Photo by Melody

PlantFiles: Japanese Morning Glory
Ipomoea nil 'Heian Akathuki'

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

One vendor has this plant for sale.

6 members have or want this plant for trade.

Vines and Climbers

15-20 ft. (4.7-6 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
All parts of plant are poisonous if ingested

Bloom Color:
Scarlet (Dark Red)
White/Near White

Bloom Time:
Blooms repeatedly


Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
From seed; germinate in vitro in gelatin, agar or other medium
Scarify seed before sowing

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

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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive onalee On Feb 1, 2008, onalee from Brooksville, FL (Zone 9a) wrote:

There are variations on the name / spelling of this cultivar:
Heian Akathuki
Heian Akatsuki
Heian No Akatsuki

The basic meaning is "Dawn of the Heian Era"

Positive gardener2005 On Aug 4, 2006, gardener2005 from Baton Rouge area, LA (Zone 8b) wrote:

This one is one of best. It is standing up the heat in zone 8 like a trooper. It still needs the insect and disease prevention like everything else but it Responds and lives so it is a keeper.

Neutral WillowWasp On Feb 13, 2005, WillowWasp from Jones Creek, TX (Zone 9a) wrote:

From the beginning this one starts with verigated seedlings that are a huge silvery green. Following some weeks later with giant red to scarlet red blooms, white throats and white ruffled edges.

You can see this one from quite a distance, this one is a repeat bloomer and we will have to see how well it preforms in the Texas heat


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

Brooksville, Florida
Baker, Louisiana
Lafayette, Tennessee
Brazoria, Texas
Plano, Texas

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