MYJM's that survived the winter of 2006 in zone 5

18 years ago

Here is my list as promissed that i also posted at Dave's garden since many of each don't cross over sites...In fact ALL of my Jm's survived last winter... but these are just the named cultivars All were 2-4+ years old most being 4+ and planted last summer and fall ( I firmly believe that larger, older plants with well established root systems have the best chance to survive this zone's winter conditions)... Most are in somewhat sheltered areas...all are planted out in the ground and heavily nulched with red cedar mulch only...NOT in pots ....some are VERY exposed...all thrived with but a couple with slight die back on a few top branches .....and that may have been from last summers heat/sun on newly planted cultivars ...not necessarily winter. We had little snow but a mild winter. Only about a week of single digit below zero nights( -5 to -10) and mid teen days ( aropund 15 for highs)...but that period was without snow cover which is significant since snow insulates from cold and is i believe beneficial in this area!! Most of feb was in the mid 20's days and mid teen nights. I had NO early budding on any of these varieties even during warmer winter spells ( early March) and most broke bud in early to mid april... a good sign for late frosts... Email me personally with any questions.... Please feel free to post your results the more actual zone info we have the better since there seems to be no agreement on zone survival...If you do post be as specific as possible on conditions placement of plants ...etc like I have.

atrolinair

red baron

orangeola

red dragon

berimma bridge

red emporeor

yubae

tamakuyama

fireglow

umegae

kasagiyama

beni otaki

shojo nomura

oshio beni

inaba shindare

sumi nagashi

red pigmy

crimson queen

ebony

aka shigitatsu sawa

Omurayama

Some spellings may be wrong didn't check 'em LAZY huh ;>) David

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Comments (7)

mckenna
18 years ago
Well, my Bloodgood and green seedling palmatum made it without surprise as well as everything in pots in the garage. Next year will be the test as I will have a lot more in the ground, still nowhere close to your number. Sounds like you had a banner year of planting last fall Dave. Spelling errors on two websites, tisk, tisk, tisk... My spelling is usually brutal with English, but better with cultivars.

Oh, my two that are in the ground get protection from the west and south from mature spruces and all I did was mulch heavily with black cyprus mulch (that is all they had left late in the season).

Willis_mckenna in DG
lalalandz5b
18 years ago
This list are the 1's I have had for several years & bought locally as larger specimans & have never experienced any die back:
Ever Red
Emperor 1
Waterfall
Fireglow

This list are the 1's are received last spring via mail order from several sources which are 1-2 yr grafts. All in ground with no protection except for a few which I will mention:
A.s. Autumn Moon
A.p. Seiryu
A.p. Goshiki Kotohime
A.p. Butterfly (2nd winter)
A.p. Shishigashira
A.p. Omure yama
A.p. Ukigumo
A.s. Aureum*
A.p. Ariadne*
A.p. Peaches & Cream*
A.p. Shigatatsu sawa
A.p. Aka Shigatatsu sawa
A.p. Higasayama

*= protection with old nursery pot with brick on top. These are the 1's I received from 1 particular mail order place & are VERY small. I was afraid the dog or myself would step on them when not seen with snow cover.

All are just starting to leaf out now with no die back whatsoever.

I wouldn't classify this last winter as a true test though. January was unusually warm. February was back to normal with 1 weekend hitting -7F.
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doniki
18 years ago
I've been concerned about cold hardiness reg. Jap. Maples here in OH. David and others have given me much reassurance and I plan on expanding my collection... I'm basically in zone 6a and in the city. We got down to about 3F or 5F one night with a few others between 5F and 10F. It was mild, so not a good test of hardiness... But, here are some that have survived the past few years down to at least -5f are:
Aka Shigitatsu Sawa
Oridono Nishiki
Koto no Ito
Crimson Queen
Murasaki Kiyohime
Butterfly
Ukigumo
Shishigashira
Johnnie's Pink
Virdis
Toyama Nishiki
Sango Kaku
Beni Hime
Ueno Yama
Peaches and Cream

This year I'm trying:
Higasayama
Beni Tsukasa
Beni Komachi
Sagara Nishiki
Tsuma Gaki
& hopefully more (wish me luck)

Would love to hear from people growing palmatums in zones 5 and 6... what has worked for you? thanks.. Donny
tree_oracle
18 years ago
Even though you guys are in z5, you are describing temps that are z6. I'm not shocked that your maples did well with z6 temps. I've had a Suminigashi and a Fireglow for 4 years that are fully exposed to the elements including a lot of wind and they never suffer any dieback with z6 winter temps. The two winters prior to the last one were unusually cold in my area with temps dipping down to -10 to -15 degrees several times and I saw some dieback but it was minimal. Both trees were 3-4 ft tall and well-branched when I bought them so I'm sure their maturity helped them get through the really cold temps. A smaller tree may not have fared as well.
myersphcf
Original Author
18 years ago
Tree... all responders have posted it was a mild winter....but this has to start somewhere and over the last 5 years all winters have been mild in my area. Alot of things come into play as far as cold temps ...snow cover, winds, duration of...etc...It might have been -15 for one night or three then single digits for the rest of the week or two weeks then in the 30-40's the rest of the winter is this a mild one or a test?? there might have been a cold snap of 10-15 above in mid march preceeded by 50 degree weather during pre budding or early budding. The purpose of this is to get things started with a yearly review ...I will cut and paste my previous years comments next spring.And with global warming who knows whether we will get a severe winter in the next few or not... We usually get a short period of a week or less -10 to-15 at night and around zero during the days in many winters but not lately and many times with snow cover which probably raises the actual temp of the soil 10 degrees through insulation ( just a guess but someone here will know or google it)... I think over time if we keep this up we will know alot cause

I DON'T think anyone really has studied the zone survival rate for most plants ( although for many plants that have been around for ever there is obviously knowlede of those that don't survive in certain temps vis a vis zones) especially JM's and it's more of a CYA thing for growers...and many growers DON'T agree on zones if you check their web sites!!! If there is a secrete Ag dept. lab with black helecopters overhead that has somehow studies each of these cultivars and certified then for low temperature survival I would like to know where the heck it is and when the studies were done and how they were done.

BTW you live in MA .... I lived there for many years both in Boston and the berkshires and you may be z6 on the coast but even there... your winters vary greatly and there are some severly cold days and nights ...in fact the weather is not greatly differnt than from here IMHO and experience David
reball517
18 years ago
Just to add a few names that haven't been mentioned that have survived in my zone 5 garden the last couple of years:

Kiyohime (in pot, but covered in leaves)
Orangeola
Shirasawanum Autumn Moon
newgars
18 years ago
A. shirasawanum 'Autumn Moon' has done well for 5+ years here, 'Aureum' for 2 years and all 4 A.p. 'Robinson's Red' seedlings have come through their second winter in excellent shape. I'm trying A.s. 'Red Dawn' and 'Palmatafolium', A.j. 'Green Cascade' and A. 'Johin' (palm.xshira.) this year. Attached is close up of fabulous A.s.'Autumn Moon' fall color.

MYJM's that survived the winter of 2006 in zone 5

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mckenna

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MYJM's that survived the winter of 2006 in zone 5

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mckenna

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