The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Pewaukee you can figure out when to plant scaevola by reviewing 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.

Since scaevola are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant scaevola in Pewaukee 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 really do well. You can get started a little bit earlier by starting your scaevola indoors.

Last Frost Date

The average date of last frost is April 15 in Pewaukee. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Pewaukee is just an average the actual date of last frost is different every year. Half of the time in Pewaukee last frost occurs after April 15 so make sure that you are ready to protect your scaevola in the event of one of those late frosts.

USDA Zone Info for Pewaukee

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Pewaukee

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