St. Augustine Grass (Secundatum)

The St. Augustine Grass (Secundatum) is generally described as a perennial graminoid. This is native to the U.S. (United States) has its most active growth period in the summer and fall . Leaves are not retained year to year. The St. Augustine Grass (Secundatum) has a long life span relative to most other plant species and a rapid growth rate.

The St. Augustine Grass (Secundatum) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by sod, sprigs. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 2°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Rapid
General Type Graminoid
Growth Period Summer, Fall
Growth Duration Perennial
Lifespan Long
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Displays Fall Colors No
Shape/Growth Form Rhizomatous
Drought Tolerance Low
Shade Tolerance Tolerant
Height When Mature 0.9
Vegetative Spread Rapid
Flower Conspicuousness No
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Sod, Sprigs
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature 2
Soil Depth for Roots 12
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Rapid
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 4.8–7.5 pH
Precipitation Range 40–40 inches/yr
Planting Density 10000–43000 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 12
Minimum Frost-Free Days 200 day(s)
Salinity Tolerance None
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention No
Palatability Low
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA