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.

In Princeton you can figure out when it's the best time to plant chamomile by using 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.

You can plant chamomile just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chamomile in Princeton 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. You probably don't want to wait any later than that or else your chamomile may not have a chance to grow to maturity. You can get started a little bit earlier by starting your chamomile indoors.

Last Frost Date

In Princeton the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Princeton may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Princeton there is a last frost after March 15 so make sure that you are prepared to cover your chamomile if you have a late frost.

USDA Zone Info for Princeton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Princeton

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