Kalmia angustifolia 'Rubra Nana' is a bushy evergreen shrub cultivar of the genus Kalmia, known for its simple, durable leaves and clusters of bowl-shaped flowers that bloom in spring and summer. This cultivar thrives in partial shade and is suitable for north, south, east, and west-facing aspects, whether exposed or sheltered. It prefers fertile, moist but well-drained loam soil with an acidic pH. Hardy to UK zone H6, it is well suited for cottage and informal gardens, wildlife gardens, flower borders, beds, hedging, and screens.

Kalmia angustifolia 'Rubra Nana' is a bushy evergreen shrub with bowl-shaped flowers blooming in spring and summer, ideal for partial shade and wildlife

Kalmia angustifolia 'Rubra Nana'

Kalmia cuneata is a species of flowering plant in the heath family known by the common name whitewicky, sometimes spelled white-wicky or white wicky. It is native to the eastern United States, where it occurs only in North Carolina and South Carolina. Kalmia cuneata is a shrub growing up to 1.5 to 2 meters (5-6.7 feet) tall. It is deciduous, a key identifying characteristic. In the garden it prefers partial shade and loam soil. In UK gardens it is very hardy across most of the UK (RHS H6). Suggested uses include cottage and informal garden, wildlife gardens, low maintenance, flower borders and beds and hedging and screens. It tolerates acid soils, moist but well-drained conditions and north-facing, west-facing, east-facing and south-facing aspects. Plant in well-drained soil in sun or partial shade.

Kalmia cuneata, commonly known as white wicky, belongs to the Ericaceae family and is a member of the Kalmia genus. This evergreen shrub features sturdy leaves and produces clusters of bowl-shaped flowers, adding structure and interest to any landscape.

https://en.wikipedia.org/wiki/Kalmia_cuneata

Kalmia cuneata

Kalmia latifolia, the mountain laurel, calico-bush, or spoonwood, is a flowering plant and one of the 10 species in the genus of Kalmia belonging to the heath(er) family Ericaceae. It is native to the eastern United States.

Kalmia latifolia 'Goodrich' is a hardy, spring to summer flowering shrub ideal for partial shade, wildlife gardens, and low-maintenance borders.

Kalmia latifolia 'Goodrich'

Kalmia latifolia 'Tiddlywinks' is a hardy, spring and summer flowering shrub ideal for partial shade, wildlife gardens, and low-maintenance borders.

Kalmia latifolia 'Tiddlywinks'

Kalmia microphylla, known as alpine laurel, bog laurel, swamp-laurel, western bog-laurel or western laurel, is a species of Kalmia of the family Ericaceae. It is native to North America and can be found throughout the western US and western and central Canada below the subarctic. Grow it in partial shade and loam soil. In UK gardens it is very hardy across most of the UK (RHS H6). It works well for cottage and informal garden, wildlife gardens, low maintenance, flower borders and beds and hedging and screens. It tolerates acid soils, moist but well-drained conditions and north-facing, west-facing, east-facing and south-facing aspects. Plant in well-drained soil in sun or part shade.

Kalmia microphylla is a hardy shrub (RHS H6) ideal for partial shade, offering winter interest and perfect for wildlife gardens and low-maintenance borders.

https://en.wikipedia.org/wiki/Kalmia_microphylla

Kalmia microphylla

Kalmia procumbens, commonly known as alpine azalea or trailing azalea, is a dwarf shrub of high mountain regions of the Northern Hemisphere that usually grows no more than 10 centimeters (4 in) tall. Originally named by Linnaeus as Azalea procumbens, it is also named after French botanist L.L.A.

Kalmia procumbens, the alpine azalea, is a dwarf shrub ideal for partial shade, flowering in spring and summer, perfect for wildlife and cottage gardens.