Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant hosta in Forest Lake can be figured out by reviewing the USDA zone info.

Planting Calendar for Hosta

Frost tolerance for hosta:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Hosta are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant hosta in Forest Lake is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hosta and expect a good harvest is probably August. Any later than that and your hosta may not have a chance to really do well. You can get started a little bit earlier by starting your hosta indoors.

Last Frost Date

The average date of last frost is May 15 in Forest Lake. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Forest Lake may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Forest Lake last frost occurs after May 15 so be sure to be ready to protect your hosta if you have one of those late frosts.

USDA Zone Info for Forest Lake

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Forest Lake

You may be interested in your other planting guides for Forest Lake.