One of the first steps you take when you are figuring out 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 way of estimating when to plant scaevola is to check out the USDA zone info for Vernon Hills.

Planting Calendar for Scaevola

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

You can not plant scaevola until after the last frost has passed because they require warm weather.

The earliest that you can plant scaevola in Vernon Hills 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. Any later than that and your scaevola may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your scaevola indoors.

Last Frost Date

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

Remember that USDA zone info for Vernon Hills may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Vernon Hills it frosts late in the year after April 15 be ready to cover your scaevola if you have a surprise late frost.

USDA Zone Info for Vernon Hills

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Vernon Hills

You may be interested in your other planting guides for Vernon Hills.