When to Plant Thyme in Toppenish, 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.

The first opportunity to plant thyme in Toppenish should be figured out by checking out the USDA zone info.


Planting Calendar for Thyme

Frost tolerance for thyme: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since thyme do well in cold you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant thyme in Toppenish 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 thyme and expect a good harvest is probably September. Any later than that and your thyme may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your thyme indoors.

Last Frost Date

The average date of last frost is April 15 in Toppenish. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Toppenish is an average and the actual date of last frost will vary from year to year. Half of the time in Toppenish last frost occurs after April 15 so make sure that you are ready to protect your thyme in the event of one of those late frosts.

USDA Zone Info for Toppenish

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Toppenish

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