One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when it's the best time to plant chamomile is to check out the USDA zone info for Ada.

Planting Calendar for Chamomile

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

You can plant chamomile a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant chamomile in Ada 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. If you are starting your chamomile indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Ada. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Ada and it is different every year. Half of the time in Ada you get surprised by a frost after April 15 so be sure to be ready to protect your chamomile if you have one of those late frosts.

USDA Zone Info for Ada

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Ada

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