The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Pontiac you can estimate when to plant morning glory by looking at 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 when the weather gets warmer.

Morning Glory do not do well in cold weather which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant morning glory in Pontiac 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 grow to maturity. 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

On average the last frost is on April 15 in Pontiac. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Pontiac is just an average the actual date of last frost is different every year. Since half of the time in Pontiac you get a frost after April 15 be ready to protect your morning glory if you have a surprise late frost.

USDA Zone Info for Pontiac

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 Pontiac

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