No, buffalo grass water needs are among the lowest of any lawn grass you can plant. Once it takes root, this grass lives on a fraction of the water that other turf types demand from you.
I made every watering mistake possible when I first switched from bluegrass to buffalo grass. My old lawn needed three irrigation sessions per week during summer, so I kept that same schedule going. Within a month, my buffalo grass developed brown patch fungus from the excess moisture. Once I cut back to watering every two weeks, the lawn bounced back and my water bill dropped by about $150 per month during peak summer. That one change made all the difference for my lawn and my wallet.
Colorado State Extension puts the numbers in clear terms. Your established lawn needs just 1 to 2 inches of water every 2 to 4 weeks in the growing season. The Prestige type holds up at just 25 millimeters (about 1 inch) per month. Bluegrass needs 1 to 1.5 inches every single week. Watering buffalo grass on the right plan saves you 50-75% on your water bill over the whole season.
The science behind drought tolerant buffalo grass explains why it handles dry conditions so well. Buffalo grass sends roots 4 to 6 feet deep into the soil profile, reaching moisture that short-rooted grasses can't access. When surface conditions get dry, the grass uses a drought-avoidance strategy. It goes semi-dormant, slowing its growth and turning a lighter green to conserve moisture. This isn't damage. The grass is protecting itself and will green back up when water returns.
The establishment phase is the one time when watering buffalo grass requires more attention. New plugs and sod need consistent moisture for the first 6 to 8 weeks to develop strong roots. Water lightly each day for the first three weeks, then taper off to twice per week for the next month. After that, transition to the standard every-two-week schedule. Seeded lawns follow the same pattern but may need the frequent watering phase extended by a week or two.
Rainfall adjustments keep your buffalo grass irrigation schedule on track. After a storm that drops half an inch or more, skip your next scheduled watering and let the grass use what nature gave it. Most Great Plains locations receive enough summer rainfall that you only need to water a few times during the hottest stretch. In extreme drought years, one deep soak per month keeps the grass alive even if it goes semi-dormant between waterings.
Think of drought tolerant buffalo grass as a savings account for your yard. It stores water deep in its root system and spends it wisely over weeks instead of burning through it in days like bluegrass does. Set your sprinklers to run less often but for longer sessions so water soaks deep into the soil. This approach matches how the grass grows and keeps your lawn healthy with minimal water input all season long.
Read the full article: Buffalo Grass Care and Growing Guide
