Flowers That Start With J

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For all the floral enthusiasts or gardening/landscaping aficionados out there, this article is meant for you. We present you a list of heterogeneous flowers whose names start with the letter “J.” The soil PH, sunlight, water requirements, and other useful details are also described in the article to help you raise and nurture some of them. Let’s get started with the list.

1. Jasmine

This is a widely popular flower belonging to the olive family, characterized by its intense fragrance during the summer season.

CharacteristicDescription
Scientific NameJasminum
ColorWhite
TypeShrub
Soil pH Levels6-7.5
Sunlight needsFull to partial shade
Watering levelMedium
HighlightsAttraction to butterflies and birds
Popular ingredient in perfumes
Famous in flower shows
Height: 25-30 inches

2. Jewelweed

An orange-colored herbaceous flower variety that is native to North American geography.

CharacteristicDescription
Scientific NameImpatiens capensis
ColorOrange / Reddish-brown
TypeAnnual
Soil pH Levels5.5-6.5
Sunlight needsComplete sunlight
Watering levelLow to medium moisture
HighlightsSelf-sowing
Three-lobed structure
No cross-pollination requirements
Height: 2.5 – 5 feet (Herb plant)

3. Jacob’s Ladder

The Greek Valerian, popularly known as the “Jacob’s Ladder,” is a cup-structured perennial flower. It usually favors damp wetlands and grasslands for growth.

CharacteristicDescription
Scientific NamePolemonium reptans
ColorBluish Lavender / White
TypePerennial
Soil pH Levels6.8-7.3
Sunlight needsComplete to partial sunlight
Watering levelLow to medium moisture
HighlightsAesthetic and pleasing look
Medicinal use in ancient Greece
Height: 50 – 70 centimeters

4. Japanese Water Iris

This is a widely popular ornamental flowering plant native to Japan belonging to the family of Iridaceae. 

CharacteristicDescription
Scientific NameIris ensata
ColorBluish Purple
TypePerennial
Soil pH Levels5.6-6.8
Sunlight needsComplete to partial sunlight
Watering levelRequires wet soil
HighlightsAesthetic and pleasing look
Strap-shaped leaves
Height: 80 centimeters

5. Jack-in-the-Pulpit

A herbaceous plant flower characterized by three-parted leaves and a hood-like covering.

CharacteristicDescription
Scientific NameArisaema triphyllum
ColorGreen / Purple
TypePerennial
Soil pH Levels6.1-7.1
Sunlight needsComplete to partial sunlight
Watering levelMedium to Wet
HighlightsSelf-sowing
Often confused with Poison Ivy
Height: 30-70 centimeters

6. Jerusalem Artichoke

This is a subspecies of the sunflower mainly found in central North America. Other popular names include “Sunchoke,” “Earth Apple.”

CharacteristicDescription
Scientific NameHelianthus tuberosus
ColorYellow
TypePerennial
Soil pH Levels4.3-8.3
Sunlight needsComplete to partial sunlight
Watering levelCan tolerate no water/drought
HighlightsSurvival characteristics
Often confused with Poison Ivy
Height: 5-10 centimeters

7. Jerusalem Sage

This flower belongs to the family of Lamiaceae found in many European countries like Italy, Greece, and Turkey. The plant is an evergreen shrub variety.

CharacteristicDescription
Scientific NamePhlomis Fruticosa
ColorYellow
TypeScrub
Soil pH Levels6-7.8
Sunlight needsComplete to partial sunlight
Watering levelMedium
HighlightsOrnamental flowers
Aromatic Leaves
Height: 3-5 centimeters

8. Joe Pye Weed

Also known as the “Trumpet Weed,” Joe Pye Weed is a herbaceous perennial flower belonging to the sunflower family.

CharacteristicDescription
Scientific NameEutrochium purpureum
ColorLight pink / Mauve
TypePerennial
Soil pH Levels6.1-8.1
Sunlight needsComplete to partial sunlight
Watering levelMedium
HighlightsOrnamental flowers
Easy-to-grow
Height: 150-200 centimeters

9. Japanese Kerria

Also known as the “Japanese Marigold,” this is a deciduous shrub belonging to the rose family.

