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 looking at the USDA zone info for Red Bluff you should be able to figure out when it's a good idea to plant stoneseed.

Planting Calendar for Stoneseed

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

Since stoneseed require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant stoneseed in Red Bluff 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 fully mature. You can get started a couple of weeks earlier by starting your stoneseed indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Red Bluff. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Red Bluff is just an average and the actual date of last frost is different every year. Since half of the time in Red Bluff you get surprised by a frost after February 15 be ready to protect your stoneseed in the event of one of those late frosts.

USDA Zone Info for Red Bluff

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 Red Bluff

You may be interested in your other planting guides for Red Bluff.