The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when to plant lenten rose by checking out the USDA zone info for Somerville.

Planting Calendar for Lenten Rose

Frost tolerance for lenten rose:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lenten Rose do ok in a little bit of cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant lenten rose in Somerville 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 lenten rose and expect a good harvest is probably September. Any later than that and your lenten rose may not have a chance to grow to maturity. Starting your lenten rose indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Somerville. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Somerville 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 Somerville you get surprised by a frost after April 15 so just be sure to be ready to cover your lenten rose 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.