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.

In Lansing you can determine when it's a good idea to plant sweet peas by reviewing the USDA zone info.

Planting Calendar for Sweet Peas

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

Since sweet peas are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant sweet peas in Lansing 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 sweet peas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweet peas may not have a chance to fully mature. You can get started a little bit earlier by starting your sweet peas indoors.

Last Frost Date

The average date of last frost is April 15 in Lansing. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Lansing may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Lansing you get surprised by a frost after April 15 be ready to protect your sweet peas if you have a late frost.

USDA Zone Info for Lansing

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 Lansing

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