The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant tritoma in Avenal by reviewing the USDA zone info.

Planting Calendar for Tritoma

Frost tolerance for tritoma:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since tritoma are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant tritoma in Avenal is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant tritoma and expect a good harvest is probably October. If you wait any later than that and your tritoma may not have a chance to grow to maturity. Starting your tritoma indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Avenal. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Avenal is just an average the actual date of last frost is different every year. Since half of the time in Avenal it frosts late in the year after February 15 be ready to protect your tritoma in the event of one of those late frosts.

USDA Zone Info for Avenal

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 Avenal

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