Purple potatoes require the same growing conditions as other potato types. As a rule of thumb, one pound of seed potatoes will produce 4-5 pounds of potatoes. These plants are tropical in origin, so wait until the soil has warmed up fully before planting. Leave in a sunny spot and watch it grow roots and leaves. You are right they are super simple to grow and the slips are simple to start. Sweet potatoes also can be planted now, and they love our hot summer weather. harvest sweet potatoes is immediately be-fore or just after the first fall frost. Sweet potatoes will generally thrive in any average well-drained soil in a sunny location. Preheat the oven to 375*F. In a medium sized bowl, toss the sweet potatoes with 2 teaspoons of olive oil plus a pinch of salt and pepper. For home gardeners, the best time to harvest sweet potatoes is immediately before or just after the first fall frost. First, potatoes like deep, rich, loose, slightly acid soil and ours tends to be shallow, poor, highly alkaline, and sticky. Moist but well-drained soil, warm summer temperatures and all-day sun result in a bountiful harvest. In 1996 there were at least 19,000 acres of potatoes planted in Texas. This is the first year we've growing them, we love sweet potatoes. 2. posted 8 years ago. In 1994, the f.o.b. However, August-November will be the best time to harvest mature tubers for most of this region. I’ve found the best strategy is to let them stay in the ground a little while longer, since they’ll continue to grow until a hard frost takes them out. Raising sweet potato slips and planting sweet potatoes at Deep South Texas There are somewhere between 2,000 and 3,000 cultivars of these Bolivian tubers. The best varieties for growing in Central Texas are Beauregard, centennial and jewel. Store them in a warm space for at … bob randall/urban harvest As spring tomato, corn, cucumber, beans, melons and other crops finish over the … Sweet potatoes are grown commercially in the United States There are many commercial farms in East Texas that grow sweet potatoes each year. You want to buy your certified seed potatoes well in advance because you want the potatoes to sprout a bit before you plant them. If frost damages the vines before digging, remove them to prevent decay from starting in the dead vine and moving into the roots. Potatoes are a 100+ day crop for mature, good quality potatoes. If it is really hot and dry, wait until late afternoon to plant. Sweet potatoes can be harvested any time tubers have formed (start checking late summer). Sweet Potatoes love growing in the full sun. Less soil will stick to the roots, and they will be easier to handle. Simply buy a small organic sweet potato from your local grocer and place the tip in water. When the sweet potato leaves turn yellow, growth has stopped and the roots have ma-tured. Potatoes have been cultivated for over 2,000 years. NOTES & TIPS Wash sweet potato tubers immediately after harvest. This is a good time for harvest. Growing Potatoes in Zone 8. In 1995 acreage planted for chip processing increased by 4,000 acres. Timing is crucial for growing potatoes in North Texas. You can try growing sweet potatoes from the grocery store, but the only way to be certain you have certified disease-free roots is to buy them from a reputable seed supplier. Propagating Sweet Potatoes . Judith Browning. Place them in a dry area where the temperature will remain 80 degrees to 85 degrees F. for 10 days to 2 weeks. Most sweet potato varieties are ready to harvest 95 to 120 days after transplanting. Yams grow in the Caribbean. And we have short, wet (if we're lucky) winters and springs. Carefully find the primary crown of each plant, and use your hands to dig up the tubers. When to Harvest Sweet Potatoes. The hotter it is the faster they grow. Weed regularly to eradicate invasive plants that may compete with your sweet potatoes for nutrients and sunlight, and that can bring diseases. Potatoes also give small yields if exposed to high temperatures or really wet conditions too early. Some gardeners in mild-winter areas build mounds, or outdoor storage houses, to store their crop. Sweet potatoes are subject to damage from relatively few insect pests, but a variety of fungal and viral diseases attack both the growing plants and potatoes in storage. Growing sweet potatoes in water is easier than you think. After harvesting, dry the sweet potatoes for 2 to 3 hours. Danny explains sweet potatoes and how to plant them. -3- and potassium (K) is needed. value of Texas potatoes was over $35 million from 2.9 million cwt harvested from 15,000 acres. The method for planting and growing them is unique, and the reward of a treasure huntlike harvest can make a … Harvest sweet potatoes correctly. When the sweet potato leaves turn yellow, growth has stopped and the roots have matured. Potatoes that you plan to store and use through the fall and winter should be harvested when mature. Sweet potatoes are an easy to grow, nutritious productive summer crop. You can also plant potatoes in mid-summer for a fall harvest. The yellowing or browning of the potato plant stem and leaves indicates that the tubers have reached maturity. Spread the potatoes evenly onto a large baking sheet and roast for 30-35 minutes until just tender. While the potatoes are cooking, prepare the rest of the dish. Lift sweet potato tubers when they have reached full size, commonly when leaves and vines have begun to yellow and wither. After this curing period, place them where the temperatures will range from 55 degrees to 60 degrees F. with a relative humidity of about 85 percent. How to plant. Posts: 7674. If needed, thin out about 20% of the leaves to improve air circulation. If you have questions, please call the AgriLife