One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant stoneseed in San Dimas should be determined by using the USDA zone info.

Planting Calendar for Stoneseed

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

Since stoneseed do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant stoneseed in San Dimas is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant stoneseed and expect a good harvest is probably September. Any later than that and your stoneseed may not have a chance to really do well. If you are starting your stoneseed indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in San Dimas. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for San Dimas is just an average the actual date of last frost changes from year to year. Since half of the time in San Dimas you get a frost after January 31 be ready to protect your stoneseed if you have a surprise late frost.

USDA Zone Info for San Dimas

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Dimas

You may be interested in your other planting guides for San Dimas.