One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant scaevola is to check out the USDA zone info for Coldwater.

Planting Calendar for Scaevola

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

You should not plant scaevola until after the last frost because they do not do well in cold weather.

The earliest that you can plant scaevola in Coldwater 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. If you wait any later than that and your scaevola may not have a chance to fully mature. If you are starting your scaevola indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Coldwater the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Coldwater is an average and the actual date of last frost is different every year. Half of the time in Coldwater you get surprised by a frost after April 15 so make sure that you are ready to cover your scaevola if you have a surprise late frost.

USDA Zone Info for Coldwater

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Coldwater

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