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

By looking at the USDA zone info for Hoquiam you will be able to figure out when it's possible to plant tall phlox.

Planting Calendar for Tall Phlox

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

Since tall phlox are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant tall phlox in Hoquiam 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 tall phlox and expect a good harvest is probably October. Any later than that and your tall phlox may not have a chance to fully mature. If you are starting your tall phlox indoors then you might be able to get away with starting them a few weeks earlier.

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 can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Hoquiam is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hoquiam it frosts late in the year after February 15 be ready to protect your tall phlox if you have one of those late frosts.

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.