perennial list: m-n

Mallow-Musk
Malva moschata

36/18 in.
90/45 cm.

Sun.

Green.

Pink.

July to Sept.
Zone 3.
Well-drained.

Mallow-Prairie/
Checker
Sidalcea malviflora
x cultorum

36/18 in.
90/45 cm.

Sun or shade.

Green.

Pink.

June to August.
Zone 4.
Well-drained.

Maltese Cross
Lychnis chalcedonica

48/12 in.
120/30 cm.

Sun.

Green.

Red.

June to August.
Zone 2.
Well-drained.

Meadow
Rue-Columbine
Thalictrum
aquilegifolium

36/24 in.
90/60 cm.

Sun or Shade.

Green.

Mauve, white.

May to June.
Zone 3.
Moist.

Meadow Rue-Double
Thalictrum delavayi

60/24 in.
150/60 cm.

Sun or shade.

Green.

Purple.

June to August.
Zone 4.
Moist.

Meadowsweet-Japan
Filipendula purpurea

48/24 in.
120/60 cm.

Part shade.

Green.

White.

August to Sept.
Zone 4.
Moist.

Meadowsweet
Filipendula rubra 'Venusta'

6/4 ft.
1.8/1.2 m.

Part shade.

Green.

Pink.

August to Sept.
Zone 3.
Mist.

Monkshood-Common
Aconitum napellus

54/24 in.
135/60 cm.

Sun or shade.

Green.

Purple, pink.

July to August.
Zone 2.
Moist.

Monkshood-Bicolor
Aconitum cammarum

48/24 in.
120/60 cm.

Sun or shade.

Green

Purple and white.

July to August.
Zone 3.
Moist.

Moss-Irish and Scotch
Sagina subulata
Sagina subulata 'Aurea'

2/12 in.
5/30 cm.

Sun or part shade.

Green gold.

White.

May to June.
Zone 4.
moist.

Mountain Bluets
Hedyotis caerulea

6/12 in.
15/30 cm.

Sun or shade.

Green.

Lavender.

May to June.
Zone 3.
Moist-drained.

Mt. Atlas Daisy
Anacyclus depressus

4/12 in.
10/30 cm.

Sun.

Green.

White.

May to July.
Zone 4.
Well-drained.

Mullein-Giant Silver
Verbascum bombyciferum

72/18 in.
200/45 cm.

Sun.

Silver.

Yellow.

June to August.
Zone 4.
Well-drained.

Mullein-Purple
Verbascum phoeniceum

48/12 in.
120/30 cm.

Sun.

Silver.

Various.

June to August.
Zone 4.
Well-drained.

Mums-Garden/Morden
Chrysanthemum morifolium

12/8 in.
30/20 cm.

Sun or shade.

Green.

Yellow, bronze.

August to Sept.
Zone 3.
Well-drained.