Literally and botanically speaking, the two are not related. Both the yam and the sweet potato DO grow underground and have yellowish-orange flesh, but there the similarity ends; they are not the same plant species.
Do yams and sweet potatoes grow the same way?
Sweet potatoes are part of the morning glory family, so they grow like typical tubers, underground with trailing vines above ground. Yams grow more like ornamental grasses and lilies, so they’re a root of a flowering plant.
Are yams and sweet potatoes both tubers?
Above: Yam specimen
Potatoes and yams technically have modified belowground stems (“stem tubers”) while sweet potatoes have “root tubers.” monocots (related to grasses and lilies). Yams are widely cultivated worldwide, especially in West Africa, where 95% of the crop is harvested.
Are sweet potatoes and yams the same species?
It’s true: yams and sweet potatoes are totally different plants and are not even closely related. In fact, these tasty starchy veggies are actually in two different plant families entirely! Yams are members of the genus Dioscorea and are in their own special family, Dioscoreaceae.
Is there a big difference between sweet potatoes and yams?
Yams are starchy and have a rough, brown exterior. They can grow up to 45 feet long and are eaten in parts of Latin America, West Africa, the Caribbean, and Asia. Sweet potatoes are a New World root vegetable, have a softer, reddish skin, a creamier interior, and often, a darker interior.
How do you tell a sweet potato from a yam?
How to tell sweet potatoes and yams apart. A sweet potato has tapered ends and thin, smooth skin and flesh that can range from light beige to burnished orange to purplish, even. A yam is cylindrical, typically white-fleshed—there is a purple variety, too—and has rough, dark, almost hairy skin.
What can you not plant next to sweet potatoes?
3 Plants to Avoid Planting Near Sweet Potatoes
- Squash: Squashes like pumpkins compete with sweet potatoes for space and nutrients.
- Sunflowers: These flowers may increase the risk of potato blight.
- Tomatoes: Planting tomatoes near sweet potatoes can increase the chances of your plants contracting harmful diseases.
Why do they call sweet potatoes yams?
When soft varieties were first grown commercially, there was a need to differentiate between the two. African slaves had already been calling the ‘soft’ sweet potatoes ‘yams’ because they resembled the yams in Africa. Thus, ‘soft’ sweet potatoes were referred to as ‘yams’ to distinguish them from the ‘firm’ varieties.
Can you eat raw yams?
While sweet potatoes can safely be eaten raw, certain types of yams are only safe to eat when cooked. Naturally occurring plant proteins found in yams can be toxic and cause illness if consumed raw. Peeling and cooking yams thoroughly will remove any harmful substances ( 17 ).
Which is healthier sweet potato or yam?
Sweet potatoes are more nutritious than yams. Sweet potatoes and yams are both healthy foods, and they look similar. Sweet potatoes, however, have higher concentrations of most nutrients and more fiber.
Can I grow sweet potatoes from a sweet potato?
If you have a sweet potato sprouting in the cupboard, it might be too far gone for dinner. However, if you plant the sprouting section, called a slip, you can grow your own sweet potatoes in just a few months time. Store-bought sweet potatoes work perfectly well and growing them is simple.
How do you grow yams?
Yams require a fertile, well-drained soil with a high organic matter content. Plant at the beginning of summer in areas that receive a wet season. They will grow in full sun or semi-shade but need a trellis. Plants need plenty of water during the growing season.
How do you grow sweet potatoes?
Sweet potatoes mature in 90 to 170 days and they’re extremely frost sensitive. Plant in full sun three to four weeks after the last frost when the soil has warmed. Make holes 6 inches deep and 12 inches apart. Bury slips up to the top leaves, press the soil down gently but firmly, and water well.
How big can a yam grow?
Some 870 species of yams are known, and 95% of these crops are grown in Africa. Yam plants can grow up to 15 m (49 ft) in length and 7.6 to 15.2 cm (3 to 6 in) high. The tuber may grow into the soil up to 1.5 m (4 ft 11 in) deep.
Why is my sweet potato yellow inside?
The skin color of a sweet potato can tell if it’s spoiled. If it’s yellow or purple, it’s probably spoiled. The skin of a rotten sweet potato will smell bad. However, white or purple skin is no reason to throw out a rotten sweet potato.
Do yams grow underground?
Yams belong to the Dioscoreaceae family and are related to grasses and lilies. Both vegetables grow underground, but they are different parts of the plant.
Are candied yams actually sweet potatoes?
That sweet, orange-colored root vegetable that you love so dearly is actually a sweetpotato. Yes, all so-called “yams” are in fact sweetpotatoes. Most people think that long, red-skinned sweetpotatoes are yams, but they really are just one of many varieties of sweetpotatoes.
Are yams or sweet potatoes orange inside?
“Most of the so-called yams you see in American grocery stores are actually orange-fleshed sweet potatoes,” explains Mary-Frances Heck, author of new cookbook Sweet Potatoes (and former BA staffer).
What does a true yam look like?
Yams have a cylindrical shape with blackish or brown, bark-like skin and white, purple, or reddish flesh. Compared to sweet potatoes, yams are starchier and drier. They’re carried in more grocery stores these days, but your best chance of finding them is to look in international and specialty markets.
How many sweet potatoes do you get from one plant?
Typically, you’ll be able to harvest 3-5 tubers per sweet potato plant, which is about 1-2 pounds. But if you live in a warmer climate, you may harvest six or more tubers per plant.
How do you increase the yield of a sweet potato?
To Recap:
- Don’t add nitrogen or too much compost to the soil.
- Make sure your soil has enough phosphorus, potassium, and minerals.
- Soil should be a sandy-loam.
- Grow in full Sun.
- Give them lots of water.
- Wait until the right time to harvest.
- Grow the right variety for your area.
Marilyn Medina is a food expert with over 15 years of experience in the culinary industry. She has worked in some of the most prestigious kitchens in the world, including The Ritz-Carlton and The French Laundry.
What makes Marilyn stand out from other chefs is her unique approach to cooking. She believes that food should be accessible to everyone, regardless of their budget or dietary restrictions. Her recipes are simple, delicious, and healthy – perfect for anyone who wants to cook like a pro!