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

The USDA zone info for Glendora can be looked at to determine when it's a good idea to plant chives.

Planting Calendar for Chives

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

Chives do well in cold weather which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant chives 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 chives and expect a good harvest is probably October. Any later than that and your chives may not have a chance to grow to maturity. If you are starting your chives indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Glendora the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Glendora may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Glendora you get surprised by a frost after January 31 be ready to protect your chives if you have one of those late frosts.

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.