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

It's a good idea to estimate when to plant aurinia by checking out the USDA zone info for Cambridge.

Planting Calendar for Aurinia

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

Since aurinia are very cold tolerant you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant aurinia 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 aurinia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your aurinia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your aurinia indoors.

Last Frost Date

The average date of last frost is April 15 in Cambridge. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Cambridge may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Cambridge you get surprised by a frost after April 15 so just be sure to be ready to cover your aurinia if you have a surprise late frost.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 6a.

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

Plants to Grow in Cambridge

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