How to Plant Sweet Potatoes in Grow Bags??

  • Post author:
  • Post last modified:February 8, 2024

As an Amazon Associate, I earn from qualifying purchases.


Gardening enthusiasts, rejoice! If you’re looking for a convenient and space-efficient way to cultivate sweet potatoes, you’re in the right place. In this comprehensive guide, we’ll delve into the intricacies of planting sweet potatoes in grow bags, offering you a step-by-step approach to ensure a successful harvest. Let’s get started with the basics.

Choosing the Right Grow Bags

Selecting the Size

When it comes to growing bags, size matters.Pick bags that give sweet potato vines sufficient space to spread without discomfort. A general recommendation is to choose bags with a minimum capacity of 10 gallons, allowing ample space for root development.

Material Matters


Invest in high-quality, breathable grow bags. Fabric pots made from durable materials like polypropylene are excellent choices. These bags offer proper aeration, preventing waterlogging and promoting healthier root systems.

Ideal Conditions for Sweet Potatoes

Sunlight Requirements

Sweet potatoes thrive in full sunlight. Find a location that receives a minimum of six to eight hours of direct sunlight a day. This ensures robust growth and enhances the development of sweet potatoes.

Soil Composition

Mix garden soil, compost, and perlite or vermiculite to create a soil mix that drains well. A pH range of 5.8 to 6.2 is the ideal soil for sweet potatoes, as they prefer slightly acidic to neutral conditions.


Temperature Considerations

Sweet potatoes are warm-season crops. Ensure the soil temperature is consistently above 50°F (10°C) before planting. Cooler temperatures can hinder their growth, so it’s advisable to plant after the last frost in your region.

Planting Sweet Potato Slips

Choosing Healthy Slips

Select high-quality sweet potato slips from reputable nurseries or start your own from mature sweet potatoes. Healthy slips are crucial for a successful harvest, so inspect them for signs of disease or pests.

Planting Depth and Spacing

Plant the slips in the grow bags at a depth of 3 inches, allowing the foliage to emerge above the soil. Make sure there’s enough room for vines to spread by spacing them out 12 to 18 inches.

Watering and Fertilizing


Watering Practices

Ensure that the soil remains consistently moist, particularly during the early stages of growth. Avoid water logging by ensuring proper drainage in the grow bags. As the vines mature, reduce watering to prevent rot.

Fertilization Schedule

A fertilizer that is balanced and has a higher potassium content is beneficial for sweet potatoes. Apply a fertilizer with a ratio of 5-10-10 or similar, starting four weeks after planting. Recur every four weeks during the season of growth.

Managing Growth and Harvesting

Vine Maintenance

Regularly prune the vines to control excessive growth and encourage the plant’s energy to focus on tuber development. To keep plants healthy, remove any yellowing leaves.

Harvesting Sweet Potatoes

Harvest sweet potatoes when the leaves begin to yellow and wither, typically around 90 to 120 days after planting. Carefully dig around the plants, making sure to avoid damaging the tubers. Cure harvested sweet potatoes in a warm, humid environment for about two weeks to enhance their flavor and storage quality.



Congratulations! By following these detailed guidelines, you’re on your way to enjoying a bountiful harvest of sweet potatoes from your grow bags. It’s important to keep in mind that every step is a part of the overall success of your sweet potato cultivation. Happy gardening!

As an Amazon Associate, I earn from qualifying purchases.