Raised beds, collecting rainwater as well. - perhaps tiered beds can have a French drain at the end that catches excess water run off from the rain. It would be a larger area to collect rain water and would only be extra If the other plants were all
Maybe we can make some waterfalls to help with the traffic sounds Giant Copper Rain Shower Wonderful Water Feature Design! Imagine this Giant Copper Rain Shower in your garden on hot summer days it would be just awesome!