The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when to plant chamomile by using the USDA zone info for Rice Lake.

Planting Calendar for Chamomile

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

Since chamomile are moderately cold tolerant you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant chamomile in Rice Lake is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chamomile and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chamomile may not have a chance to fully mature. Starting your chamomile indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Rice Lake the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Rice Lake and it is different every year. Since half of the time in Rice Lake you get surprised by a frost after May 15 be ready to cover your chamomile in the event of one of those late frosts.

USDA Zone Info for Rice Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Rice Lake

You may be interested in your other planting guides for Rice Lake.