May Planting Calendar

Spring planting for summer color

May may be the busiest gardening month for most of the country. It´s time to plant, divide, and transplant seedlings everything you haven´t been able to sooner. For much of the US, the prime growing season runs from May through August.

Check the Zone Map and Frost Dates for your region.

Flowers:

SOW IN OPEN GROUND - Ageratum, Amaranthus, Alyssum, Anagallis, Arctotis, Baileya, Browallia, Calendula, Calliopsis, Celosia, Clarkia, Cosmos, Dahlia, Euphorbia, Flax, Gaillardia, Gilia, Gomphrena, Gourds, Gypsophila, Hunnemannis, Impatiens, Kochia, Larkspur, Linaria, Lobelia, Madiera-vine, Malcomia, Mallow, Marigold, Mirabilis, Nasturtium, Nemophila, Nicotiana, Petunia, Periwinkle, Phlox, Poppies, Portulaca, Pueraria, Quamoclit, Salpiglossis, Salvia, Scabiosa, Schizanthus, Strawflower, Tithonia, Torenia, Zinnia.

SEED IN FLATS - Ageratum, Anemone, Begonia, Cineraria, Gaillardia, Gerberia, Geum, Peppers, Petunia, Portulaca, Salvia, Torenia, Trachelium, Zinnia.

PLANTS - Acalypha, Ageratum, Alternanthera, Amaranthus, Calendula, Callistephus, Celosia, Centaurea, Chrysanthemum, Coleus, Coreopsis, Cosmos, Croton, Cynoglossum, Diascia, Exacum, Gaillardia, Gerberia, Geum, Immortelle, Impatiens, Lobelia, Mallow, Marigold, Mimulus, Nemesia, Nicotiana, Oenothera, Penstemon, Periwinkle, Petunia, Phlox, Pinks, Rehmannia, Salvia, Schizanthus, Stokesia, Streptocarpus, Thalictrum, Torenia, Trachelium, Verbena, Zinnia.

BULBS-CORMS-TUBERS - Achimenes, Amaryllis, Anomatheca, Brunsvigia, Caladium, Canna, Clivia, Dahlia, Gladiolus, Gloriosa, Gloxinia, Lycoris, Madiera-vine, Polianthes, Sternbergia, Tigridia, Watsonia, Waterlily, Zephyranthes.

Vegetables:

START SEED INDOORS - Cucumbers, Melons.

START SEED OUTDOORS - Artichoke, Arugula, Beans, Beets, Broccoli, , Brussel Sprouts, Cabbage, Carrots, Cauliflower, Cilantro, Celery Corn, Dill, Green Onions, Kale, Leeks, Lettuce, Parsnips, Radishes, Salad Greens, Spinach, Summer Squash, Swiss Chard, Turnips.

PLANT STARTS - Artichokes, Basil, Broccoli, Cabbage (early and late), Cauliflower, Celery, Collards, Cucumbers, Kale, Leeks, Onions, Parsley, Swiss Chard, Tomatoes.


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