What is the Difference Between Bermuda Grass and St. Augustine Grass?

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Bermuda grass and St. Augustine grass are two different types of warm-season grasses with distinct characteristics. Here are the main differences between them:

  1. Drought tolerance: Bermuda grass is more drought-tolerant than St. Augustine grass, making it a better choice for areas with low rainfall or for those who want to conserve water.
  2. Blade width: St. Augustine grass has a broader blade compared to Bermuda grass, with St. Augustine blades being straighter and thicker.
  3. Growth habits: Bermuda grass is quick-growing and spreads rapidly, making it suitable for filling in bare spots or establishing a lawn quickly. On the other hand, St. Augustine grass grows at a slower rate.
  4. Wear tolerance: Bermuda grass typically ranks higher in wear tolerance and injury recovery, making it more suitable for high-traffic areas.
  5. Sunlight requirements: Bermuda grass thrives in full sun and is not suitable for partial shade applications. St. Augustine grass, on the other hand, can tolerate some shade.
  6. Appearance: Bermuda grass has a finer texture compared to St. Augustine grass, which has a coarser texture.

When choosing between Bermuda grass and St. Augustine grass, consider factors such as your lawn's sunlight exposure, climate, and intended use (e.g., high-traffic areas or shaded spots).

Comparative Table: Bermuda Grass vs St. Augustine Grass

Here is a table comparing the differences between Bermuda grass and St. Augustine grass:

Characteristic Bermuda Grass St. Augustine Grass
Color Gray-green, sometimes with purple bits in the stems Dark green, dense grass with flat blades
Sunlight Requirements Requires at least 6 hours of sunlight per day Requires at least 5 hours of direct sunlight per day, but can do better than Bermuda in low light conditions
Shade Tolerance Does not do well in shady areas Shade-resistant and can thrive in the shade
Foot Traffic Can handle high foot traffic, commonly used for athletic fields and golf courses Does not tolerate foot traffic as well
Mowing Height Can grow up to 4 inches tall before requiring a mow, often kept much taller than other grass species Generally mowed at a lower height
Climate Thrives best in USDA zones from 6A to 9B Ideally grown in zones 7a to 11
Growth Rate Fast-growing, can quickly become long and uncontrollable Slower-growing
Maintenance Requires yearly de-thatching Must be de-thatched and mowed more often than Bermuda grass

Both Bermuda grass and St. Augustine grass are warm-season grasses that thrive in warm conditions. They are both effective at choking out weeds due to their ability to grow thick and full. However, they have distinct differences in terms of sunlight requirements, shade tolerance, foot traffic, mowing height, climate, growth rate, and maintenance.