Ornamental Sweet Potato, Sweet Potato Vine 'Black Heart'

Ipomoea batatas

Family: Convolvulaceae (kon-volv-yoo-LAY-see-ee) (Info)
Genus: Ipomoea (ip-oh-MEE-a) (Info)
Species: batatas (bat-TAT-as) (Info)
Cultivar: Black Heart



Vines and Climbers

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun

Sun to Partial Shade


Grown for foliage

Foliage Color:




18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)


9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)


USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Where to Grow:

Unknown - Tell us


Unknown - Tell us

Bloom Color:


Bloom Characteristics:

Unknown - Tell us

Bloom Size:

Unknown - Tell us

Bloom Time:

Unknown - Tell us

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From herbaceous stem cuttings

By simple layering

By air layering

By tip layering

By serpentine layering

By stooling or mound layering

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


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

Phoenix, Arizona

Clayton, California

Merced, California

Jacksonville, Florida

Orlando, Florida

Palm Coast, Florida

Pompano Beach, Florida

Binghamton, New York

Lakewood, Ohio

Germantown, Tennessee

Fort Worth, Texas

Nome, Texas

Richmond, Texas

Spicewood, Texas

Terrell, Texas

Simon, West Virginia

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Gardeners' Notes:


On Sep 25, 2009, wildbarrett from Lakewood, OH wrote:

Beautiful plant, this particular Ohio one actually a very dark purple-black, (quite black) with very dark greenish tinge at edges. (The newer baby leaves are a dark green at first, but not for long). I held the plant 2 months in shade, before planting in full sun. The color has remained identical either place, and plant health as well. It simply grows more robustly and rapidly in full sun, but is just as awesome in a shady spot, which is why I will try to take cuttings as well as dig up the main plant to overwinter indoors...you can't have too much if you love it! Also, the sunny spot I planted this first Black Heart in was in a small bed raised about 4" off the lawn, bordered by rocks, along a stone wall behind. It mounds and spreads beautifully along the stones and ground, very nea... read more


On Aug 29, 2002, Wingnut from Spicewood, TX (Zone 8b) wrote:

Nice trailing plant! Not as dark as Blackie. Has many green-bronze leaves as well as some dark maroon/burgundy/purple ones.