6/30/2023 0 Comments Aster seedlings images![]() ![]() ![]() In two to three years when they spread or start to get floppy, use a spade to divide them and replant the new clump elsewhere. They’ll come from the ground up, but they’re slow to show up and usually don’t appear until mid-May. Next spring, be patient and don’t yank out the plant too soon because you think it’s not doing anything. “I like to leave some anyhow over the winter, so I remember where the plants are next year,” says Pavlinak. It’s also not necessary to cut them back after blooms fade in the fall. “ You don’t absolutely have to trim them back, but you’ll get hundreds more flowers if you do, because every place you pinched becomes a new branch,” says Pavlinak. Do that two to three times from late spring to early July to encourage bushiness. Planting only healthy cuttings and plants from a reliable source in your garden is the first step to preventing aster yellows. Vegetables may be protected by floating row covers, mesh fabrics, or fine wire mesh. ![]() If you’ve spring-planted, you may want to “pinch” off the tips of plants when they’re about 10 inches tall. Light-colored or reflective mulches or foils disorient the insects so they won’t feed on the plants. Basically, you don’t need to do anything but enjoy their blooms. They’re not super-finicky, which is another reason to love these old-fashioned favorites. But don’t overdo it asters don’t like soggy feet. Keep it watered if you’re having a hot, dry spell, which sometimes occurs in autumn. Fill the hole with compost, and water it well. How do I plant asters?ĭig a hole slightly larger than the pot, and plant at the same depth that the plant is in the pot. They’ll more than likely return next year, as long as you get them in the ground about six to eight weeks before the ground freezes in your area. For late-season planting, you can purchase them already in bloom for fall color. William Turner // Getty Images When should I plant asters?Īsters that are planted in your garden in the spring will bloom in the fall. ![]()
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