When to Plant Ruby Grass in Darien, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant ruby grass in Darien by using the USDA zone info.


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.

Since ruby grass do ok in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

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 Darien 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. Any later than that and your ruby grass may not have a chance to fully mature. If you are starting your ruby grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Darien. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Darien is an average the actual date of last frost is different every year. Since half of the time in Darien there is a last frost after April 15 be ready to protect your ruby grass in the event of one of those late frosts.

USDA Zone Info for Darien

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Darien

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