Learn About Cold Weather Plants For Zones 2-3

Learn About Cold Weather Plants For Zones 2-3

By: Mary H. Dyer, Credentialed Garden Writer
Image by jkauffeld

USDA plant hardiness zones, developed by U.S. Department of Agriculture, were created to identify how plants fit into different temperature zones – or more specifically, which plants tolerate the coldest temperatures in each zone. Zone 2 encompasses areas such as Jackson, Wyoming and Pinecreek, Alaska, while Zone 3 includes cities like Tomahawk, Wisconsin; International Falls, Minnesota; Sidney, Montana and others in the northern part of the country. Let’s learn more about the plants that grow in cold climates like these.

Challenge of Gardening in Zones 2-3

Gardening in zones 2-3 means dealing with punishing cold temperatures. In fact, the lowest average temperature in USDA hardiness zone 2 is a frigid -50 to -40 degrees F. (-46 to -40 C), while zone 3 is a whopping 10 degrees warmer.

Cold Weather Plants for Zones 2-3

Gardeners in frigid climates have a particular challenge on their hands, but there are a number of tough but lovely plants that grow in cold climates. Here are some suggestions to get you started.

Zone 2 Plants

  • Lead plant (Amorpha canescens) is a rounded, shrubby plant with sweet-smelling, feathery leaves and spikes of tiny, purple blooms.
  • Serviceberry (Amelanchier alnifolia), also known as Saskatoon serviceberry, is a hardy ornamental shrub with showy, fragrant blooms, tasty fruit, and lovely autumn foliage.
  • American cranberry bush (Viburnum trilobum) is a durable plant that produces clusters of big, white, nectar-rich flowers followed by bright red fruit that lasts well into winter – or until birds gobble them up.
  • Bog rosemary (Andromeda polifolia) is a mounding groundcover that reveals narrow, bluish-green leaves and clusters of small, white or pink, bell-shaped blooms.
  • Iceland poppy (Papaver nudicaule) displays masses of blooms in shades of orange, yellow, rose, salmon, white, pink, cream and yellow. Each bloom appears atop a graceful, leafless stem. Iceland poppy is one of the most colorful zone 2 plants.

Zone 3 Plants

  • Mukgenia nova ‘Flame’ displays deep pink blooms. Attractive, toothed leaves create a stunning display of bright color in autumn.
  • Hosta is a hardy, shade-loving plant available in a wide range of colors, sizes and forms. The tall, spiky blooms are butterfly magnets.
  • Bergenia is also known as heartleaf bergenia, pigsqueak or elephant ears. This tough plant boasts tiny, pink blooms on erect stems arising from clusters of glossy, leathery leaves.
  • Lady fern (Athyrium filix-feminia) is one of several sturdy ferns that are classified as zone 3 plants. Many ferns are perfect for a woodland garden and lady fern is no exception.
  • Siberian bugloss (Brunnera macrophylla) is a low-growing plant that produces deep green, heart-shaped leaves and small, eye-catching blooms of intense blue.

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