One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lewistown you can estimate when it's a good idea to plant nolana by referring to the USDA zone info.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant nolana until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant nolana in Lewistown is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant nolana and expect a good harvest is probably August. Any later than that and your nolana may not have a chance to fully mature. You can get started a few weeks earlier by starting your nolana indoors.

Last Frost Date

In Lewistown the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lewistown is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Lewistown there is a last frost after May 15 be ready to protect your nolana if you have a late frost.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Lewistown

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