Before planting it is a good idea to find your USDA Zone info to determine 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 asters in Westlake Village can be estimated by using the USDA zone info.

Planting Calendar for Asters

Frost tolerance for asters:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Asters are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant asters in Westlake Village 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 asters and expect a good harvest is probably October. Any later than that and your asters may not have a chance to grow to maturity. You can get started a little bit earlier by starting your asters indoors.

Last Frost Date

The average date of last frost is January 31 in Westlake Village. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Westlake Village may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Westlake Village it frosts late in the year after January 31 so just be sure to be ready to cover your asters if you have a late frost.

USDA Zone Info for Westlake Village

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 Westlake Village

You may be interested in your other planting guides for Westlake Village.