Photo by Melody

PlantFiles: Hybrid Morning Glory
Ipomoea 'Yaguruma'

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Cultivar: Yaguruma
Additional cultivar information: (aka Youjiro Yaguruma, Red Star, Rosita)
Hybridized by Yoneda

One vendor has this plant for sale.

10 members have or want this plant for trade.

Vines and Climbers

4-6 ft. (1.2-1.8 m)

3-6 in. (7-15 cm)

Not Applicable

Sun Exposure:
Full Sun

Seed is poisonous if ingested
All parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall

Unknown - Tell us

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

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; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds

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No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral RON_CONVOLVULACEAE On Jul 19, 2005, RON_CONVOLVULACEAE from Netcong, NJ (Zone 5b) wrote:

The Western marketing name of 'Red Star' was first applied by Thompson & Morgan.

This is a youjiro type created by Dr.Yoshiaki Yoneda from hybridizing Ipomoea nil with Ipomoea purpurea and backcrossing to Ipomoea nil and ideally should be listed as such.

The plant is genetically mostly Ipomoea nil and the sepals look like Ipomoea nil so in lieu of being able to enter it reflecting the full parentage,I would like to suggest that this would more accurately be listed as an Ipomoea nil >which it most closely resembles,rather than leaving the epithet completely blank.

A completely empty epithet tends to strongly imply that nothing about the species is known,when there is ample evidence provided by the hybridizers website and the exacting features of the sepals to indicate that the species most accurately reflects Ipomoea nil.

Please view Dr.Yoneda's authoritative website Morning Glory Encyclopdia Database for an education in all aspects of Morning Glories

(Editor's Note: In accordance with common nomenclature standards and practice, grex information is not substituted for a specific epithet on hybrid cultivars. Accordingly, hybrid entries typically lack a specific epithet.)


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

Elk Grove, California
Claxton, Georgia
Newark, Ohio
Bangor, Pennsylvania
Brazoria, Texas
Jacksonville, Texas
Plano, Texas

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