The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Petaluma can be used to determine when 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.

Since sweetscented bedstraw are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant sweetscented bedstraw in Petaluma 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. If you wait any later than that and your sweetscented bedstraw may not have a chance to really do well. If you are starting your sweetscented bedstraw indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Petaluma the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Petaluma is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Petaluma last frost occurs after February 15 be ready to protect your sweetscented bedstraw in the event of a late frost.

USDA Zone Info for Petaluma

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 Petaluma

You may be interested in your other planting guides for Petaluma.