What is hoarfrost?

Hoarfrost can create dramatic and stunning scenes as ice needles form on objects in the wintertime, but what exactly is it and how does it form?
What are those stunning ice formations on trees, plants and power lines on a cold, winter morning? Let's find out.

WI:FROST 'SPIKES' (HOAR FROST) FORM ON TREES

Here's why you need to know the difference between hoarfrost and rime ice

Rime Ice or Hoar Frost? There is a Difference! - DTN

WINTER PHENOMENON of Hoarfrost, News Monitor

Know Your Frost Types? - Farmers' Almanac - Plan Your Day. Grow Your Life.

Hoarfrost on my windows : r/vermont

Nature # 36 or What is hoarfrost? — Steemit

What is hoarfrost and how does it form?

Hoar Frost Morning—Glacial Ridge National Wildlife Refuge-March 9-10