Photo by Melody

PlantFiles: Sweet Potato
Ipomoea batatas 'Centennial'

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


18-24 in. (45-60 cm)

12-15 in. (30-38 cm)

USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:
Full Sun


Bloom Color:
Magenta (Pink-Purple)

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From softwood cuttings

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

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By Michaelp
Thumbnail #1 of Ipomoea batatas by Michaelp

By randbponder
Thumbnail #2 of Ipomoea batatas by randbponder

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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive Michaelp On Mar 20, 2004, Michaelp from Glendale, UT (Zone 5a) wrote:

It is true what was said above,they can get big-[see pict. above]-the tender shoots at the end of the runners are a special delight,for me cooked, lightly buttered, and served as a cooked vegie.Cutting the tips off the runners also helps keep the plants from over running the other areas of the garden.

Positive Farmerdill On Nov 5, 2003, Farmerdill from Augusta, GA (Zone 8a) wrote:

This has been an excellent cultivar for me. It yields well, is not susceptible to Scurf and has excellent flavor. Its only drawback is that under favorable conditions it will produce jumbo potatoes. These will be in the form of long roots ( 12 - 18 inches)which may be crooked. An orange fleshed, moist potato which has a unique orange colored skin.


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

Hollywood, Florida
Augusta, Georgia
Radford, Virginia
Troy, Virginia

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