To keep plants growing well in containers, use a good quality, water-wise potting mix. With the right plants you can create a high-impact but low-maintenance scheme, to lift the spirits on even the darkest of days. A light freeze is considered 28°-32°F, and a hard freeze below 28°F. Many full sun plants are also tolerant of drought and arid conditions, making them ideal for potted environments too. Brussels sprouts (to zero degrees)5. An excellent choice for seasonal containers, it’s smothered in large glossy red berries through autumn and winter before small pink-white flowers appear from May to July. These plants grow 6 to 9 inches tall with velvety, scalloped silver leaves that almost beg you to caress them. In cooler climates, you could also select plants that have tough leathery foliage like rhododendrons, camellias, azaleas and pieris. Dusty miller is almost indestructible being deer-, drought-, and disease-resistant. Bring your plant indoors before the first frost and overwinter it as a houseplant in a cool and sunny room. Once frost has bitten… It may look unsightly, but it’s a good idea to leave any frost damaged plant tissue on the plant until spring has arrived. Clay or terracotta pots are prone to cracking in frost so either avoid using these for your winter displays or look for frost-proof pots and containers. Feed occasionally with a seaweed-based fertiliser, and protect plants from frost. Makes a non-traditional alternative to ivy. Potting mix must be very free-draining, pots should not be too large for the plant, and they need to be kept off the ground in winter so they don’t take in water from below. Ajuga is a rugged evergreen perennial that’s low-spreading with rounded purple or purple-variegated leaves depending on variety. Snapdragon flowers19. Use annual dianthus in containers or line them out along a front walk or border edge. TIP: Poor Knights lily will often flower better when slightly root-bound in pots. Teams well with heathers. Before freezing temperatures arrive, its important to know which cold climate plants are tough enough to survive frost. This is a number found on the plant tag or … ... ultra-frost-tolerant leafy green vegetable is a reliable, deeply rewarding vegetable for the cold season garden. Creeping Jenny7. A solution in a pot. Smaller plants are more susceptible to over- or underwatering; It is not necessary to feed container plants during the winter; Raise containers off the ground on pot feet or bricks to aid drainage and help prevent the freezing conditions that cause pots to crack; Choose frost-proof terracotta or containers made of plastic, fibreglass or wood. 25 Frost-Tolerant Winter Plants Container gardeners in colder climates can also keep hardy winter plants, but the selection is more limited. It’s the perfect filler plant for mixed containers and baskets. Green foliage changes to fiery hues of orange and red towards winters, with white spring blossom later forming red berries. Hens and chicks12. Before you plant, remember to make sure your pots are winter ready too. Parsley17. Frost tolerant fall vegetables will extend the growing season, especially with the help of cloches or row covers. If your bacopa gets too dry, don't despair; with proper care, it should come back within a couple of weeks. This review contains affiliate links and we may receive a commission for purchases made. They are less thirsty, resilient, and can … It is also vital to water pots regularly so they don’t dry out completely. Related to “frost-tolerant plants”: Protecting plants against frost Many frost-hardy plants are deciduous and, although their sculptural qualities are welcomed in the winter garden, it’s important when choosing varieties to have a balance between those that are evergreen and those which lose their leaves. Growing plants in full sun, especially into pots/containers can be hard unless you pick varieties that will tolerate the suns full conditions.