When to Plant Annual Flowers - Knowledgebase Question

cambridge, Ve
Question by suzanned6
January 21, 2009
I just cannot wait to get out there and garden! At what temperature is it safe for me to plant annuals?


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Answer from NGA
January 21, 2009

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Different annuals have different tolerances to cold temperatures. First, determine your average last spring frost date (from your cooperative extension or a neighborhood gardener). Some annuals can tolerate a light frost and these can be planted a few weeks before your average last frost date. These include bachelors button (Centaurea), pot marigold (Calendula), larkspur (Delphinium), watercress (Nasturtium), pansy, petunia, snapdragon, sweet pea (Lathyrus), and violet (Viola). Other annuals are tender and should be planted after all danger of frost is past. These include cockscomb, coleus, dahlia, impatiens, moss roses (Portulaca), sunflower, periwinkle (Vinca) and zinnia. Consult the plant tags at The Home Depot to help you make the right selections for your region.

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