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 earliest that you can plant mecardonia in Riverbank should be estimated by using the USDA zone info.

Planting Calendar for Mecardonia

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

Since mecardonia are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant mecardonia 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 mecardonia and expect a good harvest is probably September. Any later than that and your mecardonia may not have a chance to grow to maturity. If you are starting your mecardonia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Riverbank the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Riverbank is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Riverbank last frost occurs after February 15 be ready to protect your mecardonia in the event of a 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.