Crown Jewel Gardenia

xdxdaustinMay 4, 2013

I was thinking of buying a Crown Jewel Gardenia but I was wondering if any growers have had any past experience with this variety for hardiness's sake? I would like to purchase 3 but I am wondering if Klem's Hardy or Frostproof would be a better choice, or if this is the way to go? I haven't been able to find much on this particular variety so I would like to see what others have to say! I realize this is more so on the northern edge of their range but my front yard has no trees and faces south so it should be alright.

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I have these 4 varieties of hardy gardenia's in ground (crown jewel, kleim's hardy, frost proof, heaven scent). So far the best performer is 'crown jewel'. I bought it as 1gallon plant and it grew 2/2ft in 2 years. It survived 2 winters and stayed green and hardly lost any leaves. Kleim's hardy did not perform well but frost proof and heaven scent are also doing well. I prefer crown jewel over other two. I am in zone 7a. Here is the pic of my crown jewel the 1st year. I am looking for another new variety that is 'summer snow' now.

    Bookmark   May 4, 2013 at 7:08PM
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Thanks a lot! I just ordered mine from some nursery named Wild Things Grow. It was pretty cheap too and I was kind of hard pressed to find it online.

This post was edited by xdxdaustin on Sun, May 5, 13 at 10:34

    Bookmark   May 4, 2013 at 11:11PM
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blueheron(z6 PA)

I just bought one this spring and I was wondering how yours overwintered. I'm in zone 6b. When did it bloom?

I noticed some leaves were yellow. I wonder if that means it needs some iron chelate.

    Bookmark   June 9, 2014 at 9:37AM
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I can tell you that yellowing is very common with most gardenia up here in the north due to many factors, not always an iron problem..Be careful.

I am no longer buying them because unless there is one that bloom sets with having to have the perfect temps, I am no longer interested...

Good luck and as it warms up, you fertilize, make sure it's in a good porous mix, and allow temps to fall somewhere between 55 - 65 at night, they will look great.


    Bookmark   June 10, 2014 at 6:54PM
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My crown jewel plant pics I posted above died this year due to severe winter we had. The plant is hardy to my zone(7). I had the plant for 3 years and it did survive mild winter to zero degrees past 2 years. This past winter where we had snow for longer period where the temp went down below zero several times. This killed all my hardy gardenia's around my deck. I am still looking to buy a decent size plant as I love the look of it and the blooms are perfectly shaped with strong fragrance. I am good maintaining gardenias indoors as they are prone to root rot and other problems and are high manitenance.

    Bookmark   June 11, 2014 at 8:36AM
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Kandhi. Did you have to cover any of them at any time? Did they lose their leaves when they dud survive the winters and then regenerate new leaf growth?

I would love to try one we'll protected in the ground like let's say under a 55 gallon drum or wrapped in thick burlap. But I'm wondering if a plant like this can go into complete darkness until spring? Bare leafed of course.


    Bookmark   June 11, 2014 at 10:16AM
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I planted three Crown Jewels (3 gallon) in 2010. There wasn't any winter damage until this year. All three are showing signs of recovery, this one looks best. I think it was a Zone 7 winter here, except it was cold for an extended period of time. Also had Chuck Hayes and Kleim's Hardy (the parents of Crown Jewel) on the other side of the house that were killed.

    Bookmark   June 12, 2014 at 8:35PM
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