One of the first steps you take when you are figuring out 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.

You should be able to figure out when it's the best time to plant galium by using the USDA zone info for Napa.

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 a little bit earlier in the year than other frost tender plants.

The earliest that you can plant galium in Napa 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. Any later than that and your galium may not have a chance to really do well. Starting your galium indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Napa. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Napa may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Napa there is a last frost after February 15 so always be ready to protect your galium if you have a surprise late frost.

USDA Zone Info for Napa

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 Napa

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