National Geographic : 1947 May
I 'Y © National Geographic Society Kodachrome by B.Anthony Stewart Loblolly Pines Protect Flowering Shrubs by Filtering Sunlight and FeedingSoil with Needles These trees are ideal "big brothers" for azaleas. Just the right amount of light seeps through to allow undergrowth toflourish. Their dead needles, shed yearly, give proper acidity to the earth. They also "insulate" the soil and form a mulch which keeps moisture from evaporating. Dogwood forms acanopy inbackground.