Japanese Morning Glory (Ipomoea nil 'Seiryu')

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morning-glories
Featured
Resistances
Humidity tolerant
Suitable Locations
Espalier
Soil pH Preferences
Neutral (6.6 – 7.3), Slightly acid (6.1 – 6.5), Slightly alkaline (7.4 – 7.8)
Sun Requirements
Full Sun, Full Sun to Partial Shade, Partial or Dappled Shade
Uses
Will Naturalize
Wildlife Attractant
Bees, Birds, Butterflies
Bloom Size
3"-4"
Flower Color
Blue, Other: Medium royal-blue with sky-blue streaks
Flower Time
Late spring or early summer, Late summer or early fall, Summer
Flowers
Fragrant, Showy
Leaves
Variegated
Life cycle
Annual
Plant Habit
Herb/Forb, Vine
Plant Height
Climbs 6 to 16 feet
Propagation: Seeds
covering with thin layer of soil., Depth to plant seed: Shallowly sow, or soak in warm water for approximately 12 hours before sowing., Scarify seeds: Nick outer seed coat, Sow in situ
Detailed Information

The Japanese Morning Glory (Ipomoea nil ‘Seiryu’), while commonly known as “Japanese” and having a rich history in Japanese horticulture, actually originates from **tropical America**.

Here’s the breakdown:

* **Ipomoea nil (the species):** Native to tropical America.
* **’Seiryu’ (the cultivar):** Developed and extensively bred in Japan.

Therefore, while the cultivar ‘Seiryu’ is strongly associated with Japan, the *species* *Ipomoea nil* from which it was bred comes from tropical America.