FLASH SALE: SAVE UP TO 50%
ELECTRO-CULTURE
99.9% Pure Copper Antenna
A 1920s gardening tool that reportedly doubled crop yields. Press it into your soil. Watch your garden change all season.
Rated 4.8 based on 1345+
60-Day Money Back Guarantee · Free US Shipping
"I tried it and after a few weeks, there is a NOTICEABLE DIFFERENCE."
Jane T.
60 Day Money Back Guarantee
Free US Shipping
100% Pure Solid Copper
Used by 10,000+
60 Day Money Back Guarantee
Free US Shipping
100% Pure Solid Copper
Used by 10,000+
How Our Gardens Thrived Before We Trusted the Fertilizer Companies More Than the Soil
Copper has been growing food for over a hundred years.
Back when our grandparents gardened, a piece of copper in the soil was normal. They grew the kind of beds we still talk about. Full rows. Heavy fruit.
Enough to feed the family and hand the rest over the fence.
But in the last 80 years, we set the copper down and picked up a fertilizer instead.
Why Did We Forget About Copper? Because A Bag Makes Them More Money.
The fertilizer companies don't earn a dime when a piece of copper takes care of your soil for free.
They earn their money when you come back every spring for another bag. So they kept selling the bag, and let copper get buried.
More chemicals on the food you eat. More money out of your pocket. A tired garden turned into a business model.
Or they sell you the bag that sounds amazing on the label, with promises that never quite show up in your beds. So you buy it again anyway.
At Klēone, We Believe Copper Is The KEY To A THRIVING Garden Fertilizer Could Never Give You.
Put copper back in your soil and you're growing the way gardens did for a hundred years.
Fertilizer only feeds the soil. That's half. Copper brings back the other half, the electric charge in the air, and carries it straight down to your roots, the same charge a thunderstorm brings.
We're growing the future by bringing copper back from the past.
60-Day Money Back Guarantee · Free US Shipping
A Piece Of Copper Can Change Your Entire Garden
But let's be honest, a copper rod in the dirt looks too simple to do anything.
That's exactly the point. Nothing to mix, nothing to spray, nothing to remember. You push it in once and walk away.
Gardeners tell us they see taller plants and more fruit within weeks.
Solid 99.9% copper, hand-wound to the original 1920 spec.
This is how real gardeners grew before the bag. Plant it once, leave it for life.
60-Day Money Back Guarantee · Free US Shipping
What Happens When You Plant It
A real timeline from one of our gardeners.
- You stake it in your raised bed.
- Looks like a stick with copper wire.
- Someone asks what you're doing.
- You forget it's there.
- Nothing visible yet.
- That's normal.
- Leaves look fuller.
- Stems look taller.
- You start checking the plants more often.
- Tomato vines past the top of the trellis.
- Cucumbers bigger than last year's.
- Your neighbor asks what you're doing differently.
- Better than season one.
- Soil works on its own now.
- You order more for the front yard.
30 Seconds Of Effort. Whole Season Of Bigger Plants.
Three simple steps. No tools. No batteries. No upkeep.
STEP 1
PICK YOUR PACK
1 for a pot. 3 for a raised bed. 12 for a full garden.
STEP 2
PRESS INTO SOIL
Push it in. 30 seconds. Done.
STEP 3
WALK AWAY
Bigger plants in 4-8 weeks. Year two beats year one. Year three beats both.
60-Day Money Back Guarantee · Free US Shipping
Rated 4.8 based on 1345+
Made The Way Christofleau Wrote It.
Six details from the original 1920 patent.
60-Day Money Back Guarantee · Free US Shipping
Our promise to you
100% PURE COPPER
Solid copper from base to tip. No plating. No alloy. The patina that develops in soil is the proof it's real.
HAND-WOUND
Wound clockwise to Christofleau's original 1920 spec.
60-DAY MONEY BACK GUARANTEE
Plant it 60 days. If it doesn't earn its spot in your soil, send it back. Full refund. Free US returns.
