| M reptans comes from the Himalayas and is said to be hardy from z3 to 11. It might lose leaves for winter (a bit like Tradescantia) but will probably pop back in spring. I think my concern would be around good drainage/frost heave, but if it is being used as a groundcover among bigger plants, such as your daylilies, then it is likely that there will be portions already under cover. If it has made it into the lawn then that will probably also proved shelter. You may, however, also find it prudent to pot up some portions as 'plugs' for replanting next spring if you can provide light and barely damp conditions over winter. |