Potatoes can be transplanted if the plants are still small and root disturbance is minimized, though moving established plants may reduce yield.
You probably planted your seed potatoes in a spring rush, spacing them by eye. A few weeks later the row looks uneven — some plants are crowded, others are lonely. A natural thought follows: can you just move them now without ruining the crop?
Transplanting potatoes is possible, but timing and care matter more than with many other vegetables. Move them too late or too roughly and the yield can drop noticeably. This article covers when transplanting makes sense, how to do it, and what results you can expect.
When Transplanting Makes Sense
Most gardeners plant potatoes once and leave them alone. Yet several situations call for moving them. Volunteer potatoes — plants that sprout from tubers left in the ground after harvest — often pop up in unexpected spots. Many gardeners find that digging these up and relocating them to a designated row saves a surprise crop.
Another common reason is correcting initial spacing. If seed potatoes were set too close together, thinning by transplanting the extras can give each plant enough room to develop decent tubers. Starting potatoes in containers and later moving them into the ground is also a valid approach, as long as the move happens before the root system fills the pot.
Why Gardeners Hesitate to Move Potatoes
The hesitation comes from a real concern: potato plants are sensitive to root disturbance. Unlike tomatoes, which forgive a lot of transplanting, potatoes focus energy on tuber formation underground. Disrupting that work mid-season can stall growth or produce smaller potatoes.
Another worry is that the main stem may snap when pulled, or that the roots will dry out before re-planting. These are genuine risks. However, when plants are still small — under 6 inches tall and before they start flowering — the root system is compact and the plant recovers faster.
- Transplant shock: Moving plants causes temporary stunting. Watering thoroughly before and after helps them bounce back.
- Yield reduction: Some sources note that transplanted potatoes may produce fewer or smaller tubers compared to undisturbed plants.
- Volunteer opportunities: Volunteer potatoes are often vigorous because they sprouted from a whole tuber. Transplanting them can turn a weed into a productive plant.
- Spacing correction: Moving crowded plants to gaps in the row can improve overall bed productivity without losing the extras.
The Right Spacing for Your Potato Patch
Spacing directly affects how transplanting decisions play out. If plants are too close, moving some to a better spot makes sense. But what spacing should you aim for? University extension guides and experienced gardeners offer several ranges depending on your goal.
Utah State University Extension recommends spacing seed potatoes 6 to 8 inches apart, a closer spacing that may reduce tuber size but increase the number of tubers set. Their potato spacing recommendations also note that closer spacing helps reduce hollow heart and growth cracks. For gardeners aiming for larger baking potatoes, wider spacing — 12 to 18 inches — is more common.
| Spacing (inches) | Typical Result | Best For |
|---|---|---|
| 6–8 | More tubers, smaller size | Reducing hollow heart, baby potatoes |
| 9–10 | Moderate number, medium size | Regional recommendations (Central Texas, Red Pontiac) |
| 12 | Fewer tubers, larger potatoes | General home gardens, baking potatoes |
| 12–18 | Fewest tubers, largest size | High-yield per plant, large baking potatoes |
| Variable | Crowded = small, sparse = large | Correction via transplanting |
If you need to transplant, aim for a final spacing of about 10 to 12 inches, which balances yield and tuber size for most varieties. Adjust based on your specific seed potato type and whether you prefer many small potatoes or fewer large ones.
How to Transplant Potatoes Step by Step
Transplanting potatoes is straightforward if you follow a careful process. The key is to minimize root disturbance and keep the plant hydrated. Choose an overcast day or late afternoon to reduce water loss while the plant adjusts.
- Water the soil thoroughly the night before. Moist soil holds together better, making it easier to lift the root ball intact.
- Dig a wide circle around the plant. Aim for about 6 inches out from the stem to capture most roots without cutting them.
- Lift the plant gently with a garden fork or trowel. Keep as much soil around the roots as possible.
- Re-plant immediately at the same depth. Bury the stem up to the lowest leaves, just like you would when hilling. Firm the soil gently and water well.
- Provide shade for a few days. Use a row cover or a cardboard tent to reduce sun stress while the roots re-establish.
After transplanting, keep the soil consistently moist but not waterlogged for about a week. The plant may look droopy for a day or two — that is normal. Once new growth appears, treat it like any other potato plant.
What Happens After You Transplant
Most transplanted potatoes survive if moved at the right stage. Recovery time varies. Some plants produce nearly normally, while others yield a bit less than their undisturbed neighbors. The trade-off is that you save plants that would otherwise be crowded out or discarded.
Per the reasons to transplant potatoes guide, volunteer plants moved early often thrive because they already have a head start from the parent tuber. Container-started transplants also adapt quickly if the pot was large enough to prevent root binding.
After about two weeks, you should see fresh leaves developing. At that point, resume normal care — regular watering, hilling as the plant grows, and watching for pests. The potato harvest may come a week or two later than untouched plants, but you will still get a usable crop.
| Plant Stage at Transplant | Likely Recovery Outcome |
|---|---|
| Less than 6 inches tall, no flowers | Usually fully recovers, minimal yield loss |
| 6–12 inches tall, before flowering | Often recovers with moderate yield reduction |
| Flowering or beyond | High risk of stunting; yield likely reduced |
The Bottom Line
Transplanting potatoes is a practical rescue move when spacing is off or volunteers pop up. The best chance for success comes with small, young plants and a gentle touch. Expect some yield reduction compared to never-moved plants, but the alternative — losing the plant entirely — is usually worse.
If your garden layout or tuber size goals are specific, a master gardener through your local cooperative extension service can help you adjust spacing and timing for your exact variety and soil conditions.
References & Sources
- Usu. “Planting Spacing” For optimal potato growth, seed potatoes should be spaced 6 to 8 inches apart to reduce tuber size and increase the number of tubers set.
- Sarabackmo. “Why Should I Transplant Potato Plants” Transplanting potato plants is possible, and there are several reasons to do it, such as correcting spacing or moving volunteers.