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 San Gabriel can be reffered to in order to figure out when it's a good idea to plant liatris.

Planting Calendar for Liatris

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

Liatris can survive in cold weather which tells us that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant liatris in San Gabriel 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 liatris and expect a good harvest is probably October. If you wait any later than that and your liatris may not have a chance to really do well. You can get started a little bit earlier by starting your liatris indoors.

Last Frost Date

On average the last frost is on January 31 in San Gabriel. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for San Gabriel is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in San Gabriel you get a frost after January 31 so make sure that you are prepared to protect your liatris if you have one of those late frosts.

USDA Zone Info for San Gabriel

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 San Gabriel

You may be interested in your other planting guides for San Gabriel.