Check Plant Hardiness Before Buying Trees and Shrubs

By Scout Nelson

Agriculture experts are asking people to read plant tags and do some research before making a purchase. Choosing the right tree or shrub helps protect your garden from cold damage.

Some plants may look healthy and beautiful but might not survive freezing temperatures. This is a common issue in states like North Dakota, where winters are very cold. The state falls into plant hardiness zones 3 and 4, which means only certain plants can survive the cold.

Every year, the North Dakota Department of Agriculture receives complaints from both buyers and plant sellers about non-hardy plants being sold. Buying non-hardy plants can lead to poor growth, plant death, or wasted money.

Some popular plants that are not winter hardy include emerald arborvitae, dwarf Alberta spruce, eastern redbud, oakleaf hydrangea, Japanese snowball, dappled willow, and fruit trees like peaches and sweet cherries. While labels may claim these plants can survive very low temperatures, many do not survive and may suffer from winter burn or dieback.

Nursery inspectors in North Dakota regularly check stores and nurseries to ensure that plant labels are correct. They also check for plant health, pests, diseases, and rule compliance. Selling the wrong type of plant or incorrect labeling can lead to a fine of up to $500 per case. Repeat offences may lead to a nursery losing its license.

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