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

The earliest that you can plant salvia in Mokena can be estimated by looking at the USDA zone info.

Planting Calendar for Salvia

Frost tolerance for salvia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Salvia do ok in moderate cold which means that you can get them planted just a bit earlier than other plants that might not handle the cold.

The earliest that you can plant salvia in Mokena is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant salvia and expect a good harvest is probably August. Any later than that and your salvia may not have a chance to really do well. Starting your salvia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mokena. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Mokena may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Mokena it frosts late in the year after April 15 be ready to cover your salvia in the event of a surprise late frost.

USDA Zone Info for Mokena

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 Mokena

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