They don't flower well in insufficient light, and the plants become spindly. Deadheading spent flowers provides repeated blooming. They’re bred to be beautiful but won’t survive the winter. Want hardy garden mums for your perennial garden? Opt for seeds or unrooted cuttings if … adds indoor or outdoor color, depending on your location and the season. Photo by: Proven Winners. Florist mums are used solely for indoor potted plants and are not suited for transplanting outside. Chrysanthemum may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden in summer, or grown from potted plants. increasing Chances of Survival Through the Winter Follow these steps to increase the chances that your potted mums will survive the winter: 1. When to Really Plant Mums. Asked by Wiki User. Pinch out and stake your plants as you would for outdoor varieties. Beautiful autumn colours on your terrace . If you're just looking for a pop of color in your late-season garden, buy a plant already in bloom. You can try to replant your flowers outside but they usually are not very successful transplanted from the indoors. The upper part of the plant might get killed by the frost if you live in a cold climate. Indoor Chrysanthemum flowers can be placed outdoors when it is warm enough, however, they will not come back again. Mums take up to four months to flower from seed. Chrysanthemums, or mums, are a staple in fall gardens. Dig a hole twice as wide as the root ball, adding rich soil to the hole as you plant your mum. Then, arrange your mums in a decorative vase. Mums are spectacular fall plants that can be brought indoors and used for decorating. Your best bet is to ask for them at a garden center or nursery. Ideally, they are budding but not yet blooming. Reply. Gardeners who live in the South, where mums will continue to grow throughout the winter, need to cut their plants back to encourage continued bloom and prevent legginess. Q.Do hydrangeas bloom in the shade? You can start mums indoors from seed 6 to 8 weeks before your last spring frost date. Plant chrysanthemums at the same level they were growing inside the container and don't bury too deep. It's not the cold temps, but usually ice on the roots that kills your mums. After the last hard freeze of the spring, plant the mum in the warm soil or move the pot back outside. 13 Eye-Catching Chrysanthemum Color Combos 13 Photos. Amend clay soil with compost or other organic matter before planting to improve the drainage and aeration. Therefore, the best time to start with seeds is by sowing them indoors in early spring. Caring for Chrysanthemums in Pots. Once you have planted your Chrysanthemums, you need to take care of them. And if you love cut flowers, think about a flower subscription! Plant your perennial mums in the spring. Chrysanthemum can be grown in pots either indoors or outdoors. Shortening day lengths stimulate mums to bloom, so avoid areas that are exposed to street or porch lights. Plant mums in pots filled with fresh, sterilized, well-drained potting medium. You can grow indoor chrysanthemums from seeds or rooted as well as unrooted cuttings of florist mums. It depends where your zone is located and what your average low temperatures are per year. When growing mums indoors, as opposed to outdoors, direct sunlight can harm them. Like indoor mums, outdoor mums should be planted in a place where they have plenty of space. Water mums daily while they're blooming. You can transplant them outdoors any time of year except the hottest part of summer. Since they’re usually root-bound, transplant them to larger containers if possible. Celebrate the variety of mum colors with these creative mixes. Much like indoor mums, planting outdoors or in the garden requires abundant sunlight. These plants are not difficult to grow but they don’t do well in cold weather. You can also plant these annual mums in your garden to bring end-of-season color after summer annuals are spent. Leave mums outdoors in areas with warm winters. This is bad for Chrysanthemums since they require proper air flow to grow. Use Cut Mums in Arrangements In the morning when plants are hydrated, cut the stems at an angle. Trim the stems and foliage. When your decorating season is over, or when the temps simply become too cold, it’s time to move the plant to safety for good. However, seeds must be planted at the right time of year and kept under appropriate conditions to perform their best. Then I slap myself on the forehead, take a deep breath and cry “You should have planted … They are hardy in U.S. Department of Agriculture plant hardiness zones 7 through 9. Keep Plants Cool And Shaded. 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