One of the first steps you take when you are making a decision about 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.

In Walla Walla you can estimate when it's possible to plant galium by referring to the USDA zone info.

Planting Calendar for Galium

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

Since galium are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant galium in Walla Walla 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 galium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your galium may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your galium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Walla Walla. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Walla Walla and it changes from year to year. Half of the time in Walla Walla last frost occurs after April 15 so make sure that you are ready to protect your galium if you have a late frost.

USDA Zone Info for Walla Walla

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Walla Walla

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