25 Flowers that Start with "J"

Below is our expansive gallery and directory featuring flowers that start with “J”.

An example is the Japanese Cobra Lily.

It takes only one look to figure out where the Japanese Cobra Lily got its name. This tuberous woodland perennial is made up of a hooded leafy bract known as a spathe which enfolds an upright white flowering spike known as spadix. The external part of the spathe is dark purple, its inner layer is pure white while the hood is covered in a mixture of purple, dark green and white stripes.

Below is our entire gallery showcasing these flowers.

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Jack-in-the-pulpit (Arisaema triphyllum)

Common Name: Jack-in-the-pulpit
Scientific Name: Arisaema triphyllum
Type: Perennial
Water: Medium to wet
Soil PH: 6-7
Flower Color: Green/purple
Special Characteristics: Self-sowing
Hardiness Zone(s): 4 to 9
Height At Maturity: 1- 2′
Sun: Part shade to full shade
Sub Type: Groundcover

Jacob’s ladder (Polemonium reptans)

Common Name: Jacob’s ladder
Scientific Name: Polemonium reptans
Type: Perennial
Water: Needs moderate moisture
Soil PH: 6.8-7.2
Flower Color: Blue
Special Characteristics: Deer-resistant, showy flowers
Hardiness Zone(s): 3 to 8
Height At Maturity: 12-18”
Sun: Full sun to part shade
Sub Type: Groundcover

Japanese anemone (Anemone × hybrida “September Charm”)

Common Name: Japanese anemone
Scientific Name: Anemone × hybrida “September Charm”
Type: Perennial
Water: Needs moderate moisture
Soil PH: 6-8
Flower Color: Silvery pink with rose shading
Special Characteristics: Deer-resistant, showy flowers, cut flowers, easy to grow
Hardiness Zone(s): 4 to 8
Height At Maturity: 24-48″
Sun: Full sun to part shade
Sub Type: Groundcover

Japanese anemone (Anemone hupehensis “Hadspen Abundance”)

Common Name: Japanese anemone
Scientific Name: Anemone hupehensis “Hadspen Abundance”
Type: Perennial
Water: Needs moderate moisture
Soil PH: 6-8
Flower Color: Rose pink
Special Characteristics: Deer-resistant, showy flowers, easy to grow
Hardiness Zone(s): 5 to 8
Height At Maturity: 24-36″
Sun: Full sun to part shade
Sub Type: Groundcover

Japanese anemone (Anemone hupehensis var. japonica “Prinz Heinrich”)

Common Name: Japanese anemone
Scientific Name: Anemone hupehensis var. japonica “Prinz Heinrich”
Type: Perennial
Water: Needs moderate moisture
Soil PH: 6-8
Flower Color: Deep rose
Special Characteristics: Deer-resistant, showy flowers, easy to grow
Hardiness Zone(s): 5 to 8
Height At Maturity: 24-36″
Sun: Full sun to part shade
Sub Type: Groundcover

Japanese Aralia (Fatsia japonica)

Common Name: Japanese Aralia
Scientific Name: Fatsia japonica
Type: Shrub
Water: Needs moderate moisture
Soil PH: 6.1-7.8
Flower Color: Creamy white
Special Characteristics: Showy flowers, easy to grow
Hardiness Zone(s): 8-10
Height At Maturity: 72-192″
Sun: Partial shade to full shade
Sub Type: Evergreen

Japanese Barberry (Berberis Thunbergii)

Common Name: Japanese Barberry
Scientific Name: Berberis Thunbergii
Type: Shrub
Water: Dry to Medium
Soil PH: 3.7 to 6.2
Flower Color: Yellow
Special Characteristics: Fall Color, Tolerates Deer, Tolerates Drought
Hardiness Zone(s): 4 to 8
Height At Maturity: 36″ to 72″
Sun: Full Sun
Sub Type: Deciduous

Japanese cobra lily (Arisaema sikokianum)

Common Name: Japanese cobra lily
Scientific Name: Arisaema sikokianum
Type: Perennial
Water: Medium to wet
Soil PH: 5.5-6.0
Flower Color: Dark purple with white spadix
Special Characteristics: Self-sowing
Hardiness Zone(s): 5 to 8
Height At Maturity: 18-24″
Sun: Part shade to full shade
Sub Type: Groundcover

Japanese forest grass (Hakonechloa macra)

