One of the best tools that you have as gardeners to help us estimate 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 Diego can be looked at to estimate when it's a good idea to plant sweetscented bedstraw.

Planting Calendar for Sweetscented Bedstraw

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

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

The earliest that you can plant sweetscented bedstraw in San Diego 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 sweetscented bedstraw and expect a good harvest is probably September. You probably don't want to wait any later than that or else your sweetscented bedstraw may not have a chance to fully mature. You can get started a little bit earlier by starting your sweetscented bedstraw indoors.

Last Frost Date

On average the last frost is on February 15 in San Diego. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for San Diego and it changes from year to year. Since half of the time in San Diego last frost occurs after February 15 be ready to cover your sweetscented bedstraw if you have a late frost.

USDA Zone Info for San Diego

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in San Diego

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