One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for San Luis Obispo can be looked at to estimate when it's a good idea to plant painted daisies.

Planting Calendar for Painted Daisies

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

Painted Daisies are moderately cold tolerant which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant painted daisies in San Luis Obispo 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 painted daisies and expect a good harvest is probably October. Any later than that and your painted daisies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your painted daisies indoors.

Last Frost Date

In San Luis Obispo the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for San Luis Obispo may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in San Luis Obispo it frosts late in the year after February 15 so make sure that you are prepared to cover your painted daisies if you have one of those late frosts.

USDA Zone Info for San Luis Obispo

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 Low	25°F
Highest Expected Low	30°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 San Luis Obispo

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