When can I plant Ruby Grass in Zone 1b

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

By using the USDA zone info for Zone 1b it's possible to estimate 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 you should plant them: Up to 3 weeks before last frost.

Since ruby grass are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant ruby grass
Possibly ok, but a risky time to plant ruby grass
Probably not a good time to plant ruby grass

The earliest that you can plant ruby grass in Zone 1b is June. However, you really should wait until July 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 July. You probably don't want to wait any later than that or else your ruby grass may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your ruby grass indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1b. We can expect an average low temperature of -55°F in the coldest months of winter.

Since the USDA zone info for Zone 1b may not be accurate from year to year our actual date of last frost is different every year. Since half of the time in Zone 1b there is a last frost after June 15 be ready to protect your ruby grass in the event of one of those late frosts.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.