When to Plant Stoneseed in Carbondale, IL

One of the first steps you take when you are making a decision about 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.

The best time to plant stoneseed in Carbondale should be determined by referring to the USDA zone info.


Planting Calendar for Stoneseed

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

Since stoneseed are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

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 Carbondale 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. If you wait any later than that and your stoneseed may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your stoneseed indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Carbondale. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Carbondale is not always accurate the actual date of last frost will vary from year to year. Half of the time in Carbondale you get surprised by a frost after April 15 so just be sure to be ready to cover your stoneseed in the event of one of those late frosts.

USDA Zone Info for Carbondale

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Carbondale

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