Plant the center of the area with species that tolerate wet conditions such as native sedges and lady fern.
Plants to put under water roof rin off.
On the other hand the water entering vegetables grown using roof water is filtered in various ways.
Water is often in short supply in the heat of summer so it s tempting to use roof runoff.
Around these put plants suited to occasional standing water like redtwig dogwood.
Native grasses wildflowers and shrubs generally have very deep root systems sometimes burrowing down 10 ft.
May 28 2009 more for your money.
At the furthermost edges go plants that prefer drier soil such as native evergreen and deciduous shrubs.
And moreover plants have the ability to use certain products that we consider pollutants by converting them into useful products.
The roof will require an incline to ensure that water runs off naturally and doesn t water log the roof.
By their roots by soil microbes etc.
When choosing plants for water absorption those that perform well in rain gardens are a good bet.
Non native perennials such as cherry sage salvia greggii make suitable garden additions.
An alternative would be to put down a layer of gravel which would make the area look finished would permit water to soak into the soil beneath and also allow you to walk over it.
It looks like you have some large trees in that area so the ground will be full of tree roots.
Use this water to irrigate garden plants.
Collecting the rainwater that runs off your roof is a great way to conserve an important natural resource.
Grade the soil so it slopes away from the building.
Most native plants also cast off their roots annually growing new roots and providing more soil aeration and pathways for water to flow.
Dig the plants up.
In general any roof with a slop of up to 40 degrees is safe to use providing the previous step s restrictions have been observed.
Plant a rain garden.
Are you sure you want to plant evergreen ground cover.
Put down a layer of cardboard to block weeds out past the drip line and cover the cardboard with a couple of inches of no.
Directing water away from house with shallow channel using river rock use plants like dogwood shrub and fothergilla fill in the borders along with hostas and alliums.
For slopes consider creating a dry creek to catch slow down and direct runoff perhaps to a rain garden see below.