The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for De Witt should be reviewed to figure out when it's possible to plant hosta.

Planting Calendar for Hosta

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

Hosta do well in mild cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

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

The last month that you can plant hosta and expect a good harvest is probably September. If you wait 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 April 15 in De Witt. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for De Witt may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in De Witt you get a frost after April 15 be ready to cover your hosta if you have a surprise late frost.

USDA Zone Info for De Witt

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in De Witt

You may be interested in your other planting guides for De Witt.