It is very challenging to grow palm trees in Kentucky state. Kentucky has humid subtropical climate climate. The summer is warm and humid with average maximum July temperature of 87°F (30°C). Winters are moderately cold with average temperature in January of 40°F (4°C).
The warmest day ever recorded was 114 °F (46 °C) and the lowest was −34 °F (−37 °C). The average annual precipitation is around 44.5 in (113 cm) and snowfall is about 18 in (46 cm). The state also gets around 46 days with thunderstorms. Kentucky USDA hardiness zones range from 5b to 7a.
Kentucky USDA Zones
Growing Palm Trees in Kentucky
If you want to grow palm trees in Kentucky, you need to live in zone 7. All zones lower than that are too cold. Unfortunately, there are only few small areas in Kentucky that has zone 7. If you live in colder areas, you will need to create a microclimate that has at least temperatures of zone 7.
- Needle Palm Tree – Zones 5b-11 (-15 to -10F)
- European Fan Palm Tree – Zones 7b-11 (5 to 10 F)
- Pindo Palm Tree – Zones 7b-11 (5 to 10 F)
- Sago Palm Tree – Zones 7b-11 (5 to 10 F)
- Saw Palmetto Palm Tree – Zones 7a-11 (0 to 5 F)
- Windmill Palm Tree – Zones 7b-11 (5 to 10 F)
Major Cities in Kentucky
Bowling Green – Hardiness Zone 6a
Lexington – Hardiness Zone 6a
Louisville – Hardiness Zone 6a