One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

A way of getting a good idea when it's a good idea to plant chamomile is to look at the USDA zone info for Corvallis.

Planting Calendar for Chamomile

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

Chamomile can survive in some cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant chamomile in Corvallis 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. Starting your chamomile indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Corvallis. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Corvallis may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Corvallis last frost occurs after March 15 be ready to protect your chamomile if you have a late frost.

USDA Zone Info for Corvallis

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Corvallis

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