Prostrate Swamp Oak: An interesting and attractive low growing evergreen shrub that lies nearly flat to the ground and spreads 6 to 8 feet wide or more with tiny needle-like blue-green foliage. Plant in full sun to light shade in pretty much any soil, tolerating well drained to heavy soils that are slightly acidic to slightly alkaline Great plant for use as a wide spreading groundcover, a specimen in the garden or for use as container plant or in a large hanging basket or wall planting. 6-8' wide.