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.

By looking at the USDA zone info for Warrenville you will be able to estimate when it's possible to plant scaevola.

Planting Calendar for Scaevola

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

You really shouldn't plant scaevola until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant scaevola in Warrenville 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 grow to maturity. 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 Warrenville. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Warrenville and it changes from year to year. Half of the time in Warrenville there is a last frost after April 15 so make sure that you are prepared to protect your scaevola if you have a late frost.

USDA Zone Info for Warrenville

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 Warrenville

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