Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 figuring out when you can plant chamomile is to examine the USDA zone info for Cottage Grove.

Planting Calendar for Chamomile

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

Since chamomile do well in moderate cold you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chamomile in Cottage Grove 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 little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Cottage Grove. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that USDA zone info for Cottage Grove is an average and the actual date of last frost will vary from year to year. Since half of the time in Cottage Grove you get surprised by a frost after May 15 be ready to cover your chamomile if you have one of those late frosts.

USDA Zone Info for Cottage Grove

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Cottage Grove

You may be interested in your other planting guides for Cottage Grove.