Houstonia caerulea L. (bluets) is a low-growing, mat-forming alpine rockery plant from the Rubiaceae family. It features opposite, ovate to lanceolate leaves and thrives in full sun on a south-facing, sheltered aspect. Best grown in moist, neutral loam soil, it is hardy to UK zone H4. This cultivar is suitable for ground cover, rock gardens, and woodland edges, with interest in spring and summer. For cultivation, plant in well-drained soil and water during establishment. Propagation is by seed or division.

Houstonia caerulea L. (bluets) is a hardy H4 alpine rockery plant, perfect for ground cover and rock gardens, flowering in spring and summer in full sun.

Houstonia caerulea L.

Collections

By Type

Aspect

Outdoor Space

Plant Combinations

New Arrivals

Plants

Gardening

Outdoor Living

Fenn