Zip code 56321 is in USDA hardiness zone 4b, which means plants there can survive temperatures as low as -25 to -20°F each year.

56321 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 56321. Plants rated for other zones may not survive 56321's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 56321, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Collegeville's climate for the best results.

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

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

Recommended vegetables for 56321 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 56321 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 56321 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 56321'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 56321. Our data is updated regularly with the latest USDA data, so check back often.