Winterizing Wisteria
Thankfully, perennial plants are not usually injured by winter temperatures; but frost heaving can result in damage to the crown and root system. To help avoid this:
NOTE: This is part 11 in a series of 11 articles. For a complete background on how to grow wisteria, we recommend starting from the beginning.
- Mulch around the plant about three inches thick with clean straw, evergreen boughs or other loose coarse materials.
- It is best not to use leaves or grass clipping, as they may compact too much around the plant.
- Apply the mulch after the ground freezes usually late November and remove gradually as new growth begins in the spring, usually early March.