Wisconsin is too cold to grow palm trees. Wisconsin has a continental climate with warm summers and very cold winters. It is influenced by Lakes Michigan and Superior. The average temperature in July ranges from 68°F (20°C) to 80°F (27°C). In January the average temperature ranges from 8°F (–13°C) to 26°F (–3°C) depending on the location.
In the upper northeast and north-central the freeze-free season is only about 80 days per year. In the north-central it is about 180 days. Wisconsin USDA hardiness zones range from 3b to 5b.
Wisconsin USDA Zones
Growing Palm Trees in Wisconsin
This state is too cold for growing palm trees outdoors, but you can grow them indoors and take them outside during warm months. Some great indoor palms are:
- Areca Palm Tree – Zones 9a – 11 (20 to 25 F)
- Chinese Fan Palm Tree – Zones 8a – 11 (10 to 15 F)
- Kentia Palm Tree – Zones 9b – 11 (25 to 30 F)
- Lady Palm Tree – Zones 8b – 11 (15 to 20 F)
Major Cities in Wisconsin
Eau Claire – Hardiness Zone 4a
Green Bay – Hardiness Zone 4b
Kenosha – Hardiness Zone 5a
Madison – Hardiness Zone 4b
Milwaukee – Hardiness Zone 5a
Racine – Hardiness Zone 5a
Wausau – Hardiness Zone 4a
P.S. If you have any questions, leave me a comment below and I do my best to answer them as soon as I can.