One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant chamomile in Harvard can be estimated by checking out 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.

Since chamomile are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant chamomile in Harvard 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 really do well. Starting your chamomile indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harvard. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Harvard may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Harvard there is a last frost after April 15 be ready to protect your chamomile if you have a late frost.

USDA Zone Info for Harvard

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Harvard

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