How To Plant Sprouted Sweet Potato [ Full Guide ]

Planting sprouted sweet potatoes is a great way to grow your own supply of this nutritious and delicious vegetable. Sweet potatoes are easy to grow, and starting with a sprouted sweet potato can be an efficient and cost-effective way to kick-start the process. In this comprehensive guide, we will explore the step-by-step process of planting sprouted sweet potatoes, including selecting and preparing the sweet potato, preparing the soil, choosing the planting location, and sprouting methods and tips. By the end of this article, you will have a thorough understanding of the techniques and requirements for successfully planting sprouted sweet potatoes.

Quick Answer: How To Plant Sprouted Sweet Potato

To plant a sprouted sweet potato, follow these quick steps:

  1. Select a healthy, organic sweet potato with visible sprouts.
  2. Prepare the sweet potato for planting by cutting it into sections, each containing at least one sprout.
  3. Prepare well-draining, fertile soil with a pH of 5.8-6.2.
  4. Choose a sunny location with ample space for the sweet potato vines to sprawl.
  5. Plant the sweet potato sections in the soil, ensuring the sprouts are facing up and covering them with a layer of soil.
  6. Water the newly planted sweet potatoes regularly and provide appropriate care as they grow.

Now, let’s delve into the details of each step and the factors to consider for successful sweet potato cultivation.

Selecting And Preparing The Sweet Potato

Selecting The Sweet Potato

When it comes to selecting a sweet potato for planting, choose an organic sweet potato that is free of blemishes or signs of decay. Look for one with visible sprouts emerging from the surface. The sprouts indicate that the sweet potato is healthy and ready for planting. It’s important to avoid using sweet potatoes that have been treated with sprout inhibitors, as these may hinder the sprouting process.

Preparing The Sweet Potato For Planting

Once you have selected a suitable sweet potato, you’ll need to prepare it for planting. Start by cutting the sweet potato into sections, ensuring that each section contains at least one sprout. The cutting should be done carefully to avoid damaging the sprouts, as they are essential for the growth of the new plant. Allow the cut pieces to dry and callus for a day or two before planting, as this can help prevent rotting and promote successful growth.

Preparing The Soil: Ideal Conditions And Requirements

Soil Type

Sweet potatoes thrive in well-draining, loose, and fertile soil. They do best in sandy loam or loamy soil with good aeration. The soil should also be free of rocks and clumps to allow the sweet potato roots to develop without obstruction.

Ph Level

The ideal pH range for sweet potatoes is between 5.8 and 6.2. Test the soil using a pH testing kit and make amendments if necessary to achieve the optimal pH level. Adding organic matter such as compost can help improve soil structure and maintain a favorable pH.

Soil Preparation

Prepare the soil by tilling it to a depth of at least 8 to 10 inches. Remove any debris, such as rocks, roots, or weeds, and incorporate organic matter, such as compost or well-rotted manure, to enhance soil fertility and texture.

Choosing The Planting Location


Sweet potatoes require ample sunlight to thrive. Select a planting location that receives full sun, which is typically defined as at least six to eight hours of direct sunlight per day. Insufficient sunlight can result in poor growth and low yields.


When choosing a planting location, consider the space required for sweet potato vines to sprawl. Ensure there is ample space for the vines to spread out and grow without crowding or competing for resources with other plants.


Sweet potatoes are warm-season crops and thrive in temperatures between 70 and 85 degrees Fahrenheit (21-29°C). It’s essential to choose a planting location where the sweet potatoes will be exposed to these optimal temperature ranges for successful growth.

Steps To Sprout Sweet Potatoes: Methods And Tips

Water Method

One common method for sprouting sweet potatoes is the water method. To use this method, fill a jar or glass with water and suspend the sweet potato using toothpicks, submerging the lower portion of the sweet potato in water. Place the jar in a warm location with indirect sunlight, and change the water every few days to prevent stagnation. Within a few weeks, the sweet potato should develop sprouts, indicating it is ready for planting.

