Question From:
Bruce Robertson in Twin Waters, Twin Waters QLD
Nature of problem:
I have black stains appearing on concerete and paver surrounds of a garden containing Tiger Grass. Please advise what it may be, and how di I stop the stain.
Type of Plant (if known):
Tiger Grass
Symptoms of Plant Illness (please try NOT to diagnose your problems yourself):
Plant appears healthy
Soil Type (e.g. sandy, clay or loam) OR Potting Mix Type:
Sandy, raised mulched bed
How often do you water the plant:
Every three days or so
How many hours of sunlight does the plant get each day:
Full sun all day
What type of plant is it:
Tiger Grass
How long since you planted it:
Approx 2 years
Have you fertilised? If so, with what and when:
Rooster booster, about 6 months ago
Is the plant indoors or outdoors:
Outdoors
What other treatments have you given the plant:
Trim, mulch trimmings and put this back onto garden
Upload photo if available:
Other Comments:
Have tried removing stain with high pressure water without success.
Answer: Hi Bruce, I’m not sure – maybe a photo or two might help. There are dozens of causes for this problem. Don