Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when to plant gayfeather is to consult the USDA zone info for Cambridge.

Planting Calendar for Gayfeather

Frost tolerance for gayfeather:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Gayfeather do well in pretty solid cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant gayfeather in Cambridge 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 gayfeather and expect a good harvest is probably September. If you wait any later than that and your gayfeather may not have a chance to really do well. Starting your gayfeather indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Cambridge. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Cambridge 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 Cambridge you get surprised by a frost after April 15 be ready to protect your gayfeather if you have one of those late frosts.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 6b.

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

Plants to Grow in Cambridge

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