Zip code 99733 is in USDA hardiness zone 1a, which means plants there can survive temperatures as low as -60 to -55°F each year.

99733 is in zone 1a. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 1a when selecting plants for 99733. Plants rated for other zones may not survive 99733's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 99733, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Circle's climate for the best results.

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

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

Recommended vegetables for 99733 include Beetroot, Bok Choy, Broccoli, Brussel Sprouts, Cabbage, Carrots, Collard Greens, Green Onions, Iceberg Lettuce, Kale, Kohlrabi, Mustard Greens, Parsnips, Radishes, Romaine Lettuce, Rutabaga, Salad Greens, Spinach, Swiss Chard and Turnips.

The best fruits for 99733 include Arctic root Rhodiola rosea fruit, Basket of Gold Berries, Cloudberry, Cranberries, Ground cherries, Honeyberries, Ittoqqortoormiit Berries, Labrador Tea berries, Lingonberries, Lowbush Blueberries, Mountain Ash berries, Northern Wild Raspberries, Red Bearberries, Roseroot Stonecrop, Salal berries, Siberian Crabapples, Snowberries, White Bearberries and Wild Strawberries.

For 99733 we recommend flowers like Arctic Carnation (Dianthus Arvernensis), Arctic Poppy (Papaver Radicatum), Canary Island Sage (Salvia Canariensis), Coral Aloe(Aloe Striata), Crocus (Crocus Vernus), Downy Rose Myrtle (Rhodomyrtus Tomentosa), Dwarf Irises (Iris Reticulata), Harlequin Shrimp Plant (Justicia Brandegeana), Lily of the Valley (Convallaria Majalis), Neptune's Gold Sea Holly (Eryngium), Polar Bear Zinnia (Zinnia Elegans), Purple Lilac (Syringa Vulgaris), Purple Passionflower (Passiflora Incarnata), Siberian Squill (Scilla Siberica), Snow Queen Marigold (Tagetes Erecta), Snowdrops (Galanthus Woronowii), Tiger Lily (Lilium Lancifolium), Velvet Sage (Salvia Leucantha), Velvet Trumpet Vine (Clytostoma Callistegioides) and Wallflower (Erysimum Cheiri).

Trees for 99733's temperatures include Balsam Fir (Abies balsamea), Black Spruce (Picea mariana), Black Willow (Salix nigra), Douglas Fir (Pseudotsuga menziesii), Eastern Hemlock (Tsuga canadensis), Eastern Larch (Larix decidua), Eastern White Pine (Pinus strobus), Jack Pine (Pinus banksiana), Norway Spruce (Picea abies), Paper Birch (Betula papyrifera), Ponderosa Pine (Pinus ponderosa), Quaking Aspen (Populus tremuloides), Red Cedar (Thuja plicata), Red Maple (Acer rubrum), Red Pine (Pinus resinosa), Sitka Spruce (Picea sitchensis), Subalpine Fir (Abies lasiocarpa), Tamarack (Larix laricina), Western Larch (Larix occidentalis) and White Spruce (Picea glauca).

We're still building our shrubs database for 99733. Our data is updated regularly with the latest USDA data, so check back often.