Updated: July 7, 2023

Sweet potatoes are not only a delicious and nutritious food, but they can also be a beautiful and productive addition to your garden or indoor space. Propagating sweet potato plants is a rewarding experience that allows you to create new plants from existing ones. In this article, we will guide you through the process of propagating sweet potato plants the right way.

1. Choose a Healthy Sweet Potato

The first step in propagating sweet potato plants is selecting a healthy sweet potato to use as a parent plant. Look for sweet potatoes that are firm, free from blemishes, and have sprouts or “eyes” on them. These sprouts indicate that the sweet potato is ready to propagate.

2. Prepare the Parent Plant

Once you have chosen a healthy sweet potato, you need to prepare it for propagation. Start by placing the sweet potato in a jar or glass of water. Make sure to submerge the bottom half of the sweet potato in water while leaving the top half exposed. You can use toothpicks stuck into the sweet potato to help keep it in place.

3. Wait for Sprouts to Grow

Place the jar or glass with the sweet potato in a warm location with indirect sunlight. Over time, you will start to see sprouts growing from the eyes of the sweet potato. These sprouts will eventually become new sweet potato plants.

4. Harvest and Plant the Sprouts

Once the sprouts have grown to around 4-6 inches in length, it’s time to harvest them and plant them in soil. Gently remove the sprouts from the parent sweet potato, being careful not to damage the roots. Fill a pot or container with well-draining soil and plant each sprout about an inch deep.

5. Provide Proper Care

After planting the sprouts, it’s important to provide them with proper care to ensure their successful growth. Sweet potato plants thrive in warm and sunny conditions, so place them in a location that receives at least 6-8 hours of sunlight per day. Water the plants regularly, keeping the soil moist but not waterlogged.

6. Transplanting

As the sweet potato plants grow, they will eventually outgrow their pots or containers. When this happens, it’s time to transplant them into larger containers or directly into the ground if you have a suitable garden space. Make sure to choose a location with well-draining soil and enough space for the sweet potato plants to spread out.

7. Harvesting Sweet Potatoes

The ultimate reward of propagating sweet potato plants is harvesting your own homegrown sweet potatoes. Sweet potatoes typically take around 90-120 days to mature, depending on the variety. You can harvest them by gently digging around the base of the plant and lifting the sweet potatoes out of the soil.

8. Saving Sweet Potatoes for Propagation

If you want to continue propagating sweet potato plants, you can save some of your harvested sweet potatoes for future use. Select healthy-looking sweet potatoes and store them in a cool, dry place until you are ready to propagate again.

9. Troubleshooting Common Issues

While propagating sweet potato plants is generally a straightforward process, there are some common issues that you may encounter. Here are a few troubleshooting tips:

  • If the sprouts are growing slowly or not at all, make sure they are receiving enough sunlight and water.
  • If the leaves of the sweet potato plant turn yellow, it may be a sign of overwatering.
  • If the leaves start wilting or the plant becomes droopy, it may need more water.

10. Enjoy the Fruits of Your Labor

Propagating sweet potato plants can be a fun and rewarding gardening activity. Not only will you have a beautiful plant to enjoy, but you will also be able to harvest your own delicious sweet potatoes. By following these steps and providing proper care, you can successfully propagate sweet potato plants and enjoy the fruits of your labor.