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 best time to plant sutera in San Luis Obispo can be determined by checking out the USDA zone info.

Planting Calendar for Sutera

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

You can plant sutera a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant sutera in San Luis Obispo 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 sutera and expect a good harvest is probably September. If you wait any later than that and your sutera may not have a chance to fully mature. You can get started a few weeks earlier by starting your sutera indoors.

Last Frost Date

The average date of last frost is February 15 in San Luis Obispo. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for San Luis Obispo is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in San Luis Obispo you get a frost after February 15 be ready to cover your sutera if you have a late frost.

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.