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.

You will be able to determine when it's a good idea to plant scaevola by looking at the USDA zone info for Lewistown.

Planting Calendar for Scaevola

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

Scaevola do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

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

The last month that you can plant scaevola and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scaevola may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your scaevola indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Lewistown. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Lewistown is an average and the actual date of last frost changes from year to year. Since half of the time in Lewistown you get a frost after April 15 be ready to protect your scaevola if you have a surprise late frost.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lewistown

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