Creeping Phlox/ATTRACTS: Ruby Throated Hummingbirds. Plant in rock borders. Great for sunny slopes. Use as a groundcover to control weeds. Great as a groundcover for erosion control. Prefers slightly dry soil. Plant with Red Oak Tree. Spreads quickly. Scarlet Flame Hummingbirds favorite. Pull grass out of as soon as you see it, will steal the nutrients. Mulch in Winter with dry leaves.