How to overwinter hardy annuals?
Annuals can also be sown under cover at 18°C (64°F), reducing to 15°C (59°F) after germination. Grow them on into small plants, harden them off for overwintering in a cold frame or unheated glasshouse, and plant them out the following spring. October is the perfect time to plant trees, shrubs, conifers, and hardy perennials—or spring bulbs like tulips and daffodils—and if you’re looking to sow cover crops or install lawns, now is the time for that as well.Plant Hardy Annuals in the Fall Follow nature’s lead and sow your favorite hardy annuals in fall for flowery spring and early summer gardens. Many of these seeds are in a dormant state when the flower sheds them, so as to prevent them from germinating just before wintertime.
What are hardy annuals for winter?
Alyssum, bachelor’s buttons, calendula, cleome, delphinium, foxgloves, larkspur, lisianthus, pansies, and rudbeckia—these gorgeous flowers are all easy-to-grow, hardy annuals that thrive in the colder temperatures in spring and fall. Winter flowers bring vibrant life to cold seasons, with blooms like pansies, hellebores, snowdrops, and camellias defying frost and snow.
Do annuals need to be replaced every year?
Annual Plants are a type of plant that live for just one season. In that brief period, they germinate, grow, flower, and set seeds for next year’s plants—mission accomplished! Unless they self-seed, they will need to be replanted every year. Unlike annuals which only last one season, a perennial is a plant which flowers year after year; the Latin translation of ‘perennial’ literally means ‘through the years’!