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.

The USDA zone info for Estherville can be read to figure out when it's possible to plant chamomile.

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 a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chamomile in Estherville 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 fully mature. Starting your chamomile indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Estherville. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Estherville may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Estherville you get a frost after April 15 so just be sure to be ready to protect your chamomile in the event of a late frost.

USDA Zone Info for Estherville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Estherville

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