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.

You should be able to determine when it's a good idea to plant morning glory by looking at the USDA zone info for Rochester.

Planting Calendar for Morning Glory

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

Since morning glory do not do well in cold weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant morning glory in Rochester is April. However, you really should wait until May 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. If you are starting your morning glory indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Rochester is not always accurate the actual date of last frost changes from year to year. Half of the time in Rochester you get surprised by a frost after April 15 so always be ready to cover your morning glory if you have one of those late frosts.

USDA Zone Info for Rochester

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 Rochester

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