When to Plant Basil in Clarkston, WA

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.

The USDA zone info for Clarkston should be reviewed to determine when it's a good idea to plant basil.

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Planting Calendar for Basil

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

You should not plant basil until after the last frost has passed because they are not cold tolerant.

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

The earliest that you can plant basil 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 basil and expect a good harvest is probably August. If you wait any later than that and your basil may not have a chance to really do well. You can get started a little bit earlier by starting your basil indoors.

Last Frost Date

The average date of last frost is April 15 in Clarkston. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Clarkston is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Clarkston last frost occurs after April 15 be ready to protect your basil if you have a surprise 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.