Yields 400-500 bushels per acre. Types of Ornamental Sweet Potatoes. Suitable for small containers. Also a less vigorous grower. Potato Varieties for Bin Growing. So their growing requirements are quite different. Most sweet potato varieties mature between 14 to 18 weeks after planting. Sweet potatoes are usually ready to harvest just as the ends of the vines begin to turn yellow. Sweet Potato Basics. After that, sweet potatoes can can withstand drought but they’ll produce less, though they do benefit from weekly deep watering during serious droughts. Sweet potatoes come in two general forms: vegetable varieties bred for their edible roots, and as varieties bred specifically for their ornamental trailing foliage. This list of sweet potato cultivars provides some information about varieties and cultivars of sweet potato (Ipomoea batatas).Sweet potato was first domesticated in the Americas more than 5,000 years ago. 25. Sweet potatoes need at least six hours of full sun a day. The ornamental varieties are simply cultivars of the species plant. The perfect crop for lazy gardeners like me! Last year’s leftover sweet potatoes are sprouting by spring and ready to become this year’s crop. Harvest. Harvest sweet potatoes as soon as they are big enough to eat. Harvesting. Resistant to white grubs and soil rot. Growing sweet potatoes can require a lot of space however, with the use of containers and compact varieties any gardener is able to grow their own. What sweet potato variety to grow. Sweet Potato Varieties to Grow. Sweet potatoes are tubers that are native to South and Central America. A sweet potato contains around one-and-a-half times the calories and vitamin C of the ordinary garden potato. Sweet potatoes will grow readily in nearly any soil, but they prefer loamy, well-drained soil. (Regular potatoes belong to the nightshade family). Does not crack. Growing in Containers. These sweet potatoes have copper-colored skin and red-orange flesh that is very sweet and moist. An old-fashioned sweet potato that is perhaps the sweetest of all varieties. As of 2013, there are approximately 7,000 sweet potato cultivars. The plant is tolerant to soil pox and out-yields all other sweet potatoes. Sweet potatoes varieties have white flesh or orange flesh, and, there are even some varieties with purple flesh. Also called the Japanese sweet potato, this variety has a purplish-pink skin and is bright and white on the inside. The sweet potato plant is a hardy, easy-to-grow crop that yields large tubers. When growing ornamental sweet potato vines, there are a number of varieties to choose from. Sweet potatoes grow easily in warm to hot climates, where they can be planted year round. Sweet potatoes (Ipomoea batatas) are an excellent source of beta-carotene, which is easily converted by the body into vitamin A, especially the varieties with orange flesh. Sweet potatoes are a long-season crop, with a minimum requirement of a 100-day growing season. Planting purple sweet potatoes can be challenging, as they require a long growing season (around 120 days), and consistent, hot weather. How to harvest. The young leaves and shoots are sometimes eaten as greens.The sweet potato is not closely related to the common potato (Solanum tuberosum). “Moist” sweet potatoes are often called yams; however, the true yam is actually a different species found in tropical regions. It should not be too rich, and these plants will even grow well in sandy soil. Till the soil about 12 inches deep, then plant your sweet potato slips 12-24 inches apart and just deep enough to cover the root ball. It is widely grown throughout warmer climates and is now gaining popularity in the UK using hardier cultivars and growing under protection in cooler regions. Growing sweet potatoes inside a greenhouse or polytunnel structure can be the best option in these regions. Take note, however, they … The best growing conditions for sweet potato plants. Attempting to grow sweet potatoes from those sold at supermarkets for eating is likely to be doomed to failure in all but the very warmest parts of the UK. Then harvest the tubers as soon as you can. A vine-type variety, it is known for its great taste, making it an excellent baking and cooking potato. Sweet potatoes are easy to grow but they do need a few things to grow really well. If you want to grow sweet potatoes in containers, then we recommend that you use a 1.5-gallon pot for two slips. It will take sweet potatoes between 90 and 170 days to grow depending on the variety. Sweet potatoes will grow in poor soil, but deformed roots may develop in heavy clay or long and stringy in sandy dirt. Grow a blight-resistant potato variety to avoid the problem. When they arrive the 'Slips' will look withered, but place them in a … Sweet potatoes, Ipomoea batatas. 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