Read more about overwintering pest control tips in the Michigan State University Extension article, “Bring plants indoors now, but leave the pests behind”. Assessing the light environment. Overwinteringcontainer-grown plants outdoors is extremely challenging in the coldest regions of the country (Zone 4 and colder), where it's best to grow annuals and perennials for one short... When planting, opt for a container large enough to hold the perennial and give the roots room to grow – the larger the container, the better when it comes to overwintering. How to OverwinterContainerPlants. Start making overwintering plans well before the first expected frost in fall. For plants that are deciduous or die back, cut foliage back to the crown. Overwinteringcontainer perennials will allow you to keep them for next year’s bloom time. Perennials planted in containers are susceptible to frost and cold temperatures during the winter. Choosing the Right Method for OverwinteringContainerPlants. Several methods can be employed to overwinterplants in pots, depending on plant type, size, and local climate conditions There is no firm data for containerplants. Gardeners in cold climates take steps to overwinter their containerplants to shelter them until the milder temperatures of spring arrive. overwinteringcontainerplants. As the days grow shorter, gardeners in Canada, face the challenge of preparing their potted plants for winter. A major problem in overwinteringcontainer-grown plants is that the roots are significantly less cold-tolerant than the shoots of the plant. We are often asked how to overwinterplants in our containers. Overwintering is easier than you think, and is a great return on investment since you don't have to replant those crops in... Plantsoverwintered in containers should be heeled into the ground after they go dormant but before the soil freezes. This is typically within a few weeks after the first frost in the fall. Herbaceous perennials in pots — plants that die back and are dormant in winter — need to be protected. Here's 3 ways for overwintering perennials in pots. The roots of plants growing in containersoverwintered will be exposed to extremely cold temperatures that can damage or kill the roots and even the plant. Overwintering, a critical aspect of winter garden care, becomes especially vital for potted flora. In this guide, we delve into the nuanced world of overwinteringcontainerplants.