One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 Manteca you can figure out when you can 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.

Since morning glory are not cold tolerant you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant morning glory in Manteca 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. If you wait any later than that and your morning glory may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your morning glory indoors.

Last Frost Date

The average date of last frost is February 15 in Manteca. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Manteca is not always accurate the actual date of last frost changes from year to year. Half of the time in Manteca you get surprised by a frost after February 15 so make sure that you are prepared to protect your morning glory if you have a late frost.

USDA Zone Info for Manteca

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 Manteca

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