There was a time when the kitchen windowsill did real work. A jar of cuttings rooting in water. A clay pot of something green leaning toward the light. Grandmothers didn’t run to the store for a sprig of anything.
That habit has mostly faded. Now a pinch of fresh basil comes in a plastic clamshell for four dollars and rots in the crisper by Thursday.
But the old way still works. Most of the herbs you buy will regrow from a scrap, a cutting, or a single clove — right there on the counter, in nothing fancier than a drinking glass.
No garden. No grow lights required for most of them. Just a sunny window and a little patience.
Here are 21 herbs you can stop buying for good.
1. Green Onions (Scallions)
Start here. Nothing else pays off this fast.
Next time you cook, don’t toss the white rooty ends. Stand them upright in a small jar with an inch of water, set it on the sill, and walk away.
Green shoots push up within a day or two. In a week you’re snipping again. According to A Piece of Rainbow, these are perennial bunching onions, so the cycle repeats almost indefinitely.
Change the water every few days and they’ll outlast your patience. One bunch becomes an endless one.
2. Basil
Basil is the herb that taught everyone water propagation works.
Take a four- to six-inch grocery-store stem, strip the lower leaves, and stand it in water. Roots appear in a couple of weeks. Pot it up and it grows year-round.
One thing basil hates: cold glass. Don’t press it against a chilly windowpane in January.
Keep it warm and bright, and a single cutting becomes a bushy plant you keep pinching all winter.
3. Mint
Mint roots in water so easily it almost feels like cheating. A cutting in a glass throws roots in days, and from there it’s hard to kill. People joke that mint is a weed with good PR.
Grow it in its own pot. Always. Mint sends out runners that strangle anything sharing its soil, and in a garden bed it becomes a decades-long regret.
One caveat matters more on a site full of pet owners. The ASPCA lists mint as toxic to cats. A leaf brushed by a curious nose won’t hurt, but a cat that chews through a large amount can end up with vomiting and diarrhea.
The danger scales with quantity, not contact. A pot of mint on a high shelf, out of paw’s reach, is the safe play in a home with a determined nibbler.
Keep it potted, keep it high. Cats and runaway runners are the only two things mint can’t manage on its own.
4. Lemon Balm
Lemon balm is mint’s gentler cousin, and it roots in water just as willingly.
Snip a soft stem, drop it in a glass, wait. The leaves smell like lemon and citronella crushed together, and they make a tea that tastes like summer.
You almost never see it sold fresh. That’s the whole argument for growing it — you can’t buy what you grow on the sill.
5. Oregano
Take a green cutting, not a woody one. The soft new growth roots in water within a couple of weeks; the old brown stems just sit there and sulk.
Oregano loves a south or west window and doesn’t mind drying out between drinks. Forget to water it for a day and it forgives you.
That makes it one of the kindest herbs for a distracted cook.
6. Thyme
Cut just below a leaf node, pull off the lower leaves, and set the sprig in water. Roots start forming in about two weeks.
Thyme is the easy entry point for woody herbs. It tolerates a cool windowpane and likes its soil on the dry side once potted.
A few sprigs from one grocery package can carry you through a whole winter of soups and roasts.
7. Sage
Sage roots from spring’s new growth, but it’s fussy about one thing: rot.
Change the water often — every couple of days — or the stem turns to mush before it ever throws a root.
It also wants serious light. Eight hours or more. Give sage your brightest window, the one that floods with afternoon sun, and nothing else.
8. Rosemary
Here’s the small miracle. That $3 package of rosemary sprigs can become a permanent plant.
Strip the lower needles from a sprig, stand it in water, and be patient — rosemary is woody and slow, so this takes longer than basil. According to House Digest, once roots form you pot it in sandy, fast-draining soil.
Done right, you never buy rosemary again. A single sprig becomes a fragrant shrub that lives for years.
9. Marjoram
Marjoram is oregano with the edges softened — sweeter, milder, easy to root from a small cutting.
Try the cheap trick here. Cover the cutting with a clear takeout lid to trap humidity, and it roots faster.
That little plastic dome turns a drafty counter into a tiny greenhouse. Free, and it works.
10. Winter Savory
Most people have never cooked with winter savory, which is exactly why it belongs on this list.
It’s peppery, a little resinous, wonderful with beans. Stores almost never carry it. According to Earth’s Sally, the tender stems root in water alongside the easy crowd.
Grow it because you can’t buy it. That’s the best reason there is.
11. Cilantro (Coriander)
Cilantro breaks the pattern. Skip the cutting and start it from seed.
Cuttings don’t hold their flavor, and the plant grows fast enough from seed that you won’t miss them. Harvest young and shallow before it bolts to flower in the heat.
It’s also forgiving about light. Unlike the sun-hungry Mediterranean herbs, cilantro handles the so-so brightness of an average windowsill.
