Cheddar pink Dianthus gratianopolitanus Photo/Illustration: Jennifer Benner 1 2 3 4 5 6 7 8 9 10 11 Cheddar pink (Dianthus gratianopolitanus) dy-ANN-thus grah-tee-ah-no-pol-ih-TAY-nus Synonyms: D. caesius Genus: Dianthus This compact species forms broad mats of blue-gray linear leaves and is perfect for a rock garden setting. The purplish-pink flowers are solitary, toothed, and deliciously fragrant. Noteworthy Characteristics: Long-lasting, fragrant flowers on low-growing mats. Care: Grow in full sun and well-drained, neutral to slightly alkaline soil. Will not tolerate standing water. It is best to avoid organic mulches. Propagation: Sow seed in a cold frame in fall. Take cuttings in summer. Problems: Crown rot, slugs, sow bugs, grasshoppers, chipmunks, squirrels, deer. Overview Height 6 in. to 12 in. Spread 1 ft. to 3 ft. Growth Habit Spreads Growth Pace Moderate Grower Light Full Sun Only Moisture Dry to Medium Maintenance Moderate Characteristics Attracts Butterflies, Fragrant Flowers, Showy Flowers, Showy Foliage Bloom Time Early Summer, Late Summer, Summer Flower Color Pink Yarrow Uses Ground Covers Style Rock Garden Seasonal Interest Summer Interest Type Perennials Dianthus gratianopolitanusView the discussion thread.