Here's a collection of flowers and plants that start with "J". This database includes 25 listings and provides key information on each such as sun needs, water needs and more.
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.
Table of Contents
- Jack-in-the-pulpit (Arisaema triphyllum)
- Jacob’s ladder (Polemonium reptans)
- Japanese anemone (Anemone × hybrida “September Charm”)
- Japanese anemone (Anemone hupehensis “Hadspen Abundance”)
- Japanese anemone (Anemone hupehensis var. japonica “Prinz Heinrich”)
- Japanese Aralia (Fatsia japonica)
- Japanese Barberry (Berberis Thunbergii)
- Japanese cobra lily (Arisaema sikokianum)
- Japanese forest grass (Hakonechloa macra)
- Japanese iris (Iris japonica)
- Japanese Kerria (Kerria japonica)
- Japanese pachysandra (Pachysandra terminalis)
- Japanese Pittosporum (Pittosporum Tobira)
- Japanese thimbleweed (Anemone hupehensis)
- Japanese toad lily (Tricyrtis hirta)
- Japanese water iris (Iris ensata)
- Jasmine (Jasminum)
- Jerusalem artichoke (Helianthus tuberosus)
- Jerusalem Sage (Phlomis Fruticosa)
- Jewelweed (Impatiens capensis)
- Joe Pye Weed (Eutrochium purpureum)
- Johnson’s beehive cactus (Echinomastus Johnsonii)
- Joseph’s coat (Alternanthera dentata)
- Joseph’s coat (Alternanthera ficoidea)
- Jumping Cholla (Cylindropuntia Bigelovii)
- Juniper Shrubs (Juniperus)
Related: 100s of Flowers from A-Z
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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