When to Plant Snow peas in Manhattan, 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.

The best time to plant snow peas in Manhattan can 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.

You can plant snow peas much earlier in the year because they are very cold tolerant.

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

The earliest that you can plant snow peas in Manhattan 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. If you wait any later than that and your snow peas may not have a chance to really do well. Starting your snow peas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Manhattan. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Manhattan and it can change quite a bit from year to year. Since half of the time in Manhattan last frost occurs after April 15 be ready to protect your snow peas if you have a late frost.

USDA Zone Info for Manhattan

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 Manhattan

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