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| I live in S. Louisiana (N. Orleans area) and tonight we are expecting the coldest temps in over a decade. I am so distraught over the fates of my split-leaf philodendron, shell gingers, calliandras, meyer lemons, angels trumpets and other plants. If my 15 year old, 30 foot Washingtonia palm dies, I will be majorly annoyed. But should I be worried about my fortuniana-rooted roses? I bought about a dozen of these this summer and planted them this fall. We are expected temps as low as 16-17 degrees, but in my experience I find the forecasts overexagerate and my yard is usually a couple degrees warmer. I expect low 20s. I mounded up some pine straw to cover the base and over the graft point. Should that be enough? What about my potted non-fortuniana (Dr. Huey) rootstock roses? Are they OK out in the elements, or should I at least put them up under the covered patio? |
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| I think the planted roses will be ok. I did bring my pot ghetto into the garage. The rootballs will freeze and if they don't thaw soon, the plant could die. It really depends on how long the temps are that cold. If it's just one night, they will probably be ok. But if you are going to have a few days and nights below freezing, you may want to move them where they will not freeze. |
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| The mounding should help and they should be OK as long as the cold isn't very prolonged. If you can easily move the pots somewhere where they would be protected from the wind that would help too. If it's warmer now and is possible I might suggest watering things too. It will help if the roses are well hydrated going into a cold spell. |
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| It depends on where the grafts on your roses are. If they are up in the air (the way some recommend), you may have a problem. Re you other plants: Gingers will come back from the roots, as will philodendrums and angel trumpets (this from experiences in NOLA when temps got that low and froze pipes. We kept our tree fern alive by wrapping it with incandescent Christmas lights and then with plastic. You will probably lose your Meyer Lemon because it's grafted and coming back from the roots .....you know the rest. |
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| My grafted roses are on Dr. Huey, but I do have the bud unions above the ground and we regularly get temps in the 20s. I don't do any winter protection and the grafts are fine. I don't know if fortuniana is different. |
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