12. Parsley
Parsley tests your patience at the start. The seeds are famously slow to germinate, sometimes taking weeks.
Wait it out. Once parsley gets going, it’s a cut-and-come-again machine that hands you months of harvest from one sowing.
It also tolerates part shade better than most. The Brooklyn Botanic Garden flags it as one of the better picks for the dim, part-sun reality of an actual windowsill.
13. Dill
Dill grows quick from seed and bolts the moment it gets too warm. A hot kitchen is its enemy.
Try the desk-fan trick. A little airflow across the plant keeps it cool and stops it from rushing to flower.
Give it a deep pot, too. Dill drives down a long taproot and resents a shallow container.
14. Chives
Chives are the herb that never quits. Cut them at the base and they regrow, again and again, tolerating lower light than almost anything else here.
But chives come with a serious warning, and on a site full of dog and cat people it has to be said plainly.
Chives are alliums — same family as onion and garlic — and the ASPCA lists them as toxic to both cats and dogs. The compounds in alliums damage red blood cells, which can lead to a dangerous anemia. Cats are especially sensitive.
The trouble is that chives don’t announce the risk. A pot of grassy green spikes looks harmless, and the damage from a real ingestion can take days to show up as weakness, pale gums, or dark urine.
So grow them, but grow them smart. Keep the pot well out of reach — a high shelf, a hanging planter, anywhere a curious mouth can’t get to it. Toxic to pets — keep elevated. If your pet does eat some, call your vet or the ASPCA Animal Poison Control Center right away.
15. Garlic Greens & Scapes
One clove. A shot glass of water. That’s the whole setup.
Drop a single garlic clove root-end down into a little water, and within days it throws up green shoots. Snip those greens and the curling scapes into stir-fries, scrambled eggs, or a quick pesto. They taste like mild garlic and they keep coming.
It’s the most generous scrap on the list — endless garlicky greens from a clove you’d have peeled anyway.
The same allium warning applies, and it’s not optional. Garlic is toxic to cats and dogs, even more potent than onion by weight, and capable of damaging their red blood cells.
Keep the glass up high where pets can’t tip it or chew it. If one does get into it, call your vet or animal poison control immediately — don’t wait for symptoms, because allium damage often shows up a day or two later.
16. Lemongrass
Lemongrass feels like a magic trick. Buy a stalk, stand the root end in water on the sill, and watch it grow roots from a thing you thought was dead.
Give it a couple of weeks, then move it to a pot. From a single grocery stalk you get a whole clump.
It’s vigorous, so keep it contained. A pot is plenty — this is not something you want loose in a bed.
17. Catnip
Catnip is mint-family through and through, rooting from a cutting in about a week.
And it earns its keep twice. You get a herb for tea, and your cat gets the best afternoon of its life.
Go easy on the offering, though. A big helping can upset a cat’s stomach, so a few leaves at a time is plenty.
Grow it where the cat can reach the gift — and where it can’t flatten the whole plant.
18. Stevia
Stevia roots in water like basil and mint, soft-stemmed and cooperative.
The payoff is strange and wonderful: a no-calorie sweetener you essentially cannot buy fresh anywhere. Pluck a leaf, chew it, and it’s startlingly sweet.
Drop a few leaves into hot tea instead of sugar. Free sweetness, grown on the counter from a cutting.
19. Tarragon
French tarragon is the backbone of a good béarnaise, and it’s almost never on the shelf fresh.
It roots from cuttings, which makes it a fine candidate for the windowsill.
One note for cat homes: tarragon is mildly toxic to cats and can cause stomach upset. Nothing like the allium danger, but worth keeping the pot somewhere the cat ignores.
20. Chamomile
Chamomile is the tea-garden dream — those little daisy flowers steeping into something calming at the end of a long day.
It’s a softer fit for the counter, though. Chamomile leans on soil and seed rather than the clean water-jar method, so it asks a bit more of you.
And some chamomile types are toxic to pets, so check before you let a curious nose near it. Lovely in a teacup, just a little more work to get there.
21. Bay Laurel
This one’s the long game.
A single bay laurel supplies bay leaves for years — drop one in a pot of soup and it perfumes the whole thing. But it’s slow. Cuttings take their time even with rooting hormone, and the plant eventually grows too big for any countertop.
Think of it less as a counter herb and more as a houseplant that earns its rent in the stockpot. Start it small, be patient, and it outlives every other plant on this list.
The Takeaway
None of this is new. It’s just the kitchen our grandparents kept — a row of glasses on the sill, something always rooting, nothing wasted.
Start with the green onions tonight. They’ll be growing by morning, and that small win has a way of leading to the rest.
Before long the windowsill is doing real work again, and the four-dollar clamshell is a thing you used to buy.