One of the first steps you take when you are determining 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.

By using the USDA zone info for Patterson you should be able to figure out when it's possible to plant stoneseed.

Planting Calendar for Stoneseed

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

Stoneseed require warm weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant stoneseed in Patterson 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 stoneseed and expect a good harvest is probably September. Any later than that and your stoneseed may not have a chance to grow to maturity. You can get started a little bit earlier by starting your stoneseed indoors.

Last Frost Date

In Patterson the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Patterson is an average and the actual date of last frost is different every year. Since half of the time in Patterson there is a last frost after February 15 be ready to protect your stoneseed in the event of a late frost.

USDA Zone Info for Patterson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Patterson

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