One of the finest blue-flowering groundcovers for late-season color, Ceratostigma plumbaginoides, commonly known as Hardy Plumbago, bursts into bloom just as many summer perennials begin to fade. Brilliant cobalt-blue flowers appear from late summer into fall above neat, glossy green foliage that transforms to rich shades of burgundy and red with cool autumn weather, extending its ornamental appeal well beyond the flowering season.

Growing just 6 to 12 inches tall, this slowly spreading perennial forms a dense carpet that is perfect for edging pathways, weaving through rock gardens, softening retaining walls, or filling sunny to partially shaded borders. Hardy Plumbago combines beautifully with ornamental grasses, asters, sedums, salvias, Japanese anemones, and spring-flowering bulbs, whose fading foliage it helps conceal as the season progresses.

Ceratostigma plumbaginoides thrives in well-drained soil with full sun to partial shade. Once established, it is remarkably drought-tolerant while remaining easy to grow and dependable year after year. Deer generally leave it alone, while late-season pollinators appreciate its vivid blue flowers. For more low-growing problem solvers, browse our Groundcovers collection.

We guarantee that the plants we sell are healthy and viable at the time they leave our care.

If a plant arrives in substandard condition, please take clear photographs and contact us within 48 hours of delivery. To ensure eligibility under this guarantee, we strongly encourage you to open and unpack your shipment immediately upon delivery and inspect the plants thoroughly.

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$14.99 flat rate for up to 6 plants is for standard FedEx/UPS Ground shipping to eligible states only. $19.99 for up to 12 plants. Plants being shipped to the following states are sent via Express Mail to help ensure they arrive quickly and healthy. 

(AL, CT, DC, DE, FL, GA, IN, KY, ME, MD, MA, MI, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WV)
(list of states subject to change seasonally due to extreme heat or cold conditions)

We cannot ship Annie's Annuals plants to P.O. boxes or outside the continental U.S.

Individual plants are shipped in 4" pots and we ship in boxes of 4, 6, 8, or 12 plants per box.

For more details, read our full Ordering and Shipping Policies

Get your plants off to a strong start with our care guide.

Download the Plant Care Guide (PDF)