Lagerstoemia Barista 'Bubble Tea' has late season lilac purple flowers.

Lagerstroemia Barista 'Spiced Plum' is a dense, small shrub with red stems and semi-glossy deep greeny foliage and late season raspberry purple flowers.

Lavandula angustifolia 'Blue Jeans’ has beautiful grey-green foliage smothered in violet blossoms over a long season.

Lavandula 'Ellagance Purple' has deep purple flowers on compact, floriferous plants.

Lavandula 'Mini Blue' is a dwarf lavender that forms fragrant, compact mounds of foliage with purple-blue flowers.

Lavandula 'Thumbelina Leigh' is a dwarf lavender with fragrant, compact mounds of foliage and deep purple-blue flowers.

Lavandula 'Wee One' is a dwarf lavender forming bushy mounds topped with clear blue flowers to just 10 inches tall.

Lavandula stoechas 'New Madrid Blue Improved' is a compact Spanish lavender with bluish purple flowers and ivory white "wings".

Silver gray leaves and deep purple flowers on short stems

Lavandula 'Grosso' has dense purple blooms on tall stems and great intensity of fragrance prized for its oil for perfumes and potpourri.

Lavandula 'Phenomenal' is a HUGE lavender for big spaces in the garden.

Lavendula x intermedia 'Provence' is a French lavender with light lavender-blue blooms on long stems with silver-green foliage.

Lavandula 'Sensational' produces huge, re-blooming, fragrant purple flowers on strong stems with silver foliage.

Lespedeza thunbergii 'Gibraltar' has masses of purplish-pink pea-like flowers with blue-green foliage.

Lilium 'Purple Dream' is an Asiatic lily with pinkish purple flowers with purple-black centres.

Lilium 'Purple Prince' is an OT hybrid or tree lily with large, fragrant flowers in a unique purplish magenta with lime green centres.

Lilium lankongense is a rare and unique species lily with sweetly fragrant, lavender to lavender-pink, turks cap style, nodding flowers with recurved petals.

Lilium martagon 'New Dark Purple' has luscious, glowing, shiny, purple-red turks cap-type flowers.

Limonium 'Dazzle Rocks' is a hardy sea lavender with purple-violet blooms all summer long above beautiful green foliage.

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