Soil Method

Another approach to sprouting sweet potatoes is the soil method. Simply bury the sweet potato halfway in a pot filled with moist soil, ensuring the sprouts are facing upward. Place the pot in a warm, sunny location and keep the soil consistently moist. The sprouts should emerge within a few weeks, signaling that the sweet potato is ready to be planted in the ground.

Tips For Sprouting

  • Use a toothpick or skewer to suspend the sweet potato in water, ensuring only the lower portion makes contact with the water.
  • Choose a warm location for sprouting, as temperature plays a crucial role in stimulating sprout development.
  • Keep the sweet potato in a well-ventilated area to prevent mold and rot.
  • Avoid direct sunlight during the sprouting process, as it can cause excessive drying or heating of the sweet potato.

Growing sweet potatoes from sprouted sweet potatoes is a rewarding and straightforward process that can yield a bountiful harvest. By selecting a healthy sweet potato, preparing the soil, choosing an ideal planting location, and using effective sprouting methods, you can set the stage for successful sweet potato cultivation. With proper care and attention, you can enjoy the satisfaction of growing your own sweet potatoes while reaping the nutritional benefits of this versatile and delicious vegetable. Follow the steps outlined in this guide, and you’ll be well on your way to establishing a thriving sweet potato garden.

Planting Techniques: Digging And Preparing The Holes

Growing your own sweet potatoes can be a rewarding and fruitful experience. One of the first steps in the process is planting sprouted sweet potatoes, which ensures a healthy start for your plants.

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Before planting your sprouted sweet potatoes, it is important to prepare the soil to ensure optimal growing conditions. Sweet potatoes prefer loose, well-drained soil that is rich in organic matter. Here’s how you can dig and prepare the holes for planting:

  1. Choose the right location: Select a sunny spot in your garden that receives at least six to eight hours of direct sunlight each day. Sweet potatoes thrive in warm weather, so make sure the area has good air circulation and isn’t prone to waterlogging.

  2. Prepare the soil: Sweet potatoes prefer loose soil that is rich in organic matter. Before planting, loosen the soil to a depth of 12-15 inches using a garden fork or tiller. Remove any weeds, rocks, or debris from the area.

  3. Improve drainage: If the soil in your garden tends to be heavy or clayey, improve its drainage by adding organic matter such as compost, well-rotted manure, or peat moss. Mix the organic matter into the soil to a depth of at least 6 inches. This helps the soil retain moisture without becoming waterlogged.

  4. Create planting mounds: Sweet potatoes are typically grown in mounds or raised beds to ensure good drainage and prevent the tubers from rotting. Create planting mounds that are approximately 8-12 inches high and around 36 inches wide. Space the mounds about 3 feet apart to give the plants enough room to spread.

Transferring The Sprouted Sweet Potato Into The Ground

Once you have prepared the soil and created the planting mounds, it’s time to transfer the sprouted sweet potatoes into the ground. Follow these steps to ensure a successful planting:

  1. Choose healthy sprouted sweet potatoes: Look for sweet potatoes that have well-developed sprouts. Avoid ones with mold, rot, or any signs of disease. Healthy sprouts should be around 6-8 inches long.

  2. Prepare the slips: Sweet potato slips are small plants that grow from the sprouts on the sweet potato. To prepare the slips, gently twist or wiggle the sprouts until they break off from the sweet potato. Each slip should have a small cluster of sprouts attached to it.

  3. Plant the slips: Dig a small hole in the top of each planting mound, making it deep enough to accommodate the slips. Place the slips in the hole, ensuring that only the top few leaves are above the soil surface. Space the slips about 12-15 inches apart in each mound.

  4. Cover and firm the soil: Gently cover the slips with soil, making sure they are securely planted. Lightly firm the soil around each slip to provide stability and support.

  5. Water the slips: After planting, water the slips thoroughly to settle the soil and promote good root establishment. Allow the excess water to drain away.

