1) If you have sandy or loamy soil, how big should your rain garden be, ideally? a) 10% b) 20% c) 50% d) 30% 2) If you have clay soil, what size should your rain garden be, ideally? a) 30% b) 60% c) 10% d) 20% 3) If you have poorly draining soil, your rain garden needs to be bigger and deeper. True or false? a) True b) False 4) What is the range of depth for a rain garden built in clay soil? a) 3 to 12 inches b) up to 8 inches c) no more than 6 inches d) 10 to 15 inches 5) What recommendations are there for pipe outlets (select all that apply) a) Bring them to daylight b) Paint them green c) Break the flow of water d) Avoid capping them 6) What grade should you ensure you have to make sure water is moving away from your house? a) 5% b) 1% c) 10% d) 2% 7) Michael mentioned three ways of getting water to your rain garden, what were they? a) Under, about and over b) Above, below and in the middle c) Under, over and through d) High, low and to the side 8) Your drainage area measures 568sq ft, and you have sandy soil. What is the ideal size of your rain garden? a) 130.7sq ft b) 250sq ft c) 500 sq ft d) 113.6sq ft 9) Which plants like to have wet feet, and would be ideal for a slow draining rain garden? (Select all that apply) a) Dogwoods b) Willows c) Little bluestem d) Fox Sedge 10) Apart from a downspout, what other ways can you get water to a rain garden (select those that apply)? a) Swales b) Bucket c) Hose d) French drains e) Catch basins

READY FOR RAIN: DIY Rain garden workshop series - Module 3

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