When to Plant Asters in Goleta, CA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Goleta you can estimate when it's possible to plant asters by looking at 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 do ok in a little bit of cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asters
Possibly ok, but a risky time to plant asters
Probably not a good time to plant asters

The earliest that you can plant asters in Goleta 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. If you wait any later than that and your asters may not have a chance to really do well. Starting your asters indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Goleta. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Goleta is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Goleta you get surprised by a frost after February 15 so be sure to be ready to protect your asters if you have a late frost.

USDA Zone Info for Goleta

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Goleta

You may be interested in your other planting guides for Goleta.