14 Kitchen Scraps You Can Use for Growing Vegetables From Scraps
Ever stared at your kitchen trash and thought, “Wait… could I grow something from this?” Yeah, same here. One day I tossed out a sad-looking onion base and then paused—what if I just… didn’t?
Turns out, growing vegetables from scraps isn’t just possible—it’s ridiculously satisfying. You save money, reduce waste, and feel like a low-key gardening genius. Not bad for something you almost threw away, right?
Let’s walk through 14 kitchen scraps you can actually regrow into vegetables, plus how to do it without turning your kitchen into a science experiment gone wrong.
1. Green Onions (Scallions)
Why They’re the MVP of Scrap Gardening
If you only try one thing, start here. Green onions regrow like magic.
How to Regrow Them
- Place the white root ends in a glass with a bit of water
- Keep them near sunlight
- Change water every couple of days
Within a few days, you’ll see fresh green shoots.
Pro tip: Cut what you need and let the rest keep growing. Endless onions? Yes, please.
2. Romaine Lettuce
From Sad Core to Fresh Leaves
That leftover lettuce base still has life in it.
Steps to Grow
- Put the core in a shallow bowl of water
- Keep it in indirect sunlight
- Mist occasionally
You’ll see new leaves sprouting from the center in about a week.
Is it grocery-store big? No. But it’s fresh and free, so I won’t complain.
3. Celery
Surprisingly Easy to Regrow
Celery works almost the same way as lettuce, but it grows a bit chunkier.
What to Do
- Place the base in shallow water
- Keep it in sunlight
- Transplant to soil after new growth appears
Bold takeaway: Celery regrows best when you eventually move it to soil.
4. Garlic
One Clove = Whole New Bulb
Ever noticed garlic sprouting in your pantry? That’s your cue.
Growing Method
- Plant a clove in soil, root side down
- Give it sunlight and water
Over time, it grows into a full bulb.
FYI: You can also snip the green shoots (garlic scapes) and use them like chives.
5. Potatoes
The Classic Kitchen Scrap Hero
Those sprouting potatoes aren’t trash—they’re future fries.
How to Regrow
- Cut potatoes into chunks (each with an “eye”)
- Let them dry for a day
- Plant them in soil
They grow underground, so patience matters here.
Worth it? Absolutely. Homegrown potatoes taste better—IMO.
6. Sweet Potatoes
A Slightly Different Process
Sweet potatoes grow more like vines.
Steps
- Stick toothpicks in a sweet potato
- Suspend it half-submerged in water
- Wait for sprouts (called slips)
Once slips grow, plant them in soil.
Bonus: The leaves are edible too. Double win.
7. Ginger
The Lazy Gardener’s Dream
Ginger practically grows itself if you ignore it long enough.
How to Plant
- Use a piece with visible “eyes”
- Plant it in soil, just below the surface
- Keep soil moist
After a few months, you’ll have fresh ginger.
Patience check: This one takes time. But hey, good things usually do.
8. Onions
Not Just for Green Shoots
Whole onions can regrow too—not just the tops.
What to Do
- Cut the root end with a bit of onion attached
- Let it dry
- Plant it in soil
Multiple shoots can grow from one base.
Cool, right? It’s like onion cloning without the lab coat.
9. Carrot Tops
Not for Roots—But Still Useful
You won’t regrow full carrots, but the tops still shine.
Growing Method
- Place carrot tops in shallow water
- Let greens sprout
Use the greens in salads or pesto.
Important: Don’t expect new carrots—just leafy goodness.
10. Basil
Endless Herbs from One Stem
If you cook a lot, this one’s a game changer.
How to Regrow
- Place a basil cutting in water
- Wait for roots to form
- Transfer to soil
Personal note: I’ve kept basil alive this way for months. It feels illegal how easy it is :)
11. Cilantro
A Bit Trickier, But Worth It
Cilantro can be fussy—but you can still regrow it.
Steps
- Place stems in water
- Wait for roots
- Move to soil
Honest take: It doesn’t always work perfectly, but when it does, it’s satisfying.
12. Leeks
Similar to Green Onions
If you’ve mastered scallions, leeks will feel familiar.
How to Grow
- Place the root end in water
- Keep in sunlight
- Watch new growth appear
Bold tip: Leeks grow slower than green onions, so don’t rush them.
13. Bell Peppers
Seeds You Almost Tossed
Those seeds inside your pepper? Totally plantable.
What to Do
- Dry the seeds
- Plant them in soil
- Water regularly
With enough sunlight, you’ll get full plants.
Heads up: This one takes time—but it’s fun to watch.
14. Tomatoes
The “Accidental Garden” Favorite
Ever seen tomatoes sprout in compost? Same idea.
Growing Steps
- Scoop seeds from a ripe tomato
- Plant them in soil
- Keep them warm and watered
Soon, you’ll have tomato seedlings.
Rhetorical question: Who doesn’t want fresh tomatoes on demand?
Tips for Growing Vegetables From Scraps
Start Simple
Don’t try all 14 at once unless you enjoy chaos. Start with:
- Green onions
- Lettuce
- Basil
These give quick results and build confidence.
Use the Right Setup
You don’t need fancy gear, but a few basics help:
- Small containers or jars
- Good-quality soil
- A sunny windowsill
Key point: Light and water matter more than anything else.
Know When to Move to Soil
Water works for starting growth, but many plants need soil long-term.
Watch for:
- Strong roots
- New leaves
That’s your cue to transplant.
Manage Expectations
Let’s be real—this won’t replace your grocery store overnight.
But it will:
- Save a little money
- Reduce waste
- Give you fresh herbs and veggies
And honestly, that’s pretty awesome.
Why Growing Vegetables From Scraps Is Worth It
You turn waste into food. That alone feels good.
But you also:
- Learn basic gardening skills
- Stay connected to what you eat
- Get fresh produce without extra cost
Plus, there’s something oddly satisfying about telling someone, “Yeah, I grew this from scraps.” Instant cool points.
Final Thoughts
So next time you hover over the trash can with a handful of veggie scraps, pause for a second. Ask yourself—could this grow again?
Because a lot of the time, the answer is yes.
Start small. Try one or two scraps. Watch them grow. Then suddenly, you’ve got a mini garden going on your windowsill—and you didn’t even plan it.
And hey, if it doesn’t work the first time? No big deal. Even the best gardeners mess up. Just don’t blame the onion… it tried its best :/