<http://www.londonmiddlesexmastergardeners.com/protect-greens-intermittent-light-frost/#webpage>
<http://schema.org/description>
"Each fall we get some early frosts. It's possible to protect your greens and continue having fresh vegetables to harvest. Learn how to trap heat present in the soil so it stays around the plants."
<http://londonmiddlesexmastergardeners.com/protect-greens-intermittent-light-frost/>