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

The USDA zone info for Hesperia can be used to determine when it's the best time to plant morning glory.

Planting Calendar for Morning Glory

Frost tolerance for morning glory:	Not tolerant of frost.
When to plant:	After the last frost.

Morning Glory are not cold tolerant which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant morning glory in Hesperia 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 fully mature. Starting your morning glory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Hesperia the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Hesperia is an average the actual date of last frost is different every year. Half of the time in Hesperia last frost occurs after March 15 so make sure that you are ready to protect your morning glory if you have one of those late frosts.

USDA Zone Info for Hesperia

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Hesperia

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