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When to Plant Ruby Grass in Harlingen, TX

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.

The USDA zone info for Harlingen should be reffered to in order to figure out when it's a good idea 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.

You can plant ruby grass just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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 Harlingen is February. However, you really should wait until March 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 September. 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. If you are starting your ruby grass indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Harlingen. It might get as low as 25°F during the coldest months of winter.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Harlingen and it is different every year. Half of the time in Harlingen it frosts late in the year after February 15 so just be sure to be ready to cover your ruby grass if you have a surprise late frost.

USDA Zone Info for Harlingen

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Harlingen

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