  6. Provide support (optional): If you live in an area with strong winds or heavy rainfall, it may be beneficial to provide support for the sweet potato plants. You can use stakes or trellises to ensure the plants remain upright and protected during adverse weather conditions.

Watering: Proper Techniques And Frequency

Watering plays a crucial role in the growth and development of sweet potato plants. Proper watering techniques and frequency can help ensure healthy tuber formation. Follow these guidelines for successful watering:

  1. Water deeply: Sweet potatoes prefer consistent soil moisture but do not tolerate waterlogged conditions. Water the plants deeply, ensuring the water reaches the root zone. This encourages the roots to grow deeper into the soil and promotes strong tuber development.

  2. Avoid overwatering: While it is important to keep the soil moist, avoid overwatering. Overwatering can lead to rotting of the tubers and other root diseases. Check the moisture level of the soil by inserting your finger into the ground. If the soil feels moist, hold off on watering until it slightly dries out.

  3. Watering frequency: Watering frequency will depend on your specific climate, soil type, and weather conditions. As a general rule, water the sweet potato plants deeply once every five to seven days, providing approximately 1 inch of water. Adjust the frequency and amount of water based on the needs of your plants.

  4. Mulching: Mulching around the plants can help conserve moisture and reduce weed growth, which in turn reduces the competition for water. Apply a layer of organic mulch, such as straw or shredded leaves, around the plants. This will help retain moisture and keep the soil temperature regulated.

  5. Monitor soil moisture: Regularly check the soil moisture levels by digging a small hole near the plants. If the soil feels dry, it’s time to water. If it feels too wet, hold off on watering until it dries out slightly.

Fertilizing And Mulching: Essential Nutrients And Materials

To ensure healthy growth and a bountiful harvest, fertilizing and mulching your sweet potato plants is essential. Here’s what you need to know:

  1. Choose the right fertilizer: Sweet potatoes thrive in soil that is rich in organic matter. Before planting, incorporate a balanced organic fertilizer into the soil to provide essential nutrients. Look for a fertilizer with a ratio of 5-10-10 or 8-24-24, which indicates the proportion of nitrogen (N), phosphorus (P), and potassium (K) respectively. Nitrogen encourages leafy growth, while phosphorus and potassium support root and tuber development.

  2. Apply fertilizer at planting: Before planting the slips, mix the organic fertilizer into the soil in each planting mound. Follow the package instructions for the recommended amount. Avoid placing the fertilizer directly in contact with the slips as it may burn the young plants.

  3. Side-dress with fertilizer: As the sweet potato plants grow, side-dress with additional fertilizer to provide ongoing nutrient supply. Apply the organic fertilizer along the sides of the planting mounds, about 6-8 inches away from the plants. Gently work the fertilizer into the soil surface and water thoroughly afterward.

  4. Mulching: Mulching is an excellent practice that helps retain moisture, suppress weeds, and regulate soil temperature. Apply a layer of organic mulch, such as straw, grass clippings, or shredded leaves, around the base of the plants. This will help keep the soil moist, reduce weed competition, and provide a steady supply of organic matter as the mulch breaks down.

  5. Additional considerations: Sweet potatoes are heavy feeders, so it may be necessary to provide additional nitrogen during the growing season. This can be done by applying a side-dressing of compost or well-rotted manure around the base of the plants.

Planting sprouted sweet potatoes is a simple and rewarding way to grow your own delicious tubers. By following the planting techniques, watering guidelines, and fertilizing and mulching methods outlined in this article, you can create optimal growing conditions for your sweet potato plants. Remember to choose healthy sprouted sweet potatoes, prepare the soil properly, transfer the slips carefully, water deeply but avoid overwatering, and provide the necessary nutrients and mulch. With patience and care, you can enjoy a successful sweet potato harvest that will provide you with a bountiful supply of nutritious and tasty tubers.

