When to Plant Calliopsis in Hoquiam, WA

The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Hoquiam should be used to figure out when it's a good idea to plant calliopsis.


Planting Calendar for Calliopsis

Frost tolerance for calliopsis: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You really shouldn't plant calliopsis until after all chance of frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant calliopsis
Possibly ok, but a risky time to plant calliopsis
Probably not a good time to plant calliopsis

The earliest that you can plant calliopsis in Hoquiam is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant calliopsis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your calliopsis may not have a chance to fully mature. Starting your calliopsis indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Hoquiam. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Hoquiam is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Hoquiam last frost occurs after February 15 be ready to protect your calliopsis if you have 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 Low20°F
Highest Expected Low25°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.