Can annuals survive frost?

Cold tolerant annuals can survive and even thrive through repeated frosts, a couple annuals even tolerate freezing down to the mid 20’s. These can be a little different than cool season annuals, which simply prefer cool weather and do not perform well when it gets warmer.Click to see full answer. In respect to this, what temperature can annuals tolerate?Tender annuals, also called true annuals, have no tolerance for frost and must be planted in the spring when nighttime temperatures are above 55 degrees, when all danger of frost is past. Plants that fall into this category include: Impatiens (Impatiens balsamina), USDA zones 2 through 11.Also, what flowers can stand cold temperatures? Plants That Survive Winter Coneflower (Echinacea) Though the coneflower does not maintain its beautiful purple coloring in freezing temperatures, it will come back in the spring, strong as ever, if properly cared for in the offseason. Lily of the Valley. Blue Spruce. Wintergreen Boxwood. Catmint. Coral Bells (Heuchera) Pansies. Hostas. Simply so, what flowers can survive a freeze? Freeze-Proof Plants Lily-of-the-Valley. Don’t let its dainty blooms fool you — lily-of-the-valley (Convallaria majalis) is a tough plant. Siberian Iris. Hardy to Zone 3, Siberian iris shakes off cold cold winters. American Mountain Ash. Coral Bells (Heuchera) Pansies. Hosta. Siberian Cypress. ‘Fastigiata’ Spruce (Picea pungens var. How cold can flowers survive?Tender annual flowers like impatiens can’t survive a frost or temperatures below 55 degrees. Half-hardy annual flowers can survive brief, light frosts and temperatures of 35 degrees to 45 degrees. To be safe, protect all your plants when the temperatures drop.