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Just ordered these seeds, since in pretty sure I killed my tripetala seedlings
The species M Borealis is said to get 25 feet tall, and is hardy to zone 4. This var is said to reach upwards of 75 feet over 50 years, and is hardy to zone 3 (roughly -38C). I think this is the best bet I have for trying magnolia here. IF the hardiness ratings are right, it should have no problem.
It is supposedly similar to M stellata, and stellata is sometimes treated as a var of kobus.
Anyone have any experience with the species or var in question?
"The definition of insanity, is doing the same thing over and over, and expecting different results" - einstien
jesse- Methinks this variety will be tough enough for zone 3. I don't think that the var. borealis is taxonomically valid (i.e. no stable distinguishing features) but it is horticulturally useful! Good luck!
Well, there definitely isnt too much to go on when you google. No pseudonyms that I can find either. The place I ordered from says its a "subspecies of M. kobus", and lists it the same as I titled this thread.
The only real information I can find is that it gets larger then the species and is supposedly hardier, what ever the proper name is.
"The definition of insanity, is doing the same thing over and over, and expecting different results" - einstien
It is a variety, not subspecies. In fact, var.borealis is just plain Magnolia kobus. You will not see the difference.
It needs light acid soil, semi-shade and moisture.
andryi - Most of what ive read places it as a variety, but as paul said, there is some argument as to the validity of the name.
The things that do in fact seem to stay consitant, is that borialis gets larger then kobus, and is a bit hardier. Most sources state hardy to at least -35C. Stellata has the same general hardiness rating does it not? Kobus is hardy to at least -30C from what i have seen
"The definition of insanity, is doing the same thing over and over, and expecting different results" - einstien
marceli wrote:Magnolia hardy to -38C ? Never heard of such plant
Moreover, there are magnolias hardy to -40-45C.
The hardiest of all magnolias are Magnolia tripetala (Umbrella magnolia), Magnolia acuminata, Magnolia sieboldii, and Magnolia kobus (also M.kobus var.stellata and M.kobus var.loebneri).
Andriy wrote:The hardiest of all magnolias are Magnolia tripetala (Umbrella magnolia), Magnolia acuminata, Magnolia sieboldii, and Magnolia kobus (also M.kobus var.stellata and M.kobus var.loebneri).
