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Largeroot morning-glory

Ipomoea macrorhiza

Also called Pink moonflower

Largeroot morning-glory
Photo: Prahlad balaji, CC BY-SA 4.0

Largeroot morning-glory is a rare, vigorous climbing vine with a large tuberous root and night-blooming white-and-pink flowers, native to the southeastern United States. It grows best in warm conditions with plenty of sun and a free-draining soil, and its large root gives it tolerance of dry spells.

Family
Convolvulaceae (Morning-glory family)
Grows as
Bulb
Light
Full sun
Water
Water moderately while growing and let the soil dry out between waterings, especially over the dormant season.
Soil
Well-drained, sandy or loamy soil.
Temperature
18–30 °C; protect below 5 °C
How easy
Moderate
Safety
Toxic to cats and dogs (ASPCA).
Native range
SE. U.S.A.
Climate
subtropical

About

Ipomea macrorhiza is an extremely rare species of tuberous, night-blooming morning glory native to the Southeastern United States.

How to grow it

This plant is rare and so is not widely cultivated. However, its roots are edible and the plant was cultivated by Native Americans as a food source. I. macrorhiza is also of ornamental value due to its attractive flowers.

Other Ipomoea plants

Tropical white morning-glory · Swamp morning-glory · Ginger-leaf morning-glory · Sweet potato · Mile a minute vine · Gloria de la manana · Redstar · Ipomoea corymbosa · Lady Doorly's morning-glory · Beach morning-glory · Oceanblue Morning Glory · Whitestar

Text excerpted from the Wikipedia article Ipomoea macrorhiza by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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