Sweet potatoes are typically ready to harvest when the foliage starts to yellow and die back. This occurs around 100 to 140 days after planting, depending on the variety. As the vines begin to wither, it indicates that the sweet potatoes have reached maturity and are ready for picking. The yellowing of the leaves is a natural process, signaling that the plant has allocated its energy to developing the tubers.
Dos
- Gently dig around the base of the plant to locate the tubers.
- Use a garden fork or spade to loosen the soil and carefully lift the sweet potatoes.
- Handle the harvested sweet potatoes with care to avoid bruising or damaging them.
- Cure the freshly harvested sweet potatoes by storing them in a warm and humid environment for 7-10 days. This helps improve their flavor and texture.
Don’ts
- Avoid pulling or yanking the vines forcefully, as it may damage the tubers.
- Refrain from exposing sweet potatoes to direct sunlight for extended periods, as it can cause sunburn and affect their quality.
- Don’t wash sweet potatoes immediately after harvesting; they should be cured before cleaning.
Can I harvest sweet potatoes earlier if I can’t wait for the foliage to wither?
It is best to wait until the foliage has yellowed and died back naturally to ensure the sweet potatoes have reached their full potential. Early harvesting may result in smaller tubers.
How long can I store harvested sweet potatoes?
Properly cured and stored sweet potatoes can last for several months. Store them in a cool, dry place, away from sunlight.
Can I harvest sweet potatoes in stages as they mature?
Yes, you can selectively harvest sweet potatoes as they mature. However, keep in mind that fully matured sweet potatoes tend to have better flavor and storage potential.
Conclusion and final thoughts ?
Knowing when to harvest sweet potatoes is essential for achieving the best taste and quality.
Keep an eye on the yellowing foliage as a clear indicator that your sweet potatoes are ready to be picked.
By following the dos and don’ts of harvesting, you can ensure a successful harvest and enjoy the delicious and nutritious bounty of homegrown sweet potatoes.
