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2021 NPI Plant Sale List

Full Plant List

Reference
Number

Latin name

Common

Lifeform

Habitat

Flower Color

Height

Bloom

Note

1, 4

Agastache

nepetoides

yellow giant

hyssop

perennial

full sun to part shade; dry to

average to moist soil

yellow to yellow-green

3 to 6 ft.

July-Oct.

 

1

Agastache

scrophulariifolia

purple giant

hyssop

perennial

full sun to part shade; dry to

average to moist soil

purple to lavender,

occasionally white

3 to 6 ft.

July-Oct.

 

4

Allium cernuum

nodding onion

perennial

full sun to part shade; dry to

average to moist soil

light pink to dark pink

1 to 2 ft.

June- Aug.

limited quantities

1

Amorpha

canescens

leadplant

shrub

full sun to part shade; dry to

average soil moisture

purple

1 to 3 ft.

June- Aug.

 

1

Amorpha nana

dwarf false

indigo

shrub

full sun to part shade; dry to

average soil moisture

purple

1 to 2 ft.

June- Aug.

 

3, 5

Anaphalis

margaritacea

western pearly

everlasting

perennial

full sun to part shade; dry to

average soil moisture

white to yellow

1 to 3 ft.

June - Oct.

 

4

Anemone cylindrica

candle anemone or thimbleweed

perennial

full sun to part shade; dry to average soil moisture

greenish white

1 to 3 ft.

May- Aug.

 

4

Antennaria

neglecta

field pussytoes

perennial

full sun to part shade; dry to

average soil moisture

white

4 to 16

inches

April -

June

 

1

Asclepias arenaria

sand milkweed

perennial

full sun; dry soil

green

1 to 2 ft.

May- Aug.

limited quantities

1

Asclepias hirtella

green milkweed

perennial

full sun; dry to average soil moisture

white, can be tinged green or purple

1 to 4 ft.

June- Aug.

limited quantities

1

Asclepias

verticillata

whorled

milkweed

perennial

full sun; dry to average soil

moisture

white

1 to 3 ft.

July-Sept.

limited quantities

1

Dalea candida

white prairie

clover

perennial

full sun to part shade; dry to

average soil moisture

white

1 to 3 ft.

May -

Sept.

 

1

Dalea villosa

silky prairie

clover

perennial

full sun to part shade; dry soil

pink to purple

1 to 2 ft.

July - Aug.

limited quantities

5

Geum triflorum

prairie smoke

perennial

full sun to part shade; dry to

average soil moisture

pink to red

1 to 3 ft.

April -

June

 

1, 4

Glycyrrhiza

lepidota

American licorice

perennial

full sun to part shade; dry to

average soil moisture

white to pale yellow

1 to 3 ft.

June - July

 

5

Heterotheca

villosa

hairy false

goldenaster

perennial

full sun; dry to average soil

moisture

yellow

1 to 2 ft.

May - Oct.

limited quantities

 

Heuchera

richardsonii

Richardson's

alumroot

perennial

full sun to part shade; dry to

average to moist soil

green to red

1 to 2 ft.

May - July

 

1

Liatris ligulistylis

Rocky Mountain

blazing star

perennial

full sun; average to moist soil

purple

2 to 5 ft.

Aug. -

Sept.

 

5

Machaeranthera

tanacetifolia

tahoka daisy

annual

full sun to part shade; dry to

average soil moisture

purple with yellow

centers

1 to 3 ft.

May- Oct.

limited quantities

1

Mentha arvensis

wild mint

perennial

full sun to part shade; average

to moist soil

pale lavender, pink, or

white

1 to 2 ft.

July-Sept.

 

1

Monarda

fistulosa

wild bergamot

perennial

full sun to part shade; dry to

average soil moisture

purple to lavender to

pink

2 to 4 ft.

June -

Aug.

 

2

Pulsatilla patens

eastern

pasque flower

perennial

full sun; dry to average soil

moisture

white to pink to purple

3 to 18

in.

March -

May

limited quantities

1

Symphyotrichum

lanceolatum

white panicle

aster

perennial

full sun; average to moist soil

white

1 to 5 ft

July-Oct.

 

1

Tradescantia

occidentalis

prairie spiderwort

perennial

full sun to part shade; dry to

average soil moisture

blue to purple

1 to 2 ft.

May -

Sept.

 

1

Yucca glauca

soapweed yucca

perennial

full sun; dry to average soil

moisture

white to cream

3 to 4 ft.

May- Aug.

 

1, 4

Zizia aurea

golden zizia

perennial

full sun to part shade; average

to moist soil

yellow

1 to 3 ft.

April-July

limited quantities

1 Recommended by Xerces Society or SD NRCS as having special value to pollinators and/or butterflies
South Dakota State Flower
3 Flowers can be used in dried flower arrangements
4 Supports conservation biological control (attracts beneficial insects that prey upon pest insects)
5 Plants that we find especially photogenic