One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Oshkosh you can figure out when it's the best time to plant morning glory by referring to 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.

It's probably not a good idea to plant morning glory until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

Last Frost Date

The average date of last frost is April 15 in Oshkosh. You should expect an average low temperature of -20°F in the coldest months of winter.

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

USDA Zone Info for Oshkosh

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 Oshkosh

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