Narrowed plumbing lets flower survive summer cold snaps

Tiny pores, skinny pipes prevent ice from reaching alpine heather’s flowers

heather

CHILL OUT  Scotch heather weathers summer freezes by forming internal ice barriers that block ice crystals from spreading to its flowers.

Peter O'Connor aka anemoneprojectors/Flickr (CC BY-SA 2.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Plants

From the Nature Index

Paid Content