Free Herb Garden from Grocery Store Basil

I spent about three years buying fresh basil at the grocery store, using a third of it, watching the rest turn into black mush in the back of the fridge, and then buying more basil the next week. A cycle. A very dumb, very preventable cycle.

Turns out those little grocery store herb bundles are basically a free propagation kit if you know what you’re doing. Propagating plants from cuttings is one of those skills that sounds fancier than it is. And once you do it once, you’ll never pay full price for a basil plant again.

Why Grocery Store Basil Works So Well

Those bundled herbs are usually cut pretty fresh, and basil in particular roots almost aggressively. No rooting hormone, no special soil. Just water and a windowsill and about two weeks of patience. Which is the cheapest thing in this garden, so that part was still hard for me.

April in the Pacific Northwest is still a little early to put basil outside, but it’s a great time to get cuttings rooting indoors. By the time we’re past our last frost and things are actually warming up, you’ll have rooted plants ready to go.

How to Do It

Grab a bundle of fresh basil from the grocery store. Doesn’t have to be anything fancy, the cheap bundles work fine. You’re looking for stems that are at least 4 inches long and haven’t flowered yet. Flowers mean the plant is going to seed and that energy isn’t going toward roots.

Snip the bottom leaves off so you have about 2 inches of bare stem. Drop the cutting in a small glass or jar with just enough water to cover that bare stem section. Don’t submerge the leaves. I made that mistake the first time and ended up with a jar of rotting salad.

Set it in a bright window. Not direct blasting sun, just bright indirect light. Change the water every couple of days so it doesn’t get cloudy and gross. Within a week or two you’ll start seeing little white roots coming off the stem nodes.

When to Move Them to Soil

Once the roots are about an inch long, they’re ready to pot up. I use a mix of coconut coir and a little perlite for starting them off. Stays moist without staying soggy, which basil appreciates. Regular potting mix works fine too, I just had coir on hand.

Use a small pot. Nothing huge. You’re not trying to grow a tomato here. A 4-inch pot per cutting is plenty. Keep the soil consistently moist for the first week while the roots adjust to their new situation.

One Bundle Becomes Many

Here’s the part that gets fun. A single grocery store bundle will typically give you 6 to 10 cuttings. Each cutting becomes a plant. Each plant, once it gets going, can give you more cuttings. You can see where this is headed.

My daughters thought it was basically magic the first time we did this. My youngest kept checking the water glass every morning to report on root progress. More enthusiasm than I get about most things, honestly. The bar is low when you’re competing with screen time.

I ended up with more basil starts than I needed and gave a few away, which felt extremely generous of me given that each one cost roughly nothing.

It Works for More Than Just Basil

Once you’ve done this with basil you’ll start eyeing every herb at the store differently. Mint roots even faster, almost aggressively so. Plant it in a container or it will take over everything, consider yourself warned. Rosemary takes longer but it works. Cilantro doesn’t propagate from cuttings well, you’re better off just direct seeding that one, but most of the woody herbs and a lot of the soft ones will root in water just fine.

There’s a whole category of plants that propagate from cuttings easily including herbs you’d normally pay nursery prices for. Which, now that I think about it, means the grocery store produce section is kind of a very slow nursery. With better lighting.

The Actual Cost Here

A grocery store herb bundle at QFC or Safeway is usually under two dollars. From that you get 6 to 10 plants. Compare that to buying starts at a nursery in May where a single 4-inch basil pot is going for $4.99 each. The math is not subtle.

You already have a jar. You already have water. That’s basically the whole setup.

I’d say this is a no-brainer but I spent three years not doing it, so apparently it requires some convincing. Don’t be me. Buy the basil, root the cuttings, grow the garden. Lettuce all agree that free plants are better than expensive ones. (Sorry. Couldn’t help it.)

Photo by Louis Hansel on Unsplash