Summer Turf Tips for Houston Lawns: Watering, Mowing & More
Introduction
When Houston’s summer heat arrives, lawn care gets simpler in one sense — and less forgiving in another. In Episode 5 of the Houston Grass Podcast, Michael Romine shares a mid-summer update from the Houston Grass lot: fresh St. Augustine arriving by the pallet, pre-sold Palmetto stacked across the parking lot, and a clear shift in what homeowners should be doing now that the rain has stopped. The fungus calls of early summer have given way to one priority — turning the irrigation back on. This post covers the essentials from the episode: how much to water, how often to mow, why fertilizer should wait until September, and why fresh sod is still available even on the hottest days of the year.
Key Takeaways
- Established Houston lawns need one inch of water per week to keep thriving through summer.
- Water two to three days a week with good, deep, heavy waterings rather than light daily sprinkles.
- Do not apply fertilizer during the summer heat — the next application window is around September.
- Mow at least weekly through the growing season.
- With summer rain largely stopped, irrigation systems need to be turned back on to make up the difference.
- Houston Grass receives fresh sod deliveries nearly every day of the year, even during peak summer heat.
- Pallets and pieces are typically in stock, and specialty grasses are usually available with a couple of days’ notice.
Turn the Water Back On: One Inch Per Week
Earlier in the season, the phones at Houston Grass were busy with fungus questions — a symptom of wet conditions. Now the rain has stopped, and the conversation has flipped entirely. The job for homeowners is turning irrigation systems back on and making sure established grass gets one inch of water per week.
That inch is the baseline that keeps a Houston lawn thriving through the heat. When rainfall was doing part of the work, irrigation could ease off. With the sky no longer contributing, the full inch has to come from your sprinklers or hose.
Water Deep, Two to Three Days a Week
How you deliver that inch matters as much as the total. Romine’s guidance is to water two to three days a week with good, deep, heavy waterings — not a light pass every morning.
Houston Grass has explained the reasoning in past episodes: shallow daily watering trains roots to stay near the surface, because the plant never has to search for moisture. Fewer, heavier waterings push water deeper into the soil, and roots chase it down. The result is a stronger plant that holds up better when heat and drought stress arrive.
Hold the Fertilizer Until September
One of the clearest instructions in the episode: no fertilizer this time of year. The next fertilization window Houston Grass will be talking about is around September.
This is a case where doing less is doing right. Summer heat and fertilizer are a risky combination for warm-season turf, and the safest move is to let the lawn run on water and mowing alone until temperatures start to break. Homeowners who fertilized on schedule in spring have already given their grass what it needs to get through the hot months.
Keep Mowing Weekly
Alongside watering, the other half of the summer routine is mowing — at least weekly. Grass that’s being watered properly is still actively growing through the heat, and letting it get away from you between cuts stresses the turf. A consistent weekly mow, paired with the one-inch watering schedule, is the entire summer maintenance program: water and mow, and skip everything else until fall.
Fresh Sod Is Still Available — Even in the Heat
The episode opens on the Houston Grass lot, where a load of St. Augustine had arrived just hours earlier and several pre-sold pallets of Palmetto St. Augustine sat across the parking lot. That scene illustrates a point Romine emphasizes: even on hot summer days when temperatures are off the charts, Houston Grass has fresh grass.
The reason comes down to inventory turnover. Selling grass is the only thing the company does, so sod moves through the lot quickly and arrives fresh most every day of the year. Competitors who turn their inventory less frequently have a much tougher time keeping fresh sod on hand in this heat — and freshness matters most in summer, when cut sod is under the greatest stress.
If you need pallets or pieces, Houston Grass has them. Specialty grasses are usually available too, given a couple of days’ notice. Call with questions or to place an order.
Frequently Asked Questions
Q: How much should I water my lawn in Houston during the summer? A: Established lawns need one inch of water per week. Deliver it over two to three days a week with deep, heavy waterings rather than light daily sprinkles, which encourage shallow roots.
Q: Should I fertilize my Houston lawn in the summer? A: No. Houston Grass recommends no fertilizer during the summer heat. The next fertilization window is around September.
Q: How often should I mow during a Houston summer? A: Mow at least weekly. Grass that’s being watered properly continues growing through the heat, and weekly mowing keeps it healthy without over-stressing the turf.
Q: Can I still buy fresh sod during the hottest part of summer? A: Yes. Houston Grass receives fresh sod deliveries most every day of the year, with pallets and pieces typically in stock. Specialty grasses are usually available with a couple of days’ notice.
