
Keeping its exuberant and vibrant of San Agustín can be very easy with adequate care. This popular choice of the grass thrives in warm climates, but requires about 1 inch of water per week To maintain your healthy green color.
Understanding St. Augustinegrass’s irrigation needs can help ensure that your grass remains beautiful and well maintained. We are going to immerse ourselves in the details of the adequate irrigation practices to maintain your lawn thriving.
How much to water St. Augustinegrass per season?

St. Augustinegrass is a popular grass of the warm station that resists most of what a typical southern patio can throw it: partial shadow, heat, humidity and salt (in coastal regions). But it only has moderate drought tolerance. Then, one of the keys of a healthy grass of San Agustín is a consistent and adequate irrigation.
Here is the recommended irrigation calendar for St. Augustinegrass based on seasonal changes:
Spring (March to May)
In spring, St. Augustinegrass begins to wake up from latency and begins to be seen in green. I water your grass once a week, or twice a week on sandy soil. Moisten the ground at a depth of 6 inches, which usually takes around 1 inch of water weeklyincluding rain.
Professional Council: Be attentive to the signs that your grass needs irrigation, such as a bluish gray color or fingerprint impressions that do not go back, to preserve the water and reduce its water invoice.
Summer (June to August)
Summer is when St. Augustinegrass grows more, so it needs more (and more frequent) irrigation due to heat and increased evaporation. I water your grass twice a week (3 times per week on sandy soil), applying on 1 to 1.5 inches of water every weekincluding rain.
Early water in the morning, before 9 am, to reduce evaporation and avoid fungal diseases.
Professional Council: Be attentive to drought stress, especially during hot spells, but Be careful not about water any. Overgiving St. Augustinegrass increases the risk of straw accumulation, which often increases the risk of insect problems and fungal diseases. If you see that the puddles on the grass or the ground feel spongy, this can be a sign of tear your grass.
See related: How often water the grass in summer
Autumn (September to November)
As temperatures cool in autumn, St. Agustine’s herb growth slows down. Reduce irrigation to one or twice a week, Ensure that the grass receives about 1 inch of water per weekincluding rain. Gradually reduces irrigation as temperatures fall and grass growth slows down.
See related: How to water your grass in autumn and winter
Winter (December to February)
St. Augustinegrass is generally inactive in the winter and requires minimal irrigation. Water with approximately 1/2 inch of water every 3 to 4 weeksor more frequently for prolonged dry periods. Be attentive to dehydration signs, such as brown patches, and adjust irrigation accordingly.
Effective Irrigation Tips for St. Augustinegrass

Knowing when to water its San Agustín grass is just the beginning. To truly dominate the irrigation of the lawn, see these essential tips:
- Threaten deeply and rarely: Apply 1/2 to 3/4 of water inch per session to foster the deep growth of the root. This helps grass to be more tolerant of drought.
- Monitor stress by drought: Water only when you notice signs of drought stress, such as a bluish gray color, folded blade blades or visible fingerprints.
- The best time for watering: Early water in the morning, before 9 am, to reduce evaporation and prevent fungal diseases. Avoid afternoon or night irrigation.
- Ensure uniform coverage: Verify your irrigation system regularly to obtain a water distribution. Use straight cans to measure water output (called «capture can try») and adjust sprinklers as necessary.
- Setting for the type of soil: Sandy soils may need more frequent irrigation, while clay soils retain moisture for longer. Adjust your irrigation schedule accordingly.
- Consider the shadow: Areas with more shade or tree cover may need less water. Adjust the irrigation areas to avoid excessive water these areas.
- Follow local irrigation restrictions: Adhering to local guidelines to conserve water, since irrigation restrictions are common in Florida and other southern states. See the website of your local water authority to obtain easy to follow seasonal guidelines.
See related:
Let the experts handle their St. Augustine’s lawn
Maintaining the correct irrigation schedule for St. Augustinegrass is crucial for a prosperous and healthy grass. But remember, proper irrigation is only part of the care of the grass, so combine it with other maintenance practices to obtain the best results.
Do you want the best attention to your lawn? Let the local lawn care professionals handle all their lawn care needs. With expert help, you will have a beautiful and lush grass in a very short time.
Read below:
- «Agrilife Extension St. Augustine Guides available online. «By Gabe Saldana, Strategist of Marketing and Communications of Agrilife.
- «Maintenance of San Agustinegrass Céspedes. «By David Chalmers, associate professor and specialist in Extension Curfgrass, James McAfee, associate professor and specialist in extension grass, and Roger Havlak, specialist in extension programs – Turfgrass and Water Management.
- «St. AugustineGrass’s grass maintenance calendar. «For the experts in grass Gray Miller, Matt Martin, Jim Kerns, Rick Brandenburg, Terri Balleisen and Fred Yelverton.
- «Annual St. AugustineGrass. «By Trent C. Hale, former specialist in extension grass, and Chuck Burgess, former HGIC horticulture extension agent.
Main image: Irrigation St. Augustinegrass. Photo credit: Jennifer / Adobe stock

Rela Catucod
Rela Catucod, writer and garden enthusiast, combines her experience in nutrition plants with useful advice in her articles. With experience in the care of orchids and succulents, she knows the secrets to maintain healthy plants. Its objective is to help garden lovers to grow prosperous and beautiful gardens in their homes.