One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when to plant tritoma is to check out the USDA zone info for Imperial Beach.

Planting Calendar for Tritoma

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

Tritoma can survive in pretty solid cold which tells us that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant tritoma in Imperial Beach 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 really do well. If you are starting your tritoma indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Imperial Beach. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Imperial Beach is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Imperial Beach you get surprised by a frost after January 31 be ready to protect your tritoma in the event of a late frost.

USDA Zone Info for Imperial Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Imperial Beach

You may be interested in your other planting guides for Imperial Beach.