Lawn Care

Large Patch

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

Take all Root Rot

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.

Large Patch

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

Take all Root Rot

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.

Large Patch

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

Take all Root Rot

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.

For a listing of some of the common lawn and plant diseases in BCS, click here.

Images courtesy of Young-Ki Jo, Ph.D.

Lawn Care

Lawn Care

Large Patch

DIAGNOSE When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns. PREVENT Avoid applying too much nitrogen fertilizer and overwatering. TREAT Apply a proper fungicide.

Take all Root Rot

DIAGNOSE This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures. PREVENT Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH. TREAT Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins. PREVENT Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured. TREAT Apply a proper fungicide.

Large Patch

DIAGNOSE When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns. PREVENT Avoid applying too much nitrogen fertilizer and overwatering. TREAT Apply a proper fungicide.

Take all Root Rot

DIAGNOSE This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures. PREVENT Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH. TREAT Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins. PREVENT Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured. TREAT Apply a proper fungicide.

Large Patch

DIAGNOSE When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns. PREVENT Avoid applying too much nitrogen fertilizer and overwatering. TREAT Apply a proper fungicide.

Take all Root Rot

DIAGNOSE This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures. PREVENT Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH. TREAT Apply fungicide at the first sign of the problem.

Gray Leaf Spot

DIAGNOSE St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins. PREVENT Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured. TREAT Apply a proper fungicide.

For a listing of some of the common lawn and plant diseases in BCS, click here.

Images courtesy of Young-Ki Jo, Ph.D.

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.

DIAGNOSE

When nighttime temperatures drop below 68 degrees and daytime temps stay in the mid-80s this disease often appears in lawns.

PREVENT

Avoid applying too much nitrogen fertilizer and overwatering.

TREAT

Apply a proper fungicide.

DIAGNOSE

This St. Augustine lawn has yellowing of the grass and tiny puzzle piece-shaped fungal structures.

PREVENT

Reduce water applications and apply sphagnum peat moss or ammonium sulfate fertilizer to reduce soil pH.

TREAT

Apply fungicide at the first sign of the problem.

DIAGNOSE

St. Augustine grass is affected in late summer as the result of high humidity. Leaf spots are grayish in color with purple margins.

PREVENT

Grass infected with this fungus should not be given nitrogen fertilizers until the disease is cured.

TREAT

Apply a proper fungicide.