Zip code 56369 is in USDA hardiness zone 4b, which means plants there can survive temperatures as low as -25 to -20°F each year.

56369 is in zone 4b. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 4b when selecting plants for 56369. Plants rated for other zones may not survive 56369's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 56369, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Rockville's climate for the best results.

For detailed growing zone information, visit our page on the growing zone for Rockville.

Absolutely. We offer plant recommendations for every town in the United States. We have a page on the best plants for Rockville that you might be interested in.

Recommended vegetables for 56369 include Beets, Broccoli, Brussels sprouts, Cabbage, Carrots, Cauliflower, Collard Greens, Garlic, Kale, Lettuce, Onions, Parsnips, Peas, Potatoes, Radish, Rutabagas, Spinach, Swiss chard, Turnips and Winter squash..

The best fruits for 56369 include Apples, Apricots, Blackberries, Blueberries, Cherries, Crabapples, Currants, Elderberries, Gooseberries, Grapes, Honeyberries, Kiwifruits, Peaches, Pears, Plums, Raspberries, Rhubarb, Saskatoon Berries., Sour Cherries and Strawberries.

For 56369 we recommend flowers like Aster (Aster), Black Eyed Susan (Rudbeckia hirta), Bleeding Heart (Dicentra spectabilis), Campanula (Campanula), Columbine (Aquilegia), Coral Bells (Heuchera), Creeping Phlox (Phlox stolonifera)., Daylily (Hemerocallis), Forget-Me-Not (Myosotis sylvatica), Goldenrod (Solidago), Hosta (Hosta), Hydrangea (Hydrangea), Lupine (Lupinus), Oriental Poppy (Papaver orientale), Peony (Paeonia), Purple Coneflower (Echinacea purpurea), Shasta Daisy (Leucanthemum x superbum), Siberian Iris (Iris sibirica), Siberian Squill (Scilla siberica) and Yarrow (Achillea millefolium).

Trees for 56369's temperatures include American Basswood, American Beech, American Elm, Balsam Fir, Black Cherry, Black Spruce, Black Walnut, Colorado Blue Spruce, Eastern Hemlock, Eastern White Pine, Green Ash, Northern Red Oak, Norway Spruce, Paper Birch, Red Maple, Silver Maple, Sugar Maple, Tamarack, White Spruce and Yellow Birch.

We're still building our shrubs database for 56369. Our data is updated regularly with the latest USDA data, so check back often.