office in Odessa at 498-4071 or in Midland at 686-4700 for more gardening information. Sweet potatoes like growing in sandy soils, lots of sun, lots of space, and a reasonable amount of water and nutrients. Since grocery-store potatoes have been treated to prevent sprouting while in storage, they usually don't sprout in the ground. Ideally, you should set the potatoes in the soil 110 days before the first expected frost. When to harvest sweet potatoes will depend on the cultivar that you purchased. Weeding. Commercial recommendations for fertilizing sweet po-tatoes are usually 50 pounds N, 70 pounds P, and 70 pounds K per acre (50-70-70). Let the roots dry about three hours after digging. Harvesting Main Crop Potatoes. Harvest sweet potatoes before the vines are touched by frost. Then, spread them out in baskets lined with newspaper. They love heat. When the ground bulges, they are almost ready to harvest. Freshly harvested sweet potato tubers do not taste right. It is where the sweet potatoes are placed in a hot environment that the temperature hangs somewhere between 80-85°F. Sweet Potato Problems and Solutions. Harvest sweet potatoes as early as June and July in some parts of the Southwest. Till the soil deeply to promote good root development, and apply a starter fertilizer before planting. Carefully dig plants using a garden fork starting about 15 to 18 inches (38-45cm) from the center of the vine and working inwards lifting. A step by step guide to planting sweet potatoes. For example, if you want freshly harvested potatoes in October, plant them in June or July. If you can't store your sweet potatoes under these conditions, you may want to cook and freeze your harvest. Then the area is kept at about 90% humidity. Photosynthesis for sugar to form potatoes needs mildly cool to warm temperatures to grow well. We have had a mole problem in a couple areas, we don't mind sharing a little. Potato Mounds. Depending on the cultivar, you can plan for between 70 and 120 days to harvest mature potatoes. Harvest time varies, from 85 to more than 100 days. Sweet potatoes bruise easily and can suffer quickly when handled in storage. However, newly transplanted slips will take about three days to start establishing new roots, and are sensitive to drying out fully exposed to the sun during this period. Sweet potatoes must be cured before they can be eaten. When you cut a potato for planting each piece should have at least 2 eyes. Sweet potatoes are started from slips, much like onions. Harvesting Sweet Potatoes. These slips are planted when the danger of frost is past, around April 15 for North Central Texas. When receiving your slips, it is important to read the packing. 1. In a perfect world I will cut potatoes 7 to 10 days before planting. Location: Texas - Zone 8. But smaller tubers—called “baby bakers”—can be lifted sooner if they are big enough to eat. Harvesting sweet potatoes: piyaset Getty Images. Harvest sweet potatoes before the first fall frost; Usually sweet potatoes are ready to harvest when the leaves and vines begin turning yellow; 7. I like to plant root crops around a new moon. There’s no need to prune growing sweet potatoes unless you are struggling with mold. Harvesting Sweet Potatoes: Sweet potatoes require from 100 to 150 days to reach harvest. Frost can damage the tubers below. Sweet potatoes should be planted in full sun, between 12 and 16 inches apart within rows that are separated by six feet. Once you have decided to harvest the sweet potatoes, cut back vines and loosen soil around the plant with a spade fork. Try growing potatoes in zone 8 in buckets or garbage cans for easy harvest. Schedule the planting for a fall crop of potatoes around the anticipated first frost for your area. The closer you keep to these guidelines when trying to cure the sweet potatoes, the faster the sweet potatoes should cure. You can harvest as soon as leaves start to yellow, but the longer a crop is left in the ground, the higher the yield and vitamin content. Harvest sweet potatoes before soil temperatures drop to 50 degrees F., to prevent injury. Before planting some folks will soak the cut potatoes in water to help sprouting. Well, it is a process that takes anywhere from 4-14 days. 2 Sounds great, I am excited to harvest ours a month to so. Potato preparation is next on the list. If you are growing synthetically, shoot for 1 to 2 weeks out. If possible, dig sweet potatoes when the soil is dry. The spring crop of 5,500 acres yielded 1.1 million cwt., and the summer crop of 9,500 acres yielded 1.8 million cwt. The sweet potato propagation process takes a couple of weeks but your yam plant will make a spectacular centrepiece in your home. The time for planting potatoes starts the last 10 days of February and continues through mid-March. Dry freshly dug sweet potatoes in the sun for several hours, then move them to a curing room. That will reduce the number of days to harvest. We have two great challenges to growing potatoes in central Texas. They are also easy to start in well prepared ground. Sweet Potatoes Need Full Sun. Examine the ground for bulges about 90 to 100 days after planting sweet potatoes. It's best not to pick through them too often. Sweet potatoes don't like heavy, waterlogged soils, cold weather, and fertilizers high in nitrogen (like chicken manure, it makes them grow lots of leaves but no potatoes). Typically, most varieties will take about three to four months to mature – about 90 to 120 days, but there are some newer varieties that take less time and bred specifically for northern climates (such as Georgia Jet, Vardaman, Centennial). Texas sweet potato production is often affected by severe cold or wet weather conditions, insects such as the grasshopper, and diseases.