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.

The first chance to plant bell peppers in Upland should be estimated by checking out 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 has passed.

Since bell peppers do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant bell peppers in Upland 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 really do well. If you are starting your bell peppers indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Upland. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Upland is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Upland last frost occurs after January 31 so always be ready to cover your bell peppers if you have a surprise late frost.

USDA Zone Info for Upland

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 Upland

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