Zip code 99602 is in USDA hardiness zone 3a, which means plants there can survive temperatures as low as -40 to -35°F each year.

99602 is in zone 3a. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 3a when selecting plants for 99602. Plants rated for other zones may not survive 99602's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 99602, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Holy Cross's climate for the best results.

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

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

Recommended vegetables for 99602 include Beets, Broccoli, Brussels Sprouts, Cabbage, Carrots, Collard Greens, Garlic, Kale, Leeks, Lettuce, Onions, Parsnips, Peas, Potatoes, Radishes, Rhubarb, Rutabagas, Spinach, Swiss Chard and Turnips.

The best fruits for 99602 include Apples, Arctic Kiwi, Blackberries, Blueberries, Cherries, Cornelian Cherries, Cranberries, Currants, Elderberries, Gooseberries, Grapes, Haskap berries, Juneberries, Pears, Plums, Raspberries, Rhubarb, Saskatoon Berries, Sea Buckthorn and Strawberries.

For 99602 we recommend flowers like Aster, Black Eyed Susan, Bleeding Heart, Chrysanthemums, Clematis, Columbines, Daylily, Forget-me-not, Hydrangea, Lavender, Lily of the Valley, Lupine, Pansies, Peony, Phlox, Purple Coneflower, Rosehips, Siberian Iris, Snowdrops and Yarrow.

Trees for 99602's temperatures include American Mountain Ash, Balsam Fir, Black Spruce, Black Walnut, Blue Spruce, Boxelder Maple, Burkwood Viburnum, Eastern Red Cedar, Eastern White Pine, European Beech, Green Ash., Northern Red Oak, Norway Spruce, Paper Birch, Scots Pine, Sugar Maple, Tamarack, Weeping Willow, White Ash and White Spruce.

We're still building our shrubs database for 99602. Our data is updated regularly with the latest USDA data, so check back often.