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.

It's possible to determine when to plant morning glory by referring to the USDA zone info for Marinette.

Planting Calendar for Morning Glory

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

It's a bad idea to plant morning glory until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant morning glory in Marinette 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. If you wait any later than that and 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 Marinette. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Marinette and it can change quite a bit from year to year. Half of the time in Marinette there is a last frost after April 15 so just be sure to be ready to cover your morning glory in the event of a late frost.

USDA Zone Info for Marinette

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 Marinette

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