One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant clover is to look at the USDA zone info for San Luis Obispo.

Planting Calendar for Clover

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

You can plant clover slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant clover 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 clover and expect a good harvest is probably September. You probably don't want to wait any later than that or else your clover may not have a chance to really do well. Starting your clover indoors is a great way to get them started a couple of weeks earlier.

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.

Always keep in mind that USDA zone info for San Luis Obispo is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Luis Obispo it frosts late in the year after February 15 be ready to cover your clover if you have a surprise 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.