⚠️ Every Antenna Is Hand-Wound. We Make a Limited Batch Each Month.
Spring is our busiest season, and batches sell out fast. A garden also runs on its own clock. You can't get a growing season back once it's gone.
If it's in stock, plant it now.
60-Day Money Back Guarantee · Free US Shipping
Here's What gardeners are saying
Rated 4.8 based on 1345+
SWIPE RIGHT to see all reviews
We were curious. So we tested it ourselves.
Two identical pots. Same soil. Same seedlings. Same watering schedule. Same windowsill. One had a Klēone antenna planted beside it. The other didn't.
DAY 1
WEEK 6
We're not scientists. Two pots, one season, in our own backyard. The pots aren't even identical one's striped, one's black. We're sharing what we saw, not proof. Run your own test and tell us what you find.
60-Day Money Back Guarantee · Free US Shipping
Bigger Plants. More Food. Less Fertilizer.
What gardeners report after a full season with the antennas in.
BIGGER PLANTS
Most gardeners notice taller stems, fuller leaves, and more fruit within 4-8 weeks.
MORE FOOD
Tomatoes, cucumbers, peppers, and leafy greens are the biggest responders. Some customers report yields doubled.
YEAR OVER YEAR
Soil conductivity improves with time. Season two typically beats season one. Season three beats both.
LESS MONEY ON FERTILIZER
Many customers cut their fertilizer bill in half. Some stop buying it entirely after the first season.
Rated 4.8 based on 1345+
60-Day Money Back Guarantee · Free US Shipping
Details
Garden Coverage Levels
✓ 1 Antenna - Single pot or planter (up to 8 sq ft)
✓ 2-3 Antennas - Small raised bed (up to 24 sq ft)
✓ 5 Antennas - Kitchen garden or mid-size bed (up to 40 sq ft)
✓ 12 Antennas - Full backyard garden (up to 96 sq ft)
✓ Custom Quantity - Greenhouse or farm-scale plot
Materials
Every antenna is solid 99.9% pure copper, with an 8mm rod base and a 4mm wire hand-wound into a tight coil at the top. Each one stands roughly 14 inches tall when planted and weighs about 4 ounces.
Planting Options
Goes directly into soil, raised beds, container gardens, or greenhouse plots. No tools required. Plant once and leave it. Works in any climate zone where you can garden outdoors or under cover.
Care & Lifespan
No batteries, no wiring, no upkeep. The copper develops a natural patina over time, which is part of the method. Wipe down with a dry cloth if needed. Built to last a lifetime.
What's Included
Pack Sizes
✓ 1-Pack - One hand-wound copper antenna + planting guide
✓ 5-Pack - Five hand-wound copper antennas + planting guide (raised bed bundle)
✓ 12-Pack - Twelve hand-wound copper antennas + planting guide (whole garden bundle)
Every Antenna
Hand-wound in our workshop, finished individually, and inspected at the bench before it leaves us. No two are exactly identical, which is the point of doing them by hand. Each batch is hand-numbered on the card inside.
Planting Guide
A printed copy of the original 1920 Christofleau planting instructions, translated from the French. Twelve pages. Includes his original spacing diagrams and notes from our workshop on how we use it ourselves.
Packaging
Ships in unbleached recycled cardboard with a hand-stamped batch card, no plastic, no filler material, and no promotional inserts.
Shipping & Returns
Ships from Indianapolis.
All orders are fulfilled and then shipped to anywhere in the united states in 2–4 working days on average.
Worldwide shipping (other than us) takes 5–10 working days depending on location:
Europe: 5–10 days
Australia: 5–10 days
United Kingdom: 5–10 days
Canada: 5–10 days
Rest of world: 5–10 days
All orders come with tracking information once shipped.
—————————
RETURNS
60-day money-back guarantee.
we pay return shipping in the us. full refund. no restocking fee. no questions asked.
