
Purple Gromwell
Origin: Asia (Caucasus, Western Asia), Europe
Height: 20 to 50 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Chive
Origin: Asia, Europe, North America
Height: 10 to 50 centimeters
USDA zone: 5 (-9.4 F/-23 °C)

Chives
Origin: Only cultivated

Persian shallot
Origin: The wild type is native to Asia
Height: 70 to 120 centimeters
USDA zone: 7 (10.4 °F/-12 °C)

Leadplant
Origin: North America (Canada, USA)
Height: 30 to 100 centimeters
USDA zone: 7 (10.4 °F/-12 °C)

Hubricht's Bluestar
Origin: North America (USA - Arkansas, Oklahoma)
Height: 50 to 80 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

European bluestar
Origin: Europe (Greece, Turkey)
Height: 40 to 50 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Eastern Bluestar
Origin: North America (USA)
Height: 70 to 100 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Snowdrop anemone
Origin: Temperate Asia to Europe
Height: 20 to 45 centimeters
USDA zone: 4 (-22 °F/-30 °C)

Wormwood, Absinthe
Origin: Asia, Europe, North Africa
Height: 40 to 120 centimeters
USDA zone: 5 (-9.4 F/-23 °C)

Butterfly Weed
Origin: North America (USA)
Height: 40 to 60 centimeters
USDA zone: 8 (19.4 °F/-7 °C)

Great Masterwort
Origin: Asia, Europe
Height: 40 to 70 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Canna Lily
Origin: North America to South America
Height, habit: Perennial herbaceous plant, up to 2 meters

Irish Green Sedge
Origin: The wild type is native to Japan
Height: 20 to 40 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Pendulous Sedge, Hanging Sedge
Origin: Europe, Asia, North Africa and invasive in some parts of the USA.

Chinese plumbago
Origin: Asia (China)
Height, habit: 50 to 200 centimeters, semi-shrub
USDA zone: 7 (10.4 °F/-12 °C)

Honeywort
Origin: Mediterranean region
Height, habit: 30 to 60 centimeters, herbaceous plant
USDA zone: 7 (10.4 °F/-12 °C)

Siberian Miner's Lettuce, Candy Flower
Origin: Asia (Russia), North America (Canada, USA)
Height: 10 to 40 centimeters
USDA zone: 5 (-9.4 F/-23 °C)

Pampas Grass
Origin: The wild type is native to South America (Argentina, Brazil, Chile, Uruguay).
Height: 90 to 250 centimeters

Fumewort
Origin: The wild type is native to most European countries, as well as North Africa (Algeria), Western Asia, and Siberia
Height: 10 to 25 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Ivy-Leaved Toadflax, Kenilworth Ivy
Origin: Europe

False hemp
Origin: Asia, Europe (Cyprus)
Height, habit: Up to 3 meters, herbaceous plant
USDA zone: 6 (-0.4 °F/-18 °C)

Origin: The wild type is native to Australia
Height, habit: Up to 1.5 meters, evergreen herbaceous plant
USDA zone: 10 (36 °F/2 °C)

Agave-Leaved Sea Holly
Origin: South America (Argentina)
USDA zone: 6 (-0.4 °F/-18 °C)

Miss Willmott's Ghost
Origin: Asia (Turkey, Caucasus)
Height: 50 to 100 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Mrs. Robb's Hatbox
Origin: Turkey
Height: 20 to 40 centimeters
USDA zone: 7 (10.4 °F/-12 °C)

Cushion Spurge
Origin: The wild type is native to Western Asia (Turkey), North Africa (Libya) and some European countries
USDA zone: 5 (-9.4 °F/-23 °C)

Myrtle Spurge
Origin: South Europe to Iran

Goat's-Rue
Origin: Asia, Europe and North Africa
Height: 50 to 100 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Sweetscented Bedstraw, Woodruff
Origin: Asia, Europe

Dusky Crane's-Bill
Origin: Europe
Height: 70 to 90 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Ground-Ivy, Gill-over-the-Ground
Origin: Only cultivated, Glechoma hederacea is native to Asia, Europe.

Rio Grande globe amaranth
Origin: USA (Texas) to Mexico
Height, habit: Perennial herbaceous plant, 30 to 70 centimetres

Japanese Forest Grass, Hakone Grass
Origin: Japan

Japanese Forest Grass, Hakone Grass
Origin: The wild type is native to Japan.

Liverwort
Origin: Europe, Eastern Asia

Fragrant Plantain Lily
Origin: China
Height, habit: Herbaceous plant, 50 to 80 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Stonecrop
Origin: Russia

Japanese Stonecrop
Origin: China, Japan

Japanese Stonecrop
Origin: The wild type is native to China and Japan.

