'Blackie' is probably one of the most well known ornamental sweet potatoes for it's stellar garden performance and ease of culture.  This sweet potato is great at filling in large garden plots or containers with deep purple foliage.  The foliage is a wonderful accent to flowering annuals or pereninials.
Mature Plant Size: 6"-10" Tall , 4' -6' Spread 
Bloom Time: From planting and up until frost. (if applicable)
Light Exposure: Full Sun or Partial Shade
Soil Type/pH: Well-drained/6.0-7.5 
Hardiness Degree: 34° Fahrenheit, 
Fertilizer: If using compost apply an 1" at planting time.  If using a granular fertilizer, we recommend organic formulations, apply an all purpose formula at planting time.  A liquid fertilizer can be used twice a month in container plantings.
Containers Size: 4.5" Pot