Hostas are hardy, but they still need some preparation for the winter for their survival and vigor in the spring. Start by gradually reducing the amount of water you provide as temperatures start to drop, signaling the plants to slow their growth and enter dormancy. This helps fortify the hostas against winter damage.

Next, apply a layer of mulch around the base of your hostas. This can act as an insulating blanket, protecting the root system from harsh temperatures. Use organic materials like shredded leaves or straw for the best results. Be wary of piling the mulch too high or too close to the stems, as this can encourage rot and pest problems.

TIPS ON HOSTAS DORMANT PERIOD CARE

During the dormant period, monitor the moisture levels of the soil around your hostas. An occasional check during warmer spells in winter can prevent the roots from drying out completely; be more vigilant if you’re having an unseasonably warm winter.

While mulch serves as a great insulator during the cold, be prepared to adjust it as the season progresses. If an unusually warm period is expected, pulling back the mulch slightly can prevent the hostas from breaking dormancy too early. On the other hand, if a sudden deep freeze is expected after a warm spell, adding a bit more mulch provides extra protection against fluctuating temperatures.

SOURCE: Monrovia