One of the best tools that you have as gardeners to help us estimate 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.

One way of estimating when it's a good idea to plant chamomile is to check out the USDA zone info for Evanston.

Planting Calendar for Chamomile

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

Chamomile are moderately cold tolerant which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant chamomile in Evanston 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. You can get started a couple of weeks earlier by starting your chamomile indoors.

Last Frost Date

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

Remember that USDA zone info for Evanston 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 Evanston last frost occurs after April 15 be ready to cover your chamomile if you have one of those late frosts.

USDA Zone Info for Evanston

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Evanston

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