One of the first steps you take when you are estimating 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.

In Simi Valley you can estimate when it's a good idea to plant matricaria by looking at 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 do well in moderate cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant matricaria in Simi Valley 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 Simi Valley. You can expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that USDA zone info for Simi Valley is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Simi Valley it frosts late in the year after February 15 so make sure that you are prepared to cover your matricaria in the event of one of those late frosts.

USDA Zone Info for Simi Valley

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 Simi Valley

You may be interested in your other planting guides for Simi Valley.