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.

The USDA zone info for Umatilla should be read to figure out when it's the best time to plant chamomile.

Planting Calendar for Chamomile

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

Chamomile tend to make it in a little bit of cold which tells us that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant chamomile in Umatilla 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 chamomile and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chamomile may not have a chance to really do well. If you are starting your chamomile indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Umatilla the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

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

USDA Zone Info for Umatilla

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 Low	5°F
Highest Expected Low	10°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 Umatilla

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