What is ornamental sweet potato
Andrew Walker
Updated on April 17, 2026
The ornamental sweet potato is a bold tropical plant that grows as a perennial in Florida. The foliage is much more colorful than that of edible sweet potatoes. This unique plant is popular for containers and borders. In a container, the vines will quickly flow over the edges. In beds, it’ll behave as a groundcover.
Are ornamental sweet potatoes safe to eat?
If you want sweet potatoes to eat, the tubers from your ornamental sweet potato vines are indeed edible.
What do ornamental sweet potatoes taste like?
Ornamental Sweet Potatoes and Leaves That said, you might not like them, depending on your taste preferences. The writers at Better Homes & Gardens post that the raw leaves taste similar to spinach, but become blander when steamed or boiled.
Can you eat the tubers from ornamental sweet potato vine?
The bottom line is that ornamental sweet potatoes are bred specifically for their foliage, whether it be bright purple or vivid green. They produce fleshy, tuberous roots like their edible counterparts, but the quality of the tubers is generally not suitable for eating.Are ornamental sweet potatoes perennial?
Though they are commonly sold as an annual bedding plants in the spring, ornamental sweet potato vines, or Ipomoea batatas, are actually tender perennials.
How do you store ornamental sweet potato tubers?
Brush the soil lightly off the tubers, then store them, not touching, in a cardboard box filled with peat moss, sand, or vermiculite. Place the box in a cool, dry location where the tubers won’t freeze. Watch for the tubers to sprout in spring, then cut each tuber into chunks, each with at least one sprout.
Should I remove sweet potato flowers?
With edible sweet potatoes as with most root crops and herbs, it is important to remove any flowers. If the energy of the plant is going to flower growth and production, then other areas, like the tubers, will suffer.
Are sweet potato vines perennials?
Hardy in USDA zones 9-11, sweet potato vine is perennial in warmer climates, but is most often grown as an annual.Is ornamental sweet potato vine poisonous to dogs?
Symptoms of Sweet Potato Vine Poisoning in Dogs. Sweet potato vine is known for its toxic ingredients, with similar characteristics to LSD. … The vines are highly toxic and can adversely affect the kidneys, brain, heart or liver. Even eating small amounts could result in noticeable damage to your dog’s health.
Can I grow a sweet potato vine from a sweet potato?Place the sweet potato in a container of water. Keep the top 1/3 of the potato exposed by placing toothpicks into the sides. The pointed end should be down in the water. In a few weeks a vine with several stems will begin to sprout.
Article first time published onHow do you care for ornamental sweet potato vines?
The care of sweet potato plants is similar to most other vining houseplants in the home, spending summers outdoors. While tolerant of drought, these plants prefer to be kept moist (not soggy). Though prolific growers, you may fertilize monthly, if desired, using a general all-purpose, water soluble fertilizer.
Can sweet potato vine grow indoors?
Try growing sweet potato vine indoors. All you need is a sweet potato that’s sprouting, a jar and some toothpicks. … Grow sweet potato vine indoors, and you’ll soon have a sprawling vine with lime-green or purple-tinged leaves. Here’s how to enjoy growing this fun vine as a houseplant.
Can you cut back sweet potato vines?
Can I trim them to keep them in bounds? The vines of sweet potatoes tend to ramble far and wide, which is why many home gardeners don’t raise them. If vines are wandering out of bounds, try turning them back into the vegetable garden. It’s best not to trim vines; they help feed the potatoes.
Do sweet potato plants come back every year?
After a hard frost, a sweet potato vine (Ipomoea batatas) usually look like something the cat left out in the rain, limp, rotten and dead, but as long as the roots survive it will come back in the spring. Sweet potato vine grows as a perennial in U.S. Department of Agriculture plant hardiness zones 9 through 11.
What does it mean when sweet potatoes bloom?
Cold, wet weather can also make potato plants flower. Flowers on a potato plant indicate that its tubers (the edible part of the plant that grows underground) are starting to form. After you see flowers form on your potato plant, you know that the plant is doing well, and that it is getting closer to harvest time.
Do ornamental sweet potato vines bloom?
While the ornamental sweet potato plants don’t often flower, when Blackie does, it produces lavender or purple trumpet-like flowers.
