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| Category: Vine |
| Family: Convolvulaceae (Morning-glories) |
| Origin: Pantropical |
| Evergreen: Yes |
| Flower Color: Blue |
| Bloomtime: Spring/Fall |
| Synonyms: [Ipomoea acuminata, Pharbitis cathartica]
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| Height: Climbing (Vine) |
| Width: Spreading |
| Exposure: Full Sun |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 20-25° F |
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Ipomoea indica (Blue Dawn Flower) - This is a tropical evergreen vine with lush velvety lobed leaves that can quickly cover a large area with stems rooting as they touch the ground. In the late spring to fall, the three inch wide flowers open to a vibrant blue purple in the morning and lighten through the day to a violet blue and then a dark pink. Plant in full sun with little fertilization and occasional irrigation. Leaves are hardy to 20-25F but the plant can rebound after colder temperatures knock it down and reportedly can be planted into USDA Zone 8. This beautiful vine can cover a chain link fence, telephone pole or a building with trailing stems rooting along the way so great care should be used when deciding to use this plant - not for the timid!. This plant grows naturally in South America, from Argentina and Brazil north to Central America, Mexico and the Caribbean. It was the winner of the Royal Horticultural Society's Award of Garden Merit in 1993 but it has also been declared a noxious weed in many parts of the world. The generic name is derived from the Greek words 'ipos' meaning "worm" and 'homoios' meaning "to resemble" in reference to this vines twining habit. The specific epithet means of India or, as in this case, from the Indies (West Indies). The common name Blue Dawn Flower is descriptive as flowers open in the morning and for this reason it is also commonly called the morning glory vine. We previously grew this plant using the name Ipomoea acuminata and it is also sometimes sold as Pharbitis cathartica.
The information provided on this page is based on research we have conducted about this plant in our nursery's library, from what we have found about it on reliable online sources, as well as from observations in our nursery of crops of this plant as well as of plants growing in the nursery's garden and those in other gardens. We will also incorporate comments received from others and welcome getting feedback from anyone who may have additional information, particularly if it includes cultural information that would aid others in growing Ipomoea indica. |
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