Showy Stonecrop
Origin: China, Korea

Showy Stonecrop
Origin: The wild type is native to China and Korea.
Height: 30 to 50 centimeters

Orpine
Origin: The wild type is native to Asia and Europe.

Orpine
Origin: The wild type is native to Asia and Europe.

Balfour's Touch-Me-Not
Origin: Himalayan region (India, Pakistan)
Height, habit: Annual herbaceous plant, 30 to 80 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Stinking iris
Origin: Northern Europe, Western Europe, Mediterranean region
Height, habit: Perennial, evergreen herbaceous plant, 50 to 80 centimetres

Dalmatian Iris
Origin: The wild type is native to southeastern Europe
Height: 40 to 60 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Blue Hair Grass
Origin: Europe, Asia (Siberia, Kazakhstan)

Finnish Knotweed
Origin: Asia, Europe
Height: 100 to 150 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Cliff Maids, Siskiyou Lewisia
Origin: The wild type is native to Oregon and California.

Orientpet Lily
Origin: The parent species are native to China, Japan and Taiwan.
Height: Up to 150 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Perennial Honesty
Origin: Europe
Height: 40 to 120 centimeters
USDA zone: 4 (-22 °F/-30 °C)

Snow-White Wood-Rush, Snowy Wood-Rush
Origin: Europe

Creeping Jenny, Moneywort
Origin: The wild type is native from Europe to Turkey and Caucasus.

Musk mallow
Habit, height: Herbaceous plant, 30 to 80 centimeters

White Horehound, Common Horehound
Origin: Asia, Europe, Mediterranean
Height: 20 to 60 centimeters
USDA zone: 5 (-9.4 F/-23 °C)

Eastern Beebalm
Origin: Monarda bradburiana is native to the USA.
Height: 30 to 50 centimeters
USDA zone: 4 (-22 °F/-30 °C)

Chinese Dunce Cap
Origin: East Asia

Evergreen bugloss
Origin: Europe (France, Portugal, Spain)
Height, habit: 40 to 100 centimeters, herbaceous plant
USDA zone: 5 (-9.4 °F/-23 °C)

Caucasian Stonecrop
Origin: The wild type is native to Western Asia (Iran, Turkey) and the Caucasus (Armenia, Azerbaijan, Georgia, Russia).
Height: 10 to 15 centimeters

Caucasian Stonecrop
Origin: The wild type is native to Western Asia (Iran, Turkey) and the Caucasus (Armenia, Azerbaijan, Georgia, Russia).
Height: 10 to 15 centimeters

Sage-Leaf Mullein
Origin: Asia, Europe
Height: 80 to 120 centimeters
USDA zone: 5 (-9.4 °F/-23 °C)

Bladder Cherry, Chinese Lantern
Origin: Asia, Europe

Mock Strawberry, Indian Strawberry
Origin: Asia (East Asia, West Asia, India, Malaysia), as an introduced species the false strawberry is also found in some European countries and in North America.

Japanese Knotweed
Origin: The wild type is native to East Asia
Height: 2 to 4 meters
USDA zone: 5 (-9.4 °F/-23 °C)

Glutinous Sage
Origin: Asia, Europe
Height, habit: 40 to 90 centimeters, herbaceous plant
USDA zone: 5 (-9.4 °F/-23 °C)

Upright Wild Ginger
Origin: Asia (China)
Height, habit: Up to 40 centimeters, herbaceous plant
USDA zone: 5 (-9.4 °F/-23 °C)

White Stonecrop
Origin: Asia (Caucasus, West Asia), Europe, North Africa

Siberian Stonecrop
Origin: Russia to China

Common Houseleek
Origin: The wild type is native from Europe to Morocco (North Africa).

Blue Grass
Origin: Albania, Croatia, Greece, Italy, Serbia, Slovenia, France, Spain, Morocco, Lebanon

Compassplant
Origin: North America (Canada, USA)
Height, habit: 100 to 200 centimeters, herbaceous plant
USDA zone: 5 (-9.4 °F/-23 °C)

Creeping Comfrey
Origin: The wild tpye is native to Asia (Georgia, Caucasus)
Height: 20 to 30 centimeters
USDA zone: 5 (-9.4 F/-23 °C)

Caucasian Germander
Origin: Asia (Caucasus, Western Asia)
Height: 30 to 60 centimeters
USDA zone: 6 (-0.4 °F/-18 °C)

Breckland Thyme, Creeping Thyme
Origin: The wild type is native from Europe to Siberia in Asia.

Tree Marigold
Origin: Central America (Mexico, Guatemala, Honduras)
Height, habit: Up to 3 meters, herbaceous plant
USDA zone: 11 (41 °F/5 °C)