Cheap Potato Planting: Scraps, Seed Spuds, and No Regrets

Last spring I got as far as picking up a bag of seed potatoes at the nursery, looked at the price tag, and put them back on the shelf. Went home. Cut up the potatoes I already had sitting in my kitchen. Planted those instead. Got a decent harvest out of it. Whole operation cost me basically nothing.

This is the kind of financial decision-making that keeps this garden running.

Can You Actually Plant Grocery Store Potatoes?

Sort of. The honest answer is sometimes yes, sometimes it’s more complicated. Commercially grown potatoes are often treated with a sprout inhibitor so they can sit on shelves without turning into science experiments, and that treatment can slow or flat-out prevent sprouting, which is obviously the whole point when you’re trying to plant them.

So if you grab a potato from the bag and it’s already sprouting on its own, you’re probably fine. That one clearly didn’t get the memo. But if it’s been sitting rock solid and smooth on your counter for two weeks, it might be fighting you the whole way.

Organic grocery store potatoes tend to sprout more reliably since they’re less likely to have been treated. I’ve had good luck just leaving a few on the counter near a window for a week or two and seeing what happens. Free experiment. Worst case you compost them.

The Scrap Method (The Cheapest Possible Move)

When you’re peeling potatoes and you get a thick chunk of peel with a good eye on it, that’s a seed piece. I know that sounds like I’m reaching, but it actually works. The eye is where the growth comes from, not the flesh itself.

Cut your potato into chunks, each with at least one eye, and let them dry out for a day or two before planting. This is called curing and it helps prevent rot. I skipped this step my first year. I do not recommend skipping this step.

Each piece should be roughly the size of a large egg. Doesn’t have to be perfect. Potatoes are forgiving that way. They’re basically trying to survive and reproduce no matter what you do to them.

Actual Seed Potatoes (When It’s Worth It)

If you want to go a step up without spending much, seed potatoes from a garden center or seed catalog are certified disease-free, which matters more than it sounds. You’re not gambling on whether some rot decides to spread through your whole bed three weeks in.

I usually buy one small bag and stretch it by cutting each potato into multiple pieces. A bag that gives you 10 seed potatoes can turn into 25 or 30 planting pieces if you’re paying attention. Which, now that I think about it, is basically free multiplication.

Varieties like Yukon Gold and Red Norland do well here in the Pacific Northwest. Both are pretty easy to find locally come April. Fingerlings are fun if you’ve got the space and patience, and my daughters think they look hilarious when you dig them up.

Planting in Redmond Right Now

April is honestly ideal timing here. Soil temps are getting up around 45 to 50 degrees, which is the sweet spot for potato planting. Too cold and they just sit there and sulk. Too warm and you’ve missed your window before summer heat stress kicks in.

Plant pieces about 4 inches deep, 12 inches apart, rows about 2.5 feet apart. Or if you’re short on space, plant in a grow bag or a garbage can with holes drilled in the bottom. I’ve done both. The garbage can method came out of a moment of pure desperation and worked surprisingly well, which is pretty much the theme of this whole blog.

As the plants grow up to about 8 inches tall, hill soil up around them to cover the lower stems. Do this two or three times through the season. More stem buried underground means more potato production along that stem. That’s the whole game.

The One Thing I’d Do Differently

My first year I planted too many too close together because I couldn’t stand wasting any of my scraps. The plants competed, the yields were disappointing, and I stood there in September holding three sad potatoes thinking I’d invented a new way to fail at something genuinely easy.

Give them space. Resist the urge to pack them in. The potatoes will thank you, assuming potatoes have feelings, which after gardening for this long I’m not entirely ruling out.

Anyway. April’s here, the soil’s workable, and you probably have potatoes in your kitchen right now growing eyes whether you asked them to or not. Might as well put them to work.

The price is right. And that’s no small potatoes.

Photo by Sandie Clarke on Unsplash