One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when to plant matricaria in San Bernardino by reviewing the USDA zone info.

Planting Calendar for Matricaria

Frost tolerance for matricaria:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Matricaria are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant matricaria in San Bernardino 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 matricaria and expect a good harvest is probably October. You probably don't want to wait any later than that or else your matricaria may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your matricaria indoors.

Last Frost Date

The average date of last frost is February 15 in San Bernardino. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for San Bernardino is just an average the actual date of last frost will vary from year to year. Since half of the time in San Bernardino you get surprised by a frost after February 15 be ready to cover your matricaria if you have a late frost.

USDA Zone Info for San Bernardino

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 San Bernardino

You may be interested in your other planting guides for San Bernardino.