One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when it's possible to plant gomphrena is to use the USDA zone info for Hoquiam.

Planting Calendar for Gomphrena

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

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

The earliest that you can plant gomphrena in Hoquiam 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 gomphrena and expect a good harvest is probably September. If you wait any later than that and your gomphrena may not have a chance to fully mature. You can get started a little bit earlier by starting your gomphrena indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Hoquiam. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Hoquiam is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hoquiam you get a frost after February 15 be ready to cover your gomphrena in the event of a surprise late frost.

USDA Zone Info for Hoquiam

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 Hoquiam

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