One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant steirodiscus in Wilmette should be determined by reviewing the USDA zone info.

Planting Calendar for Steirodiscus

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

Since steirodiscus do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant steirodiscus in Wilmette 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 steirodiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your steirodiscus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your steirodiscus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Wilmette. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Wilmette may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Wilmette you get surprised by a frost after April 15 be ready to protect your steirodiscus if you have one of those late frosts.

USDA Zone Info for Wilmette

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 Wilmette

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