Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Yuba City should be used to figure out when you can plant nemesia.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost.

Nemesia are not cold tolerant which tells us that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nemesia in Yuba City 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 nemesia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your nemesia may not have a chance to grow to maturity. If you are starting your nemesia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Yuba City the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

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

USDA Zone Info for Yuba City

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 Yuba City

You may be interested in your other planting guides for Yuba City.