One of the first steps you take when you are estimating your gardening schedule is find your 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.

By checking out the USDA zone info for Ambler you should be able to determine when you can 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 are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chamomile in Ambler 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. Any later than that and your chamomile may not have a chance to fully mature. If you are starting your chamomile indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ambler. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Ambler is an average the actual date of last frost will vary from year to year. Half of the time in Ambler you get surprised by a frost after April 15 so just be sure to be ready to protect your chamomile in the event of a surprise late frost.

USDA Zone Info for Ambler

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Ambler

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