When to Plant Stoneseed in Yorkville, IL

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

You can estimate when to plant stoneseed in Yorkville by using the USDA zone info.

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Planting Calendar for Stoneseed

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

It's probably not a good idea to plant stoneseed until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant stoneseed
Possibly ok, but a risky time to plant stoneseed
Probably not a good time to plant stoneseed

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

Last Frost Date

The average date of last frost is April 15 in Yorkville. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Yorkville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Yorkville it frosts late in the year after April 15 so make sure that you are prepared to protect your stoneseed if you have a late frost.

USDA Zone Info for Yorkville

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 Yorkville

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