The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Petaluma you will be able to determine when it's the best time to plant galium.

Planting Calendar for Galium

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

Galium do ok in moderate cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant galium in Petaluma 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 galium and expect a good harvest is probably October. You probably don't want to wait any later than that or else your galium may not have a chance to really do well. If you are starting your galium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Petaluma the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Petaluma may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Petaluma you get a frost after February 15 so make sure that you are prepared to cover your galium in the event of one of those late frosts.

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.