CharacteristicDescription
Scientific NameEutrochium purpureum
ColorYellow
TypeScrub
Soil pH Levels5.5-7.5
Sunlight needsPartial sunlight
Watering levelRequires moderate moisture
HighlightsUsed in  flower shows
Height: 120-150 centimeters

10. Japanese Toad Lily

This flower is a herbaceous perennial category belonging to the lily family. It is mainly found in central and southern Japan.

CharacteristicDescription
Scientific NameTricyrtis hirta
ColorWhite/pale lilac with purple spots
TypePerennial
Soil pH Levels5.5-6.1
Sunlight needsPartial sunlight to full shade
Watering levelMedium to Wet
HighlightsEasy-to-grow
Height: 60- 90 centimeters

11. Japanese Cobra Lily

The flower of a herbaceous perennial plant, characterized by the smooth-white cup and a hood of green/purple and white stripes. 

CharacteristicDescription
Scientific NameArisaema sikokianum
ColorGreen/purple with white stripes
TypePerennial
Soil pH Levels5.5-6.0
Sunlight needsPartial to full shade
Watering levelMedium to Wet
HighlightsSelf-sowing
Height: 60- 90 centimeters

12. Juniper Shrubs

This flower belongs to the evergreen category with scale-like leaves. There are berries in between the leaves, which are aromatic and used as a spice too.

CharacteristicDescription
Scientific NameJuniperus
ColorPurple
TypeScrub
Soil pH Levels6-8
Sunlight needsComplete sun to full shade
Watering levelMedium to Wet
HighlightsAromatic
Easy-to-grow
Height: 60- 600 centimeters

13. Japanese Barberry

Also called the “Thunberg’s Barberry,” this is a member of the barberry family of flowering plants. 

CharacteristicDescription
Scientific NameBerberis Thunbergii
ColorPurple with Yellow border
TypeScrub
Soil pH Levels3.5-6
Sunlight needsComplete sun
Watering levelDry to Medium
HighlightsEasy-to-grow
Height: 90-180 centimeters

14. Japanese Iris

This perennial flower is known for its renowned purple pattern on its snow-white petals native to Japan.

CharacteristicDescription
Scientific NameIris japonica
ColorWhite with purple patterns
TypePerennial
Soil pH Levels6.5-7.8
Sunlight needsPartial shade
Watering levelMedium
HighlightsUsed in flower shows
Height: 25-30 centimeters

15. Japanese Aralia

This flower belongs to the Aralia family found around southern Japan, Taiwan, and Korea.

CharacteristicDescription
Scientific NameFatsia japonica
ColorCream with olive green
TypeScrub
Soil pH Levels6-7.5
Sunlight needsPartial to full shade
Watering levelModerate moisture levels
HighlightsUsed in flower shows
Adapts to different climates
Height: 180-500 centimeters

16. Japanese Pachysandra

This flower is a slow-growing perennial variety native to China, Japan and found in Eastern parts of the USA.

CharacteristicDescription
Scientific NamePachysandra terminalis
ColorWhite
TypePerennial
Soil pH Levels5.5-8
Sunlight needsPartial to full shade
Watering levelMedium
HighlightsDeer and Rabbit resistant
Height: 20-30 centimeters

17. Japanese Pittosporum

Commonly known as the “Japanese Cheesewood,” this is a popular ornamental flowering plant.

CharacteristicDescription
Scientific NamePittosporum Tobira
ColorWhite
TypeShrub
Soil pH Levels6-8
Sunlight needsFull sun to partial shade
Watering levelMedium
HighlightsSweet fragrance
Height: 300-450 centimeters

Wrapping Up

We hope you enjoyed this curated set of flowers that start with J from various families and growth requirements. In case you plan to nurture any of them, do keep in mind the soil pH levels as well as the sun and watering needs. Do comment on other flowers you know of that start with the letter “J.”