The USDA Zone info is a great tool for gardeners to help us estimate 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 scaevola in Fergus Falls should be estimated by using the USDA zone info.

Planting Calendar for Scaevola

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

You can not plant scaevola until after all chance of frost has passed because they require warm weather.

The earliest that you can plant scaevola in Fergus Falls 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 scaevola and expect a good harvest is probably August. Any later than that and 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 is on May 15 in Fergus Falls. It might get as low as -30°F during the coldest months of winter.

Keep in mind that USDA zone info for Fergus Falls is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Fergus Falls there is a last frost after May 15 so make sure that you are prepared to protect your scaevola if you have a late frost.

USDA Zone Info for Fergus Falls

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 Fergus Falls

You may be interested in your other planting guides for Fergus Falls.