Zone 3 Plant Guide

USDA Zone 3 · -40°F to -30°F · 159 plants

Zone 3 covers the coldest gardening regions of the continental US, including northern Minnesota, Wisconsin, and Montana. Short growing seasons demand tough, cold-hardy plants that can handle brutal winters.

When things bloom

3
5
16
37
74
92
90
84
60
24
2
0
JanFebMarAprMayJunJulAugSepOctNovDec

Browse by season

🌱Spring85 plants☀️Summer129 plants🍂Fall60 plants❄️Winter5 plants

Plant types in Zone 3

Perennial (89)Shrub (24)Bulb (17)Annual (17)Grass (5)Ground Cover (4)Vine (2)Tree (1)

Longest-blooming plants

Sweet Alyssum
Sweet AlyssumApr-Oct · 7 months
Impatiens
ImpatiensMay-Oct · 6 months
Petunia
PetuniaMay-Oct · 6 months
Rose
RoseMay-Oct · 6 months
Snapdragon
SnapdragonApr-Sep · 6 months
Blanket Flower
Blanket FlowerJun-Oct · 5 months
Cat's Meow Catmint
Cat's Meow CatmintMay-Sep · 5 months
Catmint
CatmintMay-Sep · 5 months
Celosia
CelosiaJun-Oct · 5 months
Clematis
ClematisMay-Sep · 5 months
Cosmos
CosmosJun-Oct · 5 months
Happy Returns Daylily
Happy Returns DaylilyMay-Sep · 5 months

Nearby zones

Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10Zone 11
Browse all 159 Zone 3 plants →Plan your garden →