Rain Gardens Test

Rain Gardens Test
Please fill out your email address in the first box and your name, ISA cert. no. & specialty in the second box. Answer the questions below and when you are finished, press submit.

Email Address :
Name :

Question: 1. A rain garden is:
a garden that allows rainwater to run off.
a planted depression that allows rainwater to be captured.
also known as a conventional lawn that allows rainwater to soak in.
found only in a rain forest.

Question: 2. Rain gardens work by:
decreasing the amount of water that filters into the ground.
decreasing the value of yards and neighborhoods.
recharging local and regional aquifers.
all of the above.

Question: 3. Which sentence is not true:
A rain garden will be the endpoint of drainage.
A rain garden will reduce peak discharge.
A rain garden will enhance infiltration and diverse microbial populations.
A rain garden can not be designed as a pass-through system.

Question: 4. Rain gardens are designed to be about what fraction of the size of the surface area providing the runoff?
One tenth.
One third.
One quarter.
One half.

Question: 5. A rain garden should be how deep?
0 to 4 inches.
4 to 8 inches.
8 to 12 inches.
more than 12 inches.

Question: 6. Which plant should not be used in a rain garden?
ferns.
sedges.
reeds.
water lilies.

Question: 7. Perennials to consider for a rain garden are:
sedums.
irises.
herbs.
mums.

Question: 8. Vegetated walls can be planted with:
shrubs.
small trees that tolerate excess water.
strawberries.
ornamental grasses.

Question: 9. Green roofs are replacing traditional roofing materials with:
asphalt shingles.
green wood products.
stone.
plants.

Question: 10. Rain gardens:
require heavy fertilization.
require proper pruning.
require a couple of inches of compost mixed into the top six inches of soil.
seldom require maintenance.

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