One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant morning glory is to examine the USDA zone info for Storm Lake.

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.

It's probably not a good idea to plant morning glory until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant morning glory in Storm Lake 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 Storm Lake. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Storm Lake is an average and the actual date of last frost will vary from year to year. Since half of the time in Storm Lake there is a last frost after April 15 be ready to protect your morning glory in the event of a surprise late frost.

USDA Zone Info for Storm Lake

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Storm Lake

You may be interested in your other planting guides for Storm Lake.