Before planting it is a good idea to find your USDA Zone info to estimate 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 USDA zone info for Pismo Beach should be looked at to estimate when it's possible to plant hardy asters.

Planting Calendar for Hardy Asters

Frost tolerance for hardy asters:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Hardy Asters can survive in very little cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

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

Last Frost Date

On average all chance of frost has passed is on January 31 in Pismo Beach. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Pismo Beach may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Pismo Beach you get a frost after January 31 be ready to protect your hardy asters if you have a late frost.

USDA Zone Info for Pismo Beach

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 Pismo Beach

You may be interested in your other planting guides for Pismo Beach.