We call this a "problem solver" here at Mitchell’s. While everyone loves it for that spectacular carpet of color it creates in early spring, we love it because it forms a dense, moss-like mat that hugs the ground, making it tough for weeds to poke through and excellent for holding soil in place.
In the King and Winston-Salem area, Creeping Phlox is the answer to our uneven terrain. If you have a slope where rain washes the mulch away, or a rock wall that looks a bit stark, this plant softens the edges and prevents washout. Plus, once it’s done blooming, you’re left with nice, deep green foliage that looks good year-round.
Why we recommend them for NC Piedmont Triad yards:
The "Living Mulch": Because it grows so thick, it acts as a natural weed barrier. It keeps the soil cool and moist, meaning less work for you in the summer heat.
Erosion Control: Our heavy rains can wreak havoc on slopes. The root system of Creeping Phlox helps lock that red clay in place, preventing washout on banks.
Early Season Flowers: This is one of the first plants to wake up. Just when you’re sick of winter gray, this plant explodes in shades of pink, purple, white, or blue.
Pollinator Waypoint: It’s an early nectar source for our local butterflies and bees when not much else is in bloom yet.
Best Used For: Steep banks, cascading over retaining walls, rock gardens, and filling gaps between stepping stones.
Creeping Phlox stays low to the ground (about 4–6 inches tall) but spreads out beautifully (up to 2 feet wide). It loves full sun and is surprisingly drought-tolerant once you get it established. For more details on varieties and care, check out the NC State Extension Plant Toolbox [Phlox Subulata] or ask one of us at the nursery.