One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Cambridge can be used to determine when it's the best time to plant ruby grass.

Planting Calendar for Ruby Grass

Frost tolerance for ruby grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Ruby Grass do ok in moderate cold which means that you can start planting them slightly earlier than more sensitive plants.

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

The last month that you can plant ruby grass and expect a good harvest is probably August. If you wait any later than that and your ruby grass may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your ruby grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Cambridge. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Cambridge is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Cambridge there is a last frost after April 15 be ready to protect your ruby grass in the event of a late frost.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 7b.

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

Plants to Grow in Cambridge

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