The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Manteca should be reviewed to figure out when you can plant cuphea.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant cuphea until after all chance of frost has passed because they require warm weather.

The earliest that you can plant cuphea 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 cuphea and expect a good harvest is probably September. If you wait any later than that and your cuphea may not have a chance to really do well. You can get started a little bit earlier by starting your cuphea indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Manteca. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Manteca is not always accurate the actual date of last frost will vary from year to year. Half of the time in Manteca you get surprised by a frost after February 15 so always be ready to cover your cuphea 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.