One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

In Mill Valley you can figure out when it's possible to plant nemesia by reviewing the USDA zone info.

Planting Calendar for Nemesia

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

It's a bad idea to plant nemesia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant nemesia in Mill Valley is February. However, you really should wait until March 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. Any later than that and your nemesia may not have a chance to fully mature. You can get started a few weeks earlier by starting your nemesia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Mill Valley. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Mill Valley is not always accurate the actual date of last frost changes from year to year. Half of the time in Mill Valley you get surprised by a frost after January 31 so just be sure to be ready to cover your nemesia in the event of a late frost.

USDA Zone Info for Mill Valley

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Mill Valley

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