One of the first steps you take when you are determining 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.

One way of estimating when it's the best time to plant scaevola is to look at the USDA zone info for East Alton.

Planting Calendar for Scaevola

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

It's probably not a good idea to plant scaevola until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant scaevola in East Alton 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 fully mature. Starting your scaevola indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in East Alton. You can expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for East Alton may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in East Alton there is a last frost after April 15 so be sure to be ready to cover your scaevola in the event of one of those late frosts.

USDA Zone Info for East Alton

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 East Alton

You may be interested in your other planting guides for East Alton.