How to return:
1. Email support@kleone-copper.com
2. We send you a free return label
3. Drop it at any usps, ups, or fedex location
4. Refund processed within 5 business days of receipt
Warranty on craftsmanship. if anything breaks under normal use, we replace it free of charge.
Rated 4.8/5 out of 1345 reviews
NEW
A 1920s gardening tool that reportedly doubled crop yields. Press it into your soil. Watch your garden change all season.
SPRING PLANTING SEASON SALE
Every order includes a FREE Electro-culture ebook.
60-Day Money Back Guarantee · Free US Shipping
Why Gardeners Love It:
Bigger, healthier plants in 4-8 weeks
Less fertilizer. Less chemicals.
Christofleau's 1920 reports: yields up to doubled
Hand Wound. Made To Last.
100% Pure solid copper
10,000+ Happy Customers
Join thousands growing their plants
10,000+ Happy Customers
Join thousands growing their plants
60 Day Money Back Guarantee
Not for you? Send it back for a full refund no questions asked
60 Day Money Back Guarantee
Not for you? Send it back for a full refund no questions asked
Details
Garden Coverage Levels
✓ 1 Antenna - Single pot or planter (up to 8 sq ft)
✓ 2-3 Antennas - Small raised bed (up to 24 sq ft)
✓ 5 Antennas - Kitchen garden or mid-size bed (up to 40 sq ft)
✓ 12 Antennas - Full backyard garden (up to 96 sq ft)
✓ Custom Quantity - Greenhouse or farm-scale plot
Materials
Every antenna is solid 99.9% pure copper, with an 8mm rod base and a 4mm wire hand-wound into a tight coil at the top. Each one stands roughly 14 inches tall when planted and weighs about 4 ounces.
Planting Options
Goes directly into soil, raised beds, container gardens, or greenhouse plots. No tools required. Plant once and leave it. Works in any climate zone where you can garden outdoors or under cover.
Care & Lifespan
No batteries, no wiring, no upkeep. The copper develops a natural patina over time, which is part of the method. Wipe down with a dry cloth if needed. Built to last a lifetime.
What's Included
Pack Sizes
✓ 1-Pack - One hand-wound copper antenna + planting guide
✓ 5-Pack - Five hand-wound copper antennas + planting guide (raised bed bundle)
✓ 12-Pack - Twelve hand-wound copper antennas + planting guide (whole garden bundle)
Every Antenna
Hand-wound in our workshop, finished individually, and inspected at the bench before it leaves us. No two are exactly identical, which is the point of doing them by hand. Each batch is hand-numbered on the card inside.
Planting Guide
A printed copy of the original 1920 Christofleau planting instructions, translated from the French. Twelve pages. Includes his original spacing diagrams and notes from our workshop on how we use it ourselves.
Packaging
Ships in unbleached recycled cardboard with a hand-stamped batch card, no plastic, no filler material, and no promotional inserts.
Shipping & Returns
Ships from Indianapolis.
All orders are fulfilled and then shipped to anywhere in the united states in 2-4 working days on average.
Worldwide shipping (other than us) takes 5–10 working days depending on location:
Europe: 5–10 days
Australia: 5–10 days
United Kingdom: 5–10 days
Canada: 5–10 days
Rest of world: 5–10 days
All orders come with tracking information once shipped.
—————————
RETURNS
60-day money-back guarantee.
We pay return shipping in the us. Full refund. No restocking fee. No questions asked.
How to return:
1. Email support@kleone-copper.com
2. We send you a free return label
3. Drop it at any usps, ups, or fedex location
4. Refund processed within 5 business days of receipt
2-year warranty on craftsmanship. if anything breaks under normal wear, we replace it free of charge.
You Asked, We Answered
WILL MY PLANTS REALLY GROW BIGGER?
Within 4-8 weeks, gardeners report taller stems, fuller leaves, and more vegetables. The effect compounds. Season two beats season one. Season three beats both.
WHAT DOES SCIENCE SAY?
Most research stopped before 1