Japanese Morning Glory 'Seiryu'

Ipomoea nil

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: nil (nil) (Info)
Cultivar: Seiryu



Vines and Climbers

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers


12-15 ft. (3.6-4.7 m)


3-6 in. (7-15 cm)


Not Applicable

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade


Seed is poisonous if ingested

Parts of plant are poisonous if ingested

Bloom Color:

Dark Blue

Bloom Time:

Late Summer/Early Fall


Grown for foliage


Other details:

May be a noxious weed or invasive

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; stratify if sowing indoors

From seed; sow indoors before last frost

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored


This plant has been said to grow in the following regions:

Dundee, Ohio

Scio, Oregon

Freeport, Texas

Gardeners' Notes:

No details have been posted.