When to Plant Ruby Grass in Laurel, MT

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when you can plant ruby grass by using the USDA zone info for Laurel.


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 some cold which tells us that you can plant them slightly 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 Laurel 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 ruby grass and expect a good harvest is probably August. Any later than that and 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

On average the last frost is on May 15 in Laurel. In the coldest months of winter you can expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Laurel is an average and the actual date of last frost changes from year to year. Half of the time in Laurel last frost occurs after May 15 so make sure that you are ready to protect your ruby grass if you have a late frost.

USDA Zone Info for Laurel

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Laurel

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