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.

In Somerville you can estimate when it's the best time to plant pampas grass by reviewing the USDA zone info.

Planting Calendar for Pampas Grass

Frost tolerance for pampas grass:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant pampas grass until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant pampas grass in Somerville 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 pampas grass and expect a good harvest is probably August. If you wait any later than that and your pampas grass may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pampas grass indoors.

Last Frost Date

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

Since the USDA zone info for Somerville is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Somerville you get surprised by a frost after April 15 so always be ready to cover your pampas grass if you have a surprise late frost.

USDA Zone Info for Somerville

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 Somerville

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