The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Glendora you can figure out when it's a good idea to plant asparagus by looking at the USDA zone info.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since asparagus do well in cold you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant asparagus in Glendora is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably October. If you wait any later than that and your asparagus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your asparagus 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.

Since the USDA zone info for Glendora is an average the actual date of last frost will vary from year to year. Since half of the time in Glendora you get surprised by a frost after January 31 be ready to cover your asparagus in the event of 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.