The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Sparta you can estimate when it's a good idea to plant morning glory by reviewing 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.

Morning Glory do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant morning glory in Sparta 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 fully mature. You can get started a little bit earlier by starting your morning glory indoors.

Last Frost Date

The average date of last frost is May 15 in Sparta. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Sparta is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sparta you get surprised by a frost after May 15 so always be ready to protect your morning glory if you have a late frost.

USDA Zone Info for Sparta

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sparta

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