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.

A common way of estimating when it's a good idea to plant mustard is to check out the USDA zone info for Glendora.

Planting Calendar for Mustard

Frost tolerance for mustard:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Mustard are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant mustard in Glendora 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 mustard and expect a good harvest is probably September. You probably don't want to wait any later than that or else your mustard may not have a chance to really do well. You can get started a little bit earlier by starting your mustard indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Glendora is an average and the actual date of last frost changes from year to year. Since half of the time in Glendora there is a last frost after January 31 be ready to cover your mustard if you have a late frost.

USDA Zone Info for Glendora

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 Glendora

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