One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 Riverbank can be figured out 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 has passed.

Morning Glory are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant morning glory in Riverbank is March. However, you really should wait until April 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 September. You probably don't want to wait any later than that or else 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

In Riverbank the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Riverbank is just an average and the actual date of last frost changes from year to year. Since half of the time in Riverbank you get surprised by a frost after February 15 be ready to cover your morning glory in the event of a surprise late frost.

USDA Zone Info for Riverbank

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Riverbank

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