Dwarf Mondo Grass

My Mini Mondo Is Turning Yellow Rapidly.

Zone 3079 | andrea.g4 added on January 8, 2020 | Answered

I have a massive area of mini mondo that is turning yellow rapidly. It have been beautiful, lush and thick for 10 years. Would it be Pythium Root Rot? If so, is this treatable or should I remove and start again?

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Certified GKH Gardening Expert
Answered on January 9, 2020

Unfortunately, your photo did not come through. Depending on how the damage looks, it could be quite a few different things.

If the plant has never been divided, then this is likely the cause of the plant's degrading health.

Over, or underwatering can cause similar symptoms.

If this is planted near sewage, or a septic line, then the system may have failed. Raw sewage is deadly to plants.

Nutrient deficiencies of many sorts can be to blame, if this area does not get fed at least once per year.

Dog or other animal urine can cause dead spots, as well.

Here is an article that will help you to care for the grass: https://www.gardeningknowhow.com/ornamental/foliage/mondo-grass/mondo-grass-care.htm

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