Moonstone??? 13, 2014

Can someone in a colder winter zone then me tell me if Moonstone (HT) is winter tender or not?? I was out walking around the garden today (in the snow) and I noticed all the canes (5) on my Moonstone were black from top to bud union. I don't know if I just got a weak bush or if this variety just can't handle the cold. This would have been it's 3rd spring. It never impressed me all that much during the past 2 years. I grew it in Fl and it was a fantastic bush with big beautiful blooms all the time. I was kind of hoping I could get the same thing up here in Northeast GA. The ONLY HT I have lost to winter since I moved up here (2008) was a product of Moonstone, Falling In Love. It lasted 2 years. I think maybe it was trying to tell me something as it died. I know I haven't grown St. Patrick because of all the negative response's it has for being winter tender. I just never heard anything about Moonstone. Those who know, should I try again or not. I don't want to waste time and garden space on something that won't work for me.

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Does not like Chicago.

    Bookmark   February 13, 2014 at 6:53PM
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diane_nj 6b/7a

Ken, it is fine here and in SE PA. It is tender in northern PA.

    Bookmark   February 13, 2014 at 8:03PM
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I've had it for 5 or 6 years, on Multiflora rootstock planted deep, & it has always come back just fine. Most of the above ground cane dies back, but cut it back to ground level, give it some high N lawn fertilizer for the first feeding & it always does well.

This post was edited by wirosarian on Fri, Feb 14, 14 at 0:16

    Bookmark   February 13, 2014 at 9:08PM
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the_bustopher z6 MO

My Moonstone has done fairly well for me here in the Kansas City area, but its flower quality is highly inconsistent. As for your situation, it may depend on what rootstock you have. If you have a multiflora or Dr. Huey you may be okay. If yours is on fortuniana, it might be a different story depending on how cold it has been, and from the weather reports I have seen, it has been a mess down there in Georgia. I have a number of roses whose canes turn rather dark to black, but they seem to come out of it okay unless the canes are dry and brittle. Then they are gone.

    Bookmark   February 13, 2014 at 11:40PM
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hoovb zone 9 sunset 23

I think there are better in that color. It usually had split centers for me, perfect form was rare. Flower-wise, 'Louise Estes' was much better, or 'Mavrik'.

    Bookmark   February 13, 2014 at 11:55PM
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Susanne27(5a Ontario Canada)

Wirosarium - what does a high nitrogen lawn fertilizer do for the rose? I was just wondering because my roses die back to the ground over winter.

    Bookmark   February 14, 2014 at 9:30AM
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Susanne27.....In my z4 area, the above ground canes of tender roses like HT's, Gr', Fl's, etc. are usually completely winter killed. As a result I prune these roses back to 3 to 6" tall in late Apr. Before these roses can produce flowers, they have to grow some new canes & leaves (green stuff) & what grows green stuff?... nitrogen. I use a heaping 1/4C on a HT size bush & half that amount on a smaller Fl size bush. The lawn fertilizer has a "N" number around 28-30, & remember to check that it is NOT a 'weed & feed" type lawn fertilizer.

    Bookmark   February 14, 2014 at 12:12PM
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Susanne27(5a Ontario Canada)

Wirosarium. Thank you for the information. I am actually a zone 4 according to the US zone map. I will make note of this information and put it to good use in the spring.

    Bookmark   February 14, 2014 at 1:50PM
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It was a Weeks potted rose I bought at a nursery in another town 25 miles down the road. On Dr. Huey. It must have been a weak bush. It grew OK the first season (nothing to write home about) then kinda just sat there. It was planted between Peace (on Dr. Huey) and Crystalline (on fortuniana), both big healthy bush's. I'm going to give it another try. Hoovb---I already grow Louise Estes. 6 huge bush's of Louise Estes. My favorite rose. I'll be getting 4 bush's of Mavrik this season. I grew it in Fl. and loved it. the bustopher---It's been cold but no dry, windy type of cold. Very rarely anything below 10, with most of the low temps in the 20's. Believe it or not, fortuniana root stock seems to do very well in my area. I've got about 30 bush's on fortuniana and have never lost a rose to the cold. When I plant, the bud union is at or below ground level. During the winter everything is buried under about 18" of oak leaf's. As far as root stocks go (huey, fort., multiflora), I haven't found any that don't do well in my area. This makes for enjoyable gardening.

    Bookmark   February 14, 2014 at 5:53PM
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kentucky_rose zone 6

I think I purchased Moonstone from Edmund's the first year that they offered it. It is winter tender some...not as much as Falling in Love and St. Patrick. Each spring I prune Falling in Love close to the ground. It amazes me how it will grow back....if it ever dies I probably won't replace it because of the the bloom. Moonstone is a more vigorous bush in my garden and lots more blooms. You probably just got a not-so-good bush. I think that happens to me sometimes. Definitely bury the graft/bud union a couple of inches deep. I'm anxiously awaiting to see what makes it in my garden. I did NO winter protection!

    Bookmark   February 15, 2014 at 12:30PM
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diane_nj 6b/7a

Cajun Moon might be better. My Moonstone always has split centers too, and I'm hoping it dies under the snow (I know that it won't, but I'm digging it out as soon as the bed thaws).

    Bookmark   February 16, 2014 at 12:18PM
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