The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In San Luis Obispo you can figure out when you can plant lavender by reviewing the USDA zone info.

Planting Calendar for Lavender

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

Since lavender do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant lavender 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 lavender and expect a good harvest is probably October. Any later than that and your lavender may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lavender indoors.

Last Frost Date

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

Since the USDA zone info for San Luis Obispo may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in San Luis Obispo there is a last frost after February 15 be ready to protect your lavender in the event of 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.