind of cool. Some cultivars also toy with colour (Larix 'Blue Rabbit' perhaps?) or density (Chamaecyparis lawsoniana 'Erecta' perhaps?) or droopiness (Chamaecyparis nootkatensis 'Green Arrow' perhaps?) or other qualities. But if it's big and fast you're after, you don't need to navigate through the amazing selection of cultivars available; look no further than various species trees. And maybe then indeed you can find cultivars for others. By the way Kman, nice find! KarinL
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mirek_l
11 years ago
Beautiful !!!!!
monkeytreeboy15
Original Author
11 years ago
The original tree is an Abies pinsapo 'Kellaris'.
The broom appears to be about 4-5 years old.

-Sam
coniferjoy
11 years ago
'Kelleriis'... ;0)
monkeytreeboy15
Original Author
11 years ago
Thanks, Edwin.

If it were in my collection, I would no doubt know the proper spelling: It won't happen again. ;-)

-Sam
treeguy_ny USDA z6a WNY
11 years ago
Awesome find! I wish I could reliably grow A. pinsapo here in WNY. I may try an A. pinsapo 'glauca' grafted onto A. firma just for fun this summer. We'll see how long it survives.

Isn't A. pinsapo 'Kelleriis' supposed to be more cold hardy than the straight species? What are the chances this broom will share the same trait?
gardener365
11 years ago
Cool, interesting bud mutation. Foliage looks same size as species and is growing quick for a new mutation, however the culitvar 'Kelleriis' appears glaucous on Google images. Here it's definitely a golden color mutation and not a combination of mutations overlying from the original. I'd call this a sport, indeed.

Dax
gardener365
11 years ago
If more hardy a cultivar which I don't know Evan, you know more than I do, surely the new mutation also carries those genetic traits.

Dax
Ruslan.Hupov
11 years ago
yes it is a miracle! I sure have something very nice!)))
firefightergardener
11 years ago
Dax I don't think it's a gold WB, I think the gold coloration is from stress. The rest of the needles(older ones) appear more blue or normal color.

Great find though, Abies pinsapo brooms are pretty rare!

-Will
gardener365
11 years ago
I don't think it's a wb's at all. Wb's have shorter needles than its host.

Dax
treeguy_ny USDA z6a WNY
11 years ago
Dax, is that really part of the definition of a WB? The WB I found on P. sylvestris 'fastigiata' ('Bailey's Upright') had needles that were full length. Would that make it a sport instead of a WB? (sorry to go off topic)
gardener365
11 years ago
Yes, the needles are shorter. Did you measure the needles of your wb with the needles of the tree it was found on?

I've never seen a wb with the same needle length as the host. wb's on wb's also have shorter needles on the newly formed wb.

Dax
coniferjoy
11 years ago
The needles of an Abies pinsapo are pretty short by itselve, so needles of a witches' broom of this species can't be more shorter.

To me this is a witches' broom, all branches started on from one point...

Sam, is it grafted by now?
monkeytreeboy15
Original Author
11 years ago
No, it hasn't yet been propagated.

Perhaps I'll get a few scions...
Thanks for your interest, everyone.

-Sam
treeguy_ny USDA z6a WNY
11 years ago
Hey Dax,

I did not measure the needles on either. Based on a rough guess, they're about the same size though. I will be visiting Ithaca this summer and will have to measure the needle length on the tree and its witch's broom!

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New witch's broom discovery

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New witch's broom discovery

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