When the first frost threatens to come, the planters snatch off their crops in a hurry.

Poor are those still, star-spangled nights of high pressure when a frost threatens, but even the bream will feed to some extent.

It had been a cold winter and the spring was cold and protracted, frosts threatening nightly to nip that blossom.

As the first frost threatens to touch down, pumpkin is arriving on plates at restaurants throughout the country as the main course.

This time of year, for instance, when frost threatens to kill the tomatoes, the movable tunnel could be rolled over them, to prolong the ripening.

A frost comes and threatens to ruin the orange crop.

Keep harvesting as long as you can, or extend the season by covering plants when frost threatens.

He said he plans to protect them with floating row covers if frost threatens.

When frost threatens, roll her back in.

Perhaps for good reason: in gardens north of New York, flowers rarely arrive before frost threatens.