Getting the water from the downspout to the raingarden will require a lined runnel. Seems like an old piece of steel culvert sliced lengthwise will do the trick here.
Conveyance….
Published by @alexialandarch
Designing with systems, both natural and man-made, with careful consideration of stewardship and maintenance, will go far in sustainable landscape and sites design. View more posts
Re-Ecology Land Design 