Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant snow peas in Carol Stream should be figured out by reviewing the USDA zone info.

Planting Calendar for Snow peas

Frost tolerance for snow peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since snow peas do well in cold you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant snow peas in Carol Stream is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant snow peas and expect a good harvest is probably September. Any later than that and your snow peas may not have a chance to really do well. You can get started a little bit earlier by starting your snow peas indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Carol Stream. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Carol Stream is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Carol Stream there is a last frost after April 15 be ready to protect your snow peas if you have one of those late frosts.

USDA Zone Info for Carol Stream

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 Carol Stream

You may be interested in your other planting guides for Carol Stream.