When to Plant Argyranthemum in Clarkston, WA

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

You can determine when to plant argyranthemum in Clarkston by reviewing the USDA zone info.


Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum: Not tolerant of frost.
When to plant: After the last frost has passed.

Argyranthemum require warm weather which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

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

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

The last month that you can plant argyranthemum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your argyranthemum may not have a chance to really do well. If you are starting your argyranthemum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clarkston. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Clarkston is an average and the actual date of last frost changes from year to year. Half of the time in Clarkston you get a frost after April 15 so make sure that you are ready to cover your argyranthemum if you have a late frost.

USDA Zone Info for Clarkston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Clarkston

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