Frost protection
Mulch crowns & roots
When
Late autumn
How
Pile a thick dry mulch over the crowns of borderline-hardy perennials.
Protects
Agapanthus, penstemon, tree ferns
Notes
Keeps the worst of the cold and wet off the roots.
Frost protection
Late autumn
Pile a thick dry mulch over the crowns of borderline-hardy perennials.
Agapanthus, penstemon, tree ferns
Keeps the worst of the cold and wet off the roots.