Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant chrysocephalum in Red Bluff should be determined by checking out the USDA zone info.

Planting Calendar for Chrysocephalum

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

Since chrysocephalum are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant chrysocephalum 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 chrysocephalum and expect a good harvest is probably September. Any later than that and your chrysocephalum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

In Red Bluff the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Red Bluff is just an average the actual date of last frost will vary from year to year. Half of the time in Red Bluff there is a last frost after February 15 so always be ready to protect your chrysocephalum if you have a surprise late frost.

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.