Massonia pseudoechinata has smallish green leaves with light pustulation and white flowers with purple anthers.

Massonia pustulata has ridged and heavily textured, shiny, green leaves and fragrant white flowers with blue nectar.

Massonia pygmaea ssp. kamiesbergensis is a miniature with smooth green leaves and white flowers.

Massonia roggeveldensis has small leaves at first flushed with burgundy turning green and white flowers turning pink.

Massonia saniensis is a dwarf species with cute, grey-green, pustulated leaves and white flowers.

Massonia sempervirens is a botanical mystery with variably pustulated leaves and white fragrant flowers with pink filaments.

Massonia setulosa has rich green, smooth leaves and white flowers that can age to pink with yellow or black anthers.

Massonia sp. Outeniqua is a beautiful plant with blue-green leaves and dramatic pixelated burgundy spots.

Massonia thunbergiana has green to blue-green leaves with variable hairs and pustulations. Possibly hardy to zone 8.

Massonia visserae has small, bluish green, triangular, variably pustulated, hairy leaves with white flowers with black anthers.

Melianthus major has cool blue foliage that smells like peanut butter! You know you want it now!

Mentha requienii or Corsican mint has a delicious fragrance when caressed. It is the flavouring for creme de menthe.

Michelia (Magnolia) doltsopa 'Fairy White' is a compact evergreen magnolia with fragrant white flowers from early to late spring.

Monarda bradburiana 'Midnight Oil' is an uncommon bee balm with pink and cream tubular flowers on green to burgundy leaves.

Monarda Balmy Lilac is a small, compact selection of beebalm with purple-lilac flowers.

Monarda Balmy Pink is a small, compact selection of beebalm with shaggy pink flowers.

Monarda Balmy Purple is a small, compact selection of beebalm with hot purple-magenta flowers.

Monarda Balmy Rose is a small, compact selection of beebalm with hot pink flowers.

Monarda didyma Bee Mine 'Red' is a compact, mildew-resistant beebalm with bright red flowers for pollinators.