The USDA Zone info is a great tool for gardeners to help us estimate 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.

A way of determining when it's a good idea to plant scaevola is to examine the USDA zone info for Waunakee.

Planting Calendar for Scaevola

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

You should not plant scaevola until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant scaevola in Waunakee 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. Starting your scaevola indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Waunakee the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Waunakee and it will vary from year to year. Since half of the time in Waunakee you get a frost after April 15 be ready to protect your scaevola if you have a late frost.

USDA Zone Info for Waunakee

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 Waunakee

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