Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's possible to plant bell peppers by checking out the USDA zone info for Mill Valley.

Planting Calendar for Bell Peppers

Frost tolerance for bell peppers:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant bell peppers until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bell peppers 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 bell peppers and expect a good harvest is probably September. Any later than that and your bell peppers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bell peppers indoors.

Last Frost Date

In Mill Valley the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Mill Valley is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Mill Valley you get a frost after January 31 so make sure that you are ready to protect your bell peppers if you have 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.