The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Cambridge you can determine when it's the best time to plant scaevola by using the USDA zone info.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant scaevola until after the last frost because they are not cold tolerant.

The earliest that you can plant scaevola in Cambridge is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant scaevola and expect a good harvest is probably August. Any later than that and your scaevola may not have a chance to really do well. You can get started a few weeks earlier by starting your scaevola indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Cambridge. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Cambridge is just an average the actual date of last frost changes from year to year. Half of the time in Cambridge last frost occurs after April 15 so always be ready to cover your scaevola 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.