Common Name: Japanese forest grass
Scientific Name: Hakonechloa macra
Type: Perennial
Water: Medium
Soil PH: 6-7
Flower Color: Yellow-green
Special Characteristics: Easy-to-grow, Container, Cut flowers
Hardiness Zone(s): 5 to 9
Height At Maturity: 12″-18″
Sun: Full Shade
Sub Type: Ornamental Grass

Japanese iris (Iris japonica)

Common Name: Japanese iris
Scientific Name: Iris japonica
Type: Perennial
Water: Medium
Soil PH: 6.5 – 7.8
Flower Color: Pale blue to white with yellow crests
Special Characteristics: Deer-resistant, showy flowers
Hardiness Zone(s): 7 to 9
Height At Maturity: 10-12″
Sun: Part shade
Sub Type: Groundcover

Japanese Kerria (Kerria japonica)

Common Name: Japanese Kerria
Scientific Name: Kerria japonica
Type: Shrub
Water: Needs moderate moisture
Soil PH: 5.6-7.5
Flower Color: Yellow
Special Characteristics: Showy flowers, deer-resistant
Hardiness Zone(s): 4-9
Height At Maturity: 48-60″
Sun: Partial shade
Sub Type: Deciduous

Japanese pachysandra (Pachysandra terminalis)

Common Name: Japanese pachysandra
Scientific Name: Pachysandra terminalis
Type: Perennial
Water: Medium
Soil PH: 5-8
Flower Color: White
Special Characteristics: Tolerates deer and rabbit
Hardiness Zone(s): 5 to 9
Height At Maturity: 8-12″
Sun: Part shade to full shade
Sub Type: Groundcover

Japanese Pittosporum (Pittosporum Tobira)

Common Name: Japanese Pittosporum
Scientific Name: Pittosporum Tobira
Type: Shrub
Water: Moderate
Soil PH: 6.1-7.8
Flower Color: White
Special Characteristics: Showy flowers, Fragrant
Hardiness Zone(s): 9 to 10
Height At Maturity: 120″ to 180″
Sun: Full Sun to Part Shade
Sub Type: Evergreen

Japanese thimbleweed (Anemone hupehensis)

Common Name: Japanese thimbleweed
Scientific Name: Anemone hupehensis
Type: Perennial
Water: Needs moderate moisture
Soil PH: 6-8
Flower Color: Pink
Special Characteristics: Deer-resistant, showy flowers, easy to grow
Hardiness Zone(s): 4 to 8
Height At Maturity: 18-30″
Sun: Full sun to part shade
Sub Type: Groundcover

Japanese toad lily (Tricyrtis hirta)

Common Name: Japanese toad lily
Scientific Name: Tricyrtis hirta
Type: Perennial
Water: Medium to wet
Soil PH: 5.6 to 6.0
Flower Color: White to pale lilac with heavy purple spotting
Special Characteristics: Showy flowers, easy-to-grow
Hardiness Zone(s): 4 to 8
Height At Maturity: 24-36′
Sun: Part shade to full shade
Sub Type: Groundcover

Japanese water iris (Iris ensata)

Common Name: Japanese water iris
Scientific Name: Iris ensata
Type: Perennial
Water: Tolerates wet soil
Soil PH: 5.8-6.8
Flower Color: Blue, lavender, violet-red, pink, white
Special Characteristics: Showy flowers, deer-resistant
Hardiness Zone(s): 4 to 9
Height At Maturity: 24-48″
Sun: Full sun to part shade

Jasmine (Jasminum)

Common Name: Jasmine
Scientific Name: Jasminum
Type: Shrub
Water: Moderate
Soil PH: 6.1 to 7.5
Flower Color: White
Special Characteristics: Showy flowers, Fragrant, Attracts birds and butterflies
Hardiness Zone(s): 7 to 10
Height At Maturity: 20′ to 30′
Sun: Full Sun to Part Shade
Sub Type: Evergreen

Jerusalem artichoke (Helianthus tuberosus)

Common Name: Jerusalem artichoke
Scientific Name: Helianthus tuberosus
Type: Perennial
Water: Tolerates drought
Soil PH: 4.5-8.2
Flower Color: Yellow
Special Characteristics: Attracts birds and butterflies, deer-resistant, showy flowers, cut flowers, easy-to-grow
Hardiness Zone(s): 3 to 9
Height At Maturity: 72-120″
Sun: Full sun to part shade
Sub Type: Vegetable

