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Construction of a Complete Rain Garden


Quiz Questions

1.The best time to build a rain garden is in Fall or Spring.
True
False
2. Where to Locate a Rain Garden?
Near an existing or reserve septic drain field or tank
Where there is high groundwater during the winter
The overflow can direct water safely away from the home and neighboring property
Near wells
3.__________ is determined by the amount of sand, silt, and clay in the soil. The mix of these components affects how well the soil drains and how well it holds water and nutrients for plants to use.
Soil quantity
Soil quality
Soil texture
None of the above
4.A simple way to judge compost quality is to smell and examine the finished product, a compost should have which of the following characteristics?
Earthy smell
Brown to black in color
Ammonia like smell
Both A&B
5. Edging will help separate the rain garden from other surrounding landscapes and reduce encroachment of lawn into the rain garden.
Mulching
Manuring
Edging
None of the above
6.Mulch provides multiple benefits for rain gardens by helping to do which of the following
Keep the soil moist.
Replenish organic material in the soil.
Prevent erosion.
All of the above
7.Sediment flowing into your rain garden cannot clog the soil mix and cause slow drainage.
True
False
8. There is no need to apply fertilizers, herbicides, or pesticides in or near your rain garden as the rain garden soil mix provides plenty of nutrients, and if you have selected the appropriate native species and/or plants adapted to this region, no fertilizing will be needed.
True
False
9.Decomposing grass clippings are a source of excess nutrients that can harm streams and wetlands if water flows out of the rain garden and into the storm drain system.
True
False
10.The ________ of the rain garden often is determined by existing features such as the need to avoid structures, trees, and utilities.
Size
Shape
Location
None of the above