About
Houstonia caerulea, bluets, is a delicate, small North American perennial producing tiny, four-petalled, pale-blue flowers with a yellow eye in spring and summer above mats of small, oval leaves. A charming and ornamental plant for a moist, partly shaded rock garden or woodland edge.
About the genus
Houstonia are small annuals and perennials from North America producing tiny, four-petalled, blue, white or purple flowers with a yellow eye. Ornamental plants for moist, partly shaded positions.
Plant details
Suggested usesWalls, fences, pergolas, arbours.
Care notes
CultivationPlant in fertile, well-drained soil. Provide support.
PruningTrain and tie in new growth. Prune after flowering.
PropagationPropagate by division, cuttings, or seed as appropriate.
Pest resistanceGenerally pest-free. Monitor for common garden pests.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.