What month do you plant sweet potatoes?
Sweet Potato Planting Time: Set sweet potato starts in the garden after all danger of frost is past in spring, usually about 4 weeks after the last frost. Sweet potatoes are extremely sensitive to frost and need a warm, moist growing season of as many as 150 days.
What are Potato flowers?
Potato flowers look very much like tomato flowers except instead of being yellow, the potato flowers can be white or lavender or pink. … The cool weather with adequate rain allowed the flowers to remain, pollinate and grow into small potato fruit. These look suspiciously like small, round or oblong cherry tomatoes.
Do ornamental sweet potato vines grow potatoes?
Yes, ornamental sweet potatoes are edible! Ornamental sweet potato tubers are, indeed, sweet potatoes (Ipomoea batatas). That said, ornamental sweet potato tubers are planted for their lovely chartreuse, purple, or variegated trailing foliage that serves as the perfect counterpoint to offset annual blooms.
What are sweet potato vine tubers?
Sweet Potato Vine Tubers Tubers are similar to bulbs. Both are a fleshy part of the stem that grows and develops underground. Roots grow out of the tuber into the soil and the stalk grows out the top, above the soil line. The fleshy tuber stores nutrients, water and genetic material for the plant.
Can sweet potatoes survive winter?
Native to the tropical regions of the Americas, sweet potato vines are hardy in U.S. Department of Agriculture plant hardiness zones 8 through 11, depending on the variety. While the vines die back in cold weather, in frost-free climates the tubers should survive the winter and sprout new vines in the spring.
Is sweet potato vine toxic to horses?
To this day very little research has been carried out on the effects of feeding sweet potato to horses, so this plant cannot be considered 100% safe for consumption. There is always the chance that this plant could be toxic to horses.
Are ornamental potato vines poisonous?
Flowering potato vine (Solanum jasminoides) is a tropical plant with fragrant blooms that last throughout the summer. This showy plant with elegant white or blue-tinged flowers adds interest to a garden space but is also toxic to pets and humans if ingested.
What are the side effects of eating sweet potatoes?
Sweet potatoes contain high amounts of oxalates that may increase the risk of calcium-oxalate kidney stones. Sweet potatoes contain beta-carotene, and their excessive consumption can lead to hypervitaminosis A (vitamin A toxicity), in which excess vitamin A accumulates in the liver.
How long does it take to grow a sweet potato vine?
If you want to grow edible tubers, it will take roughly 100 to 140 days depending on the variety. In some parts of the country, that means starting your plants about six to 12 weeks before your area’s projected last frost date in the spring to have a long enough growing season.
Do sweet potato vines climb?
Sweet potato vines aren’t vivacious climbers, preferring instead to crawl along the ground. As they crawl, the vines set down roots along the length of the stem. Where these vines root in the ground, you’ll find sweet potato tubers in the fall.
Do you bury sweet potato vines?
The best soil for sweet potatoes is loose and rich in organic matter. In the garden, mix some well-aged compost into each planting hole and then plant slips 12-18″ apart, burying the stem with soil right up to the first pair of leaves. … Sweet potato plants keep on growing until the temperatures get too chilly.
Can I just plant a whole sweet potato?
“Slipping” is when you grow little baby plants out of a whole sweet potato. Now, you can just bury whole sweet potatoes very shallowly if you like, but many gardeners prefer to grow slips from the tubers and then plant the slips. It’s easy, fun, and one of the best gardening activities for kids.
Why is my ornamental sweet potato vine turning brown?
Sweet potato vines often turn brown due to frost damage, root knot nematodes, fungal diseases and insect damage.
How do you grow ornamental potato vines?
- Plant ornamental sweet potato vine in a container filled within 1 inch of the top with commercial potting soil. …
- Place the plant in full or partial sunlight.
- Water the plant as needed to keep the soil evenly moist, but not drenched.
Can you replant ornamental sweet potatoes?
Overwintering Ornamental Sweet Potatoes as Tubers Take off any greenery that still remains. Pack the tubers in some well moistened peat moss or newspaper and place in a cool, dark place. … In spring, prepare containers or beds with plenty of organic material and replant the tubers.