The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant celosia in Lewistown should be figured out by checking out the USDA zone info.

Planting Calendar for Celosia

Frost tolerance for celosia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since celosia are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant celosia 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 celosia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your celosia may not have a chance to grow to maturity. Starting your celosia indoors is a great way to get them started a couple of weeks earlier.

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.

Since the USDA zone info for Lewistown may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Lewistown you get a frost after May 15 so just be sure to be ready to cover your celosia 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.