Another word for frost

The look Claire gave her sister would frost a barbeque.

As April slipped into May and the last threat of frost passed, she began planting them in the garden.

Jack Frost had dressed them in gold and crimson.

When the frost comes out in the spring, and even in a thawing day in the winter, the sand begins to flow down the slopes like lava, sometimes bursting out through the snow and overflowing it where no sand was to be seen before.

Alice was a geranium Cynthia had lovingly rescued from certain death by frost last September when the rest of the couple's first-year garden succumbed to the advancing seasons.