Protecting Your Sweet Potato Plants: Pest And Disease Control

Planting sprouted sweet potatoes can be a rewarding gardening endeavor, resulting in a bountiful harvest of this delicious and nutritious root vegetable. Sweet potatoes are relatively easy to grow, making them a popular choice for both beginner and experienced gardeners.

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Sweet potatoes can fall prey to various pests and diseases, which can hinder their growth and reduce your harvest. To protect your plants, it is crucial to implement effective pest and disease control measures. Here are some common pests and diseases that you may encounter when growing sweet potatoes, along with their control methods.

  1. Sweet Potato Weevils: These beetles are the most destructive pests of sweet potatoes. Adult weevils lay eggs on the stems or in the soil, and the hatched larvae feed on the roots. To control them, inspect your plants regularly and handpick any adults you find. You can also use insecticidal sprays or dust containing carbaryl or pyrethroids as a last resort.

  2. Sweet Potato Whitefly: These tiny insects suck the sap from the leaves, causing wilting and stunted growth. To control them, use yellow sticky traps to capture adult whiteflies. Introduce natural predators such as ladybugs or lacewings to your garden. Additionally, washing the undersides of the leaves with a strong spray of water can dislodge the whiteflies.

  3. Sweet Potato Leaf Beetles: These beetles feed on the leaves, leaving behind skeletonized foliage. Apply insecticides containing carbaryl or pyrethroids to control them. You can also handpick and destroy the beetles by dropping them into a bucket of soapy water.

  4. Root-knot Nematodes: Nematodes are microscopic worms that attack the sweet potato roots, causing significant damage. To control nematodes, rotate crops every two to three years, and choose resistant sweet potato varieties. You can also apply organic soil amendments like compost and well-rotted manure to improve the soil health and suppress nematode populations.

  5. Fungal Diseases: Sweet potatoes are susceptible to various fungal diseases such as powdery mildew, black rot, and fusarium wilt. To prevent fungal diseases, ensure good air circulation by spacing your plants adequately. Avoid overhead watering and apply fungicides labeled for sweet potato diseases, following the instructions carefully.

Maintenance And Care: Pruning, Weeding, And Staking

To ensure healthy and productive sweet potato plants, regular maintenance and care are essential. Here are some important practices to follow:

  1. Pruning: Sweet potato vines can grow vigorously, spreading across the ground. Pruning the vines helps control their growth and makes it easier to harvest the tubers. About a month after planting, trim back any excessively long or trailing vines, leaving around six to eight inches of growth. Pruned vines can be used as cuttings to propagate new plants if desired.

  2. Weeding: Keep the area around your sweet potato plants free from weeds, as they compete for nutrients, water, and sunlight. Regularly remove weeds by hand or use mulch to smother them. Avoid using herbicides near sweet potatoes, as they can damage the plants.

  3. Staking: Some varieties of sweet potatoes produce long vines that can benefit from staking. Insert sturdy stakes into the ground near the plants and gently tie the vines to them using soft twine or plant ties. Staking the vines helps keep them off the ground, reducing the risk of disease and making it easier to harvest the tubers.

  4. Watering: Sweet potatoes require consistent moisture throughout the growing season. Water the plants deeply and evenly, providing about 1-1.5 inches of water per week. Avoid overwatering, as it can lead to rotting of the tubers. Mulching around the plants can help retain soil moisture and suppress weed growth.

  5. Fertilizing: Sweet potatoes are heavy feeders, requiring a nutrient-rich soil. Before planting, incorporate organic matter such as compost or well-rotted manure into the soil. Side-dress the plants with a balanced fertilizer about a month after planting and again when the vines start to spread. Follow the manufacturer’s instructions for application rates.

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Harvesting: Signs And Timing

Knowing when and how to harvest sweet potatoes is crucial to ensure that they are at their peak flavor and texture. Here are some signs to look for and guidelines to follow when harvesting sweet potatoes:

  1. Foliage Yellowing: As sweet potatoes approach maturity, the foliage above the ground will start to turn yellow. This is a sign that the tubers are reaching their maximum size and are ready to be harvested.

