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Orange Blooded [3516]
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All you horticulture and green thumb types…
Mar 12, 2022, 6:01 PM
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With temps expected to hit 20 degrees here tonight, is there anything practical that can actually be done to save new growth/blooms already emerging from japanese maples, hydrangeas, etc. I’ve covered them in the past with frost blankets…but that’s when temps were only ~30 or so.
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Rock Defender [53]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 6:06 PM
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Blankets work really well, like the thick moving blankets if you have them, wrap one around the base/trunk and toss another on top.
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All-In [25943]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 6:40 PM
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I just covered my cauliflower and celery plants. Don't know if it is enough but the wind will help with frost.
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CU Guru [1895]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 6:44 PM
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The new growth on the hydrangeas will die, but the plant won't. It will send out more shoots when temperatures get warmer and you shouldn't have a problem (unless you just put them in - if so, mulch well and hope for the best). Hydrangeas are very very hardy.
The Japanese maple will survive (again assuming you didn't just put it in), but the new growth probably won't. I have 5 different varieties in my yard and many years I lose a little of the new growth to freeze.
If your Japanese maple is a small dwarf variety, as another poster said, a blanket (or 2) will probably protect it enough. It also depends on how much they have budded. If they're just barely budding, like mine, they should be fine.
Good luck!
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Legend [15525]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 7:56 PM
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THIS! I was an Ornamental Horticulture Major at Clemson, and I’d have to agree with this. A lot will depend on temperature and duration of the freeze along with subsequent temperatures. Hopefully it’s just a nip of early growth that doesn’t damage tissue. Time will tell. Good luck, and God bless!
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All-In [38590]
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anything practical
Mar 12, 2022, 6:50 PM
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sorry -- NO
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110%er [9685]
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Get them double vaccinated and boosted.
1
Mar 12, 2022, 6:52 PM
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It’s your patriotic duty anyway.
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All-In [27301]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 7:01 PM
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Throw some dry mulch or pine bark on the roots and trunk. About 3-4in high. Cover with tarp or sheet
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All-In [38590]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 7:05 PM
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It is already 32, doubt he has the time or material.
Mother Nature has a plan. All will be well in the long term.
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Orange Blooded [3516]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 8:58 PM
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Thanks to all…hydrangeas and maple have been in the ground for three years. The hydrangeas are up next to the house so just threw some blankets over them just in case it helps…if not, sounds like the plants should be fine long term.
Thanks again!
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All-In [38590]
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Re: All you horticulture and green thumb types…
Mar 12, 2022, 9:08 PM
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Frost is hard on some plants.
The danger now is due to warm weather sap has flooded up in the dormant shrubs and trees.
If it gets cold enough to freeze that, bark will split.
That is unlikely to happen tonight. It did happen about ten years back and even killed some old trees.
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