One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Romeoville you can figure out when to plant chamomile by looking at 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 moderate cold which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant chamomile in Romeoville 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. If you wait any later than that and your chamomile may not have a chance to really do well. You can get started a little bit earlier by starting your chamomile indoors.

Last Frost Date

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

Since the USDA zone info for Romeoville is just an average the actual date of last frost changes from year to year. Since half of the time in Romeoville you get a frost after April 15 be ready to cover your chamomile in the event of a late frost.

USDA Zone Info for Romeoville

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 Romeoville

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