Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant morning glory in Henryetta should be estimated by using 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 you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant morning glory in Henryetta 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. Starting your morning glory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Henryetta. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Henryetta may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Henryetta it frosts late in the year after April 15 be ready to protect your morning glory if you have a late frost.

USDA Zone Info for Henryetta

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Henryetta

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