One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant ruby grass is to refer to the USDA zone info for Round Lake.

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 are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant ruby grass in Round Lake 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. You probably don't want to wait any later than that or else your ruby grass may not have a chance to really do well. If you are starting your ruby grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Round Lake. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Round Lake may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Round Lake it frosts late in the year after April 15 so make sure that you are ready to cover your ruby grass if you have a late frost.

USDA Zone Info for Round Lake

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 Round Lake

You may be interested in your other planting guides for Round Lake.