  2. Weather Conditions: Sweet potatoes should be harvested before the first frost. Exposing the tubers to frost can cause them to rot and reduce their quality. Keep an eye on the weather forecast and plan your harvest accordingly.

  3. Timing: Most sweet potato varieties require around 90-120 days from planting to reach maturity. However, the exact timing can vary depending on the variety and growing conditions. It is a good practice to mark the planting date and estimate the harvest time based on the expected maturity period.

  4. Harvesting Method: To harvest sweet potatoes, carefully dig around the plants with a garden fork or shovel, starting at a safe distance from the main stem. Lift the tubers gently from the soil, being careful not to bruise or damage them. Avoid pulling or yanking the vines, as they can break easily.

  5. Curing: After harvest, sweet potatoes need to be cured to develop their sweet flavor and improve their storage life. Cure the tubers by placing them in a warm and humid location (around 85-90°F, 85-90% humidity) for 7-10 days. This process allows the starches to convert into sugars, resulting in a sweeter taste.

Tips For Successful Sweet Potato Planting: Troubleshooting Common Problems

While growing sweet potatoes can be relatively straightforward, there can be some challenges along the way. Here are some troubleshooting tips for common problems you may encounter:

  1. Sprouting Sweet Potatoes: To encourage sprouting, select healthy sweet potatoes with several prominent eyes or buds. Place the sweet potatoes in a warm and humid environment (around 75-80°F, 80-90% humidity) for several weeks. This will encourage the eyes to sprout, indicating that they are ready to be planted.

  2. Vine Slip Production: Sometimes, sprouted sweet potatoes may not produce sufficient vine slips (shoots) for planting. In such cases, you can cut the sweet potatoes into sections, ensuring that each section has at least one sprout. Allow the cut sections to dry for a couple of days before planting them.

  3. Pest Prevention: To prevent pests from attacking your sweet potato plants, practice crop rotation. Avoid planting sweet potatoes or other related crops (such as tomatoes or peppers) in the same spot for multiple years. This helps break the pest life cycle and reduces the chance of infestation.

  4. Storage: Sweet potatoes can be stored for several months if done correctly. After curing, store the tubers in a cool (55-60°F), dry, and well-ventilated location. Avoid storing them in the refrigerator, as the cold temperatures can negatively impact their taste and texture.

  5. Disease Prevention: To minimize the risk of diseases, always start with disease-free sweet potato slips or sprouted tubers from a reliable source. Practice proper sanitation, such as disinfecting tools and equipment, and promptly removing and destroying any diseased plants or plant parts.


Planting sprouted sweet potatoes can be a rewarding and delicious experience. By following the guidelines in this comprehensive guide, you will be well-equipped to protect your sweet potato plants from pests and diseases, maintain and care for them properly, harvest them at the perfect time, and troubleshoot common problems that may arise.

Enjoy the process of growing your own sweet potatoes, and savor the satisfaction of harvesting and preparing these culinary delights from your own garden. Happy planting!


How Do I Prepare A Sweet Potato For Planting?

To prepare a sweet potato for planting, you will need to sprout it first. Simply place the sweet potato in a warm, brightly lit area and allow it to sprout for about a month.

Can I Plant A Whole Sweet Potato?

Yes, you can plant a whole sweet potato. Make sure to choose a small to medium-sized potato with no blemishes or soft spots for best results.

How Do I Plant A Sprouted Sweet Potato?

To plant a sprouted sweet potato, dig a hole about 6-8 inches deep and place the potato sprout side up. Cover it with soil, leaving the sprouted portion exposed. Water thoroughly.

When Is The Best Time To Plant Sprouted Sweet Potatoes?

The best time to plant sprouted sweet potatoes is in late spring or early summer, when the soil is warm and there is no longer a risk of frost.

How Long Does It Take For A Sweet Potato To Grow?

It takes about 110-140 days for a sweet potato plant to produce mature tubers. However, you can harvest small, tender potatoes after 2-3 months if desired.