Will your flowers survive the freeze?

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By Greg Horan on March 26, 2012, 12:48pm

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Last week many flowers started blooming in our gardens with the unseasonable warmth. Some people also started buying flowers to plant outside. Now tonight we are expecting a hard freeze across the region with temperatures dipping as low as the upper teens north to mid 20s along the coast. You may be wondering how your flowers will faire under these conditions!

Daffodils that are currently in bloom across the area should manage the night okay, as they are usually quite hardy. For instance, at my house the Daffodils are along the house which usually radiates some heat and keeps it a bit warmer. 2 years ago I had a temperature of 24 and they did okay. However if they are located in a more open location they maybe more sensitive to the cold!

Flowers such as Pansies, Petunias, and Geraniums are a bit more sensitive to colder temperatures. Pansies are usually the hardiest of the three. I have seen them able to survive temperatures in the 20s when they are along buildings where once again a bit of heat radiates. However, Petunias and Geraniums are considered tropical plants and may sustain damage with the temperature of 28 degrees or lower. Below 25 degrees and they most certainly will be damaged. The key factor will be the amount of hours that temperature remains cold. Typically at 3 hours or more damage is likely. 

So what can you do to protect your flowers?     

It is best to bring these tender flowers indoors if at all possible. If they are in the ground already protecting them with a cloth sheet can help keep them warmer. You can also use an inverted flower bucket as a cover. Watering the plants lightly early in the day prior to the freezing night can also help keep the soil temperature a bit warmer.

Unfortunately even with these strategies you may still experience some loses with these very cold temperatures!




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Greg Horan

Town: Hamden, CT  

Reporting for WXedge since February 2012.

Articles: 336

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