If we climb up into a hard frost, we're dead men.
We'll have a few insects, perhaps, until first hard frost.
Flowering never stops from May to the first hard frost.
Lesson number one, don't open the windows when there's a hard frost, he told himself.
The next day there was a harder frost than before.
With a hard frost, the plant will die down to the ground and grow back the following spring.
The best time to cover them is after the first hard frost.
Leave the best until after a hard frost, when they sweeten up.
"We let the whole top get hit by hard frost," he added.
Nor hard frost, either, we're on the edge of it.
If growing the plant indoors is not appealing, another trick can be done before heavy frost.
The windows of the car were covered by a heavy frost.
There had been a heavy frost last night and some of it remained on the lawn, an arc that the sun hadn't reached.
A heavy frost had fallen overnight, but not much snow.
The weather was extremely cold, a heavy frost covering the surface of the earth.
The last time we had a heavy frost, most of Britain closed.
I think there'll be a heavy frost in the morning, though the stars are amazingly bright.
Potatoes are sensitive to heavy frosts, which damage them in the ground.
In Korolev, there was a heavy frost on the ground every morning.
The rose garden will not close down until the first heavy frost, which could happen next week or in two months.
