perennial list: k-l

Kinnikinnick/
Bearberry
Arctostaphylos uva-ursi

6/6 in.
15/15 cm.

Sun or shade.

Green

Light pink.

May to June.
Zone 2.
Moist acidic.

Lady's Mantle

12/24 in.
30/60 cm.

Sun or shade.

Silver green.

Yellow green.

June to July.
Zone 2.
Well-drained.

Lamb's Ear
Stachys byzantina

18/12 in.
45/30 cm.

Sun to shade.

Silver.

Pink.

June.
Zone 3.
Well-drained.

Lamium-Dead Nettle
Lamium maculatum

12/12 in.
30/30 cm.

Part shade.

Green, white, silver.

Pink, white.

May to Sept.
Zone 2.
Well-drained.

Lavender-English
Lavandula angustifolia

16/24 in.
40/60 cm.

Sun.

Gray.

Pink, purple.

June to August.
Zone 4.
Well-drained.

Leopard's Bane
Doronicum cordatum

16/12 in.
40/30 cm.

Sun or shade.

Green.

Yellow.

May to June.
Zone 2.
Moist drained.

Lewisia
Lewisia cotyledon

12/6 in.
30/15 cm.

Sun or shade.

Green.

Pink.

May to July.
Zone 4.
Well-drained.

Liatrus-Blazing Star
Liatrus spicata

36/18 in.
90/45 cm.

Sun.

Green.

White, purple.

July to Sept.
Zone 2.
Well-drained.

Ligularia
-Desdemona
Ligularia 'Desdemona'
Ligularia dentata 'Othello'

48/18 in.
120/45 cm.

Part shade.

Purple.

Orange.

June to July.
Zone 4.
Moist.

Ligularia-The Rocket

6/3 ft.
200/90 cm.

Part shade.

Purple.

Yellow.

June to July.
Zone 4.
Moist.

Lily-Asiatic
Lilium x hybrida

48/12 in.
120/30 cm.

Sun or Shade.

Green.

Various.

June to July.
Zone 2.
Well-drained.

Lily-of-the-Valley
Convallaria majalis

6/12 in.
15/30 cm.

Shade.

Green.

White.

May to June.
Zone 1.
Well-drained.

Lily-Oriental
Lilium x hybrids

72/18 in.
200/45 cm.

Sun.

Green.

Pink, red, white.

August to
Sept.
Zone 4.
Well-drained.

Lily-Tiger
Lilium lancifolium/
tigrinum

60/18 in.
150/45 cm.

Sun.

Green.

Orange.

June to July.
Zone 4.
Well-drained.

Lobelia
Lobelia siphilatica

36/12 in.
90/30 cm.

Sun or shade.

Green.

True blue.

August to
Sept.
Zone 4.
Moist.

Loosestrife-Gooseneck
Lysimachia clethroides

36/36 in.
90/90 cm.

Sun or shade.

Green.

White.

July to August.
Zone 2.
Moist.

Loosestrife-Yellow
Lysimachia punctata

36/24 in.
90/60 cm.

Sun or shade.

Green.

Yellow.

June to August.
Zone 2.
Well-drained.

Lunaria-Money Plant
Lunaria annua Honesty

36/12 in.
90/30 cm.

Sun or shade.

Green.

Purple, white.

May to June.
Zone 2.
Well-drained.

Lungwort
Pulmonaria longifolia
Pulmonaria saccharata

18/12 in.
45/30 cm.

Part shade.

Green, silver spots.

Various.

April to May.
Zone 3.
Moist.

Lupine
Lupinus x
'Russell Hybrid'
Lupinus x
'Gallery Series'

36/24 in.
90/60 cm.

Sun or part shade.

Green.

Purple.
Pink.

Yellow.

June to August.
Zone 3.
Well-drained.