One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Jamestown you can figure out when you can plant morning glory by using the USDA zone info.

Planting Calendar for Morning Glory

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

Morning Glory require warm weather which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant morning glory in Jamestown is May. However, you really should wait until June if you don't want to take any chances.

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

Last Frost Date

The average date of last frost is May 15 in Jamestown. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Jamestown is an average the actual date of last frost is different every year. Since half of the time in Jamestown you get a frost after May 15 be ready to cover your morning glory if you have one of those late frosts.

USDA Zone Info for Jamestown

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Jamestown

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