Magnolia ashei, known as dwarf bigleaf magnolia, has large and very fragrant white flowers and huge leaves.

Magnolia macrophylla, the bigleaf magnolia, has huge oblong leaves up to 30 inches long and extra large, fragrant flowers.

Magnolia virginiana 'Northern Belle' is a very hardy sweet bay magnolia with long-lasting, fragrant white flowers.

Magnolia 'Coppertallica' has cupped white flowers held against thick, green, evergreen leaves with copper undersides.

'Elizabeth' is a hybrid Magnolia with beautiful, large, cup-shaped, fragrant yellow flowers on a deciduous, upright, columnar form.

'Elizabeth' is a hybrid Magnolia with beautiful, large, cup-shaped, fragrant yellow flowers on a deciduous, upright, columnar form.

Magnolia 'Tinkerbelle' has fragrant, tulip-shaped flowers in shades of dark magenta and pale pink.

Mahonia nervosa has emerald green, windmill-like leaves and canary yellow spring flowers and waxy blue berries.

Mahonia repens is a very adaptable, native, woodland ground cover with bright, canary-yellow blooms.

Maianthemum dilatatum is a beautiful native ground cover of heart-shaped leaves and spikes of starry white flowers.

Meconopsis paniculata blooms on stems 4-5 feet tall covered in about 50 cupped, silky-textured, lemon yellow flowers.

The Himalayan blue poppy is a horticultural holy grail. Meconopsis 'Lingholm' is one of the best blue poppies for the garden.

Medinilla 'Gregori Hambali' is an intriguing tropical plant from southeast Asia with large pleated leaves with beautiful reddish pink undersides.

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.

Monarda 'Coral Reef' is a beebalm with hot pink clusters of tubular flowers and fragrant foliage.

Monarda 'Fireball' is a compact beebalm like a dwarf version of 'Gardenview Scarlet' with bright red flowers that say "Hey! Hummingbirds! Over here!".

Monarda 'Gardenview Scarlet' has brilliant red flowers on tall stems perfect for the middle or back of the border.