Cover sewer treatment system?

QuestionsCover sewer treatment system?
Sarah Cullinan Staff asked 15 years ago

We have a large septic tank (with associated scent) covered by a concrete slab about 3 foot by 5 foot in the garden. I want to plant around it using scented plants/herbs/shrubs trees. Do you have any suggestions.? I am hoping to stick to the colours brown/orange/yellow in my 1/2 acre new garden