One of the first steps you take when you are determining your gardening schedule is find your 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 Rosemead you can figure out when to plant bell peppers by referring to the USDA zone info.

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.

You can not 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 Rosemead 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. You probably don't want to wait any later than that or else your bell peppers may not have a chance to fully mature. You can get started a few weeks earlier by starting your bell peppers indoors.

Last Frost Date

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

Since the USDA zone info for Rosemead is just an average the actual date of last frost is different every year. Half of the time in Rosemead you get a frost after January 31 so always be ready to cover your bell peppers in the event of one of those late frosts.

USDA Zone Info for Rosemead

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 Rosemead

You may be interested in your other planting guides for Rosemead.