Jerusalem Sage (Phlomis Fruticosa)

Common Name: Jerusalem Sage
Scientific Name: Phlomis Fruticosa
Type: Shrub
Water: Moderate
Soil PH: 6.1-7.8
Flower Color: Yellow
Special Characteristics: Showy flowers
Hardiness Zone(s): 8 to 10
Height At Maturity: 24″ to 48″
Sun: Full Sun to Part Shade
Sub Type: Evergreen

Jewelweed (Impatiens capensis)

Common Name: Jewelweed
Scientific Name: Impatiens capensis
Type: Annual
Water: Needs Moderate Moisture
Soil PH: 5.6 to 6.5
Flower Color: Orange, yellow, reddish-brown
Special Characteristics: Attracts birds and butterflies, Self-sowing
Hardiness Zone(s): 2-11
Height At Maturity: 3 to 5 feet
Sun: Full Sun
Sub Type: Groundcover

Joe Pye Weed (Eutrochium purpureum)

Common Name: Joe Pye weed
Scientific Name: Eutrochium purpureum
Type: Perennial
Water: Medium
Soil PH: 6-8
Flower Color: Mauve pink
Special Characteristics: Attracts butterflies, deer-resistant, fragrant, showy flowers, easy-to-grow
Hardiness Zone(s): 4 to 9
Height At Maturity: 60-84′
Sun: Full sun to part shade
Sub Type: Groundcover

Johnson’s beehive cactus (Echinomastus Johnsonii)

Common Name: Johnson’s beehive cactus
Scientific Name: Echinomastus Johnsonii
Type: Cactus/Succulent
Water: Dry to Medium
Soil PH: 8.5
Flower Color: Pink
Special Characteristics: Tolerates Drought, Container
Hardiness Zone(s): 9 to 11
Height At Maturity: 4″ to 10″
Sun: Full Sun

Joseph’s coat (Alternanthera dentata)

Common Name: Joseph’s coat
Scientific Name: Alternanthera dentata
Type: Perennial
Water: Needs moderate moisture
Soil PH: 5.5-7.5
Flower Color: White
Special Characteristics: Easy-to-grow
Hardiness Zone(s): 10 to 11
Height At Maturity: 12-36″
Sun: Full sun to part shade
Sub Type: Houseplant

Joseph’s coat (Alternanthera ficoidea)

Common Name: Joseph’s coat
Scientific Name: Alternanthera ficoidea
Type: Perennial
Water: Needs moderate moisture
Soil PH: 5.5-6
Flower Color: White
Special Characteristics: Easy-to-grow
Hardiness Zone(s): 10 to 11
Height At Maturity: 6-12″
Sun: Full sun to part shade
Sub Type: Groundcover

Jumping Cholla (Cylindropuntia Bigelovii)

Common Name: Jumping Cholla
Scientific Name: Cylindropuntia Bigelovii
Type: Cactus/Succulent
Water: Dry
Soil PH: 6.1 to 7.8
Flower Color: Yellow
Special Characteristics: Tolerates Drought, Easy to grow, Deer Resistant
Hardiness Zone(s): 8 to 11
Height At Maturity: 48″ to 72″
Sun: Full Sun

Juniper Shrubs (Juniperus)

Common Name: Juniper Shrubs
Scientific Name: Juniperus
Type: Shrub
Water: Moderate
Soil PH: 6.1 to 7.8
Special Characteristics: Fragrant, Easy to grow
Hardiness Zone(s): 2 to 8
Height At Maturity: 24″ to 240″
Sun: Full Sun to Part Shade
Sub Type: herb

Interestingly, the Japanese Cobra Lily goes dormant in the summer after it blooms and its roots contain a poisonous substance called calcium oxalate. Perhaps there may be more similarities between the plant and its animal namesake than meets the eye. Know more about the perennial flower Japanese Cobra Lily plus all other interesting plants and flowers that start with “J.”

Not a lot of websites thoroughly list plants and flowers alphabetically. However, because we have a database set up, we’re able to offer a comprehensive listing of plants and flowers that you can filter alphabetically. Be sure to also check out our entire garden directory where you’ll find annuals as well.

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Home Expert (Bot)

Hello, how are you? Ask me anything about interior design, home improvement, home decor, real estate, gardening and furniture.