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When these plants are suddenly exposed to outdoor conditions, though, the shock of full sun, colder temperatures, and a brisk breeze will cause them to wither. Their leaves are quite tender in this protected environment.

Most bedding plants and edibles begin life in greenhouses, shielded from cold temperatures and wind. Snapdragons need hardening off before planting. Have protective covers (row covers, plastic sheets, old blankets) and maybe some strings of incandescent miniature lights handy, just in case. Still, pay close attention to the weather forecast. Maybe you’ve had a milder-than-average winter, as we’ve had here in the Carolinas. And a prolonged stretch of cloudy skies, with no sun, will delay warming the soil. The temperature stayed a few degrees above freezing next to the wall.)Ī cold, wet winter might require more time for the soil to warm up. The shrub is in bloom, waiting for the bees to pollinate it, but frost would have ruined the flowers. Other than placing the potted blueberry under an overhang next to the house, I didn’t protect any of the plants outside. (***Update*** April 2, 2019: Well, it snowed this morning! The 1/2″ of snow was the most we’ve seen here all winter. Recent weather patterns sometimes indicate suitability for transplanting, but that doesn’t guarantee pleasant weather will continue. It’s rare, but not unknown, for a snow squall to blow through Charlotte in April. A few cold nights necessitated covering it, but it survived. Last year, in a mild spring, I planted a tomato in late March. They can tolerate cooler soil than peppers, but not frost or cold soil. Tomatoes and many annuals can be planted around mid April if the weather cooperates. In most years, by that date, the soil hasn’t warmed up sufficiently for them. They also need to undergo a process known as “hardening off” before being subjected to the elements outdoors.Īpril 10 is the average date of our last spring frost, but normally that’s still too early for peppers and basil. The tender warm-season types, such as basil, tomatoes, peppers, dahlia, cosmos, and caladium, can’t be planted until the weather has settled and the soil has warmed up. If it’s severely cold and established plants have started leafing out, they’ll probably show some damage on the tender foliage. If there’s cold weather coming, that’s okay these plants are used to it. Our local garden centers are stocking up for early spring sales, and it’s great seeing all this color! Some of the plants can go into the garden soon, after hardening off.īlueberries, redbuds, and pink dogwoods-nursery trees and shrubs that have been overwintered in local outdoor conditions-can be planted now. Early spring flowers and leaves on the potted blueberry.

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