Lamium - Dead nettles
Lamium is a genus of around 50 species in the Lamiaceae family, native to Europe, Asia and Africa. Many are ground covering and shade tolerant, and make good ground covers in shady spots in the garden.
Lewisia, is a small genus of 19 species in the family Montiaceae. They are alpine plants, all native to mountains in NW-America.
Ligularia - Leopard plants
Ligularia is a genus of over 120 species in the aster family, Asteraceae. Most species are native to Central- and E-Asia, but a few are native to Europe. They are generally very large plants with clumps of large leaves and long spikes of yellow flowers. Many grow on stream banks and on shores of lakes and prefer moist, fertile soil.
Lilium - Lilies
Lilium is a large genus in the lily family, Liliaceae, native to temperate regions, the majority in Asia and N-America and a few in Europe. They are usually tall plants with large, colourful flowers in all colours apart from blue. A great number of garden cultivars are grown in gardens.
Linaria - Toadflax
Linaria is a genus of around 150 species in the family Plantaginaceae. It's distribution is temperate regions in Europe, Asia and N-Africa, the majority centered around the Mediterranean.
Linum - Flax
Linum, is a genus of 200 species in the flax family, Linaceae. Common flax belongs to this genus, which is the source of linen and linseed oil. It is widely cultivated, but not found growing wild. Flax species need full sun.
Lotus is a genus of over 100 species in the legume family, Fabaceae, with a wide distribution around the world, from shores to mountains. Most species have yellow flowers, but there are some that bear orange or red flowers. They are nitrogen fixing as many other species of the legume family.
Lupinus - Lupines
Lupinus is a genus in the legume family, Fabaceae. It is a large genus of around 300 species native to N- and S-America. Smaller distribution areas are found around the Mediterranean. They are nitrogen fixing and some can grow in poor, dry soil.
Lychnis - Catchfly
Lychnis is a small genus in the Caryophyllaceae family, native to Eurasia and N-Africa. It is closely related to the genus Silene, one of the differentiating characteristics being that species in the Lychnis genus have sticky flower stalks. The flowers are fairly large and often in bright shades of red or pink.
Lysimachia - Loosestrife
Lysimachia is a genus of around 100 species in the primrose family, Primulaceae, native to Eurasia. Most species native to Europe have yellow flowers, while species native to Asia often have white flowers. They prefer fairly moist soil.