With edible sweet potatoes as with most root crops and herbs it is important to remove any flowers.
Sweet potato vine purple flowers.
This vigorous and fast growing cultivar is a popular variety which is known for its maple like leaf shape.
While the ornamental sweet potato plants don t often flower when blackie does it produces lavender or purple trumpet like flowers.
However if a sweet potato flower does occur it resembles its cousin the morning glory convolvulus spp mostly in shades of light blue to purple.
These purple sweet potato vines are so dark that they are nearly black hence their name.
One of the easiest ways to create multi seasonal interest in the garden is to use plants with interesting foliage.
Edible sweet potato vines and some ornamental varieties bloom with flowers that resemble morning glories in shape but some ornamental sweet potato vines do not flower according to missouri.
One of the most versatile plants around you can grow sweet potato vine in sun or shade and in container gardens landscapes or garden beds and borders.
The plant is loved for its colorful chartreuse purple bronze copper or black foliage.
Sweet potato vine ipomoea batatas named for its edible cousin is an ornamental warm season annual grown for its attractive leaves and vining habit the foliage lends a tropical feel to the garden and comes in a range of colors and varying forms.