Leucojum aestivum or summer snowflake is a spring-blooming bulb with pendulous pure white flowers with green markings.

Leucojum aestivum 'Gravetye Giant' is a vigorous cultivar with larger flowers than the species.

Silvery green leaves topped with soft yellow spikes in fall.

Tri-colour foliage and spikes of pink flowers in fall.

Leucothoe fontanesiana 'Rainbow' has a beautiful tricolour new growth of white, pink, and copper.

Leucothoe fontanesiana 'Scarletta' has new scarlet leaves , then dark glossy green, turns burgundy-red for fall and winter.

Lewisia cotyledon ‘Elise Ruby Red’ is a small alpine-type plant with evergreen succulent rosettes and large dark pink flowers.

Lewisia 'Constant Comment' is an evergreen succulent with pink flowers on compact mounds.

Lewisia 'Little Raspberry' is a hardy evergreen succulent with dark pink flowers and red central accents.

Liatris spicata 'Alba' is a blazing star with highly ornamental, tall white flower spikes and finely textured, green foliage that takes on bronze hues in fall.

Libertia perigrinans has cool orangey-green, erect, iris-like foliage and white lightly fragrant flowers.

Ligularia dentata ‘Pandora’ is a hardy, compact leopard plant with mustard-yellow flowers and contrasting burgundy foliage.

A more compact plant with bold burgundy foliage.

Ligularia japonica ‘Tractor Seat’ is a cold hardy goldenray with huge, heavily serrated and dissected leaves and yellow flowers.

Ligularia 'Osiris Pistache' is a bold foliage accent with dramatic mottled leaves with burgundy veins and burgundy stems for the shade.

Lilium 'Big Smile' is a fragrant Oriental lily with large single up-facing blooms of white, red with yellow throats on tall plants.

'Anika' is a double oriental lily with white petals striped lime green along the midribs that is very fragrant, long-lasting, and an excellent cut flower. No pollen!!!

'Belonica' is a double oriental lily with double pink and white petals. Very fragrant, long-lasting, and an excellent cut flower. No pollen!!!

'Elena' is a double oriental lily with glowing, deep pink petals that is very fragrant, long-lasting, and an excellent cut flower with no pollen.

Linnaea borealis or twinflower is a lovely native ground cover producing pairs of sweetly fragrant, trumpet-shaped pink flowers.

Linum perenne 'Saphyr Blue' is a flax for the hot sunny areas with small light blue flowers and ferny green leaves.

Liriope minor 'NoMo' is a dwarf, evergreen ground cover with grass-like foliage mainly developed as a lawn alternative.

Lithodora 'Crystal Blue' has pale blue flowers over dark green flowers makes this an excellent groundcover.