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 first chance to plant chamomile in Bourbonnais should be figured out by reviewing the USDA zone info.

Planting Calendar for Chamomile

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

Chamomile do well in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant chamomile in Bourbonnais 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. Any later than that and your chamomile may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your chamomile indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Bourbonnais. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Bourbonnais is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Bourbonnais you get a frost after April 15 so make sure that you are ready to cover your chamomile in the event of one of those late frosts.

USDA Zone Info for Bourbonnais

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 Bourbonnais

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