One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Plainfield it's possible to figure out when you can 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 tend to make it in a little bit of cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant hosta in Plainfield 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 fully mature. You can get started a couple of weeks earlier by starting your hosta indoors.

Last Frost Date

In Plainfield the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Plainfield may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Plainfield you get surprised by a frost after April 15 so always be ready to cover your hosta if you have a late frost.

USDA Zone Info for Plainfield

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Plainfield

You may be interested in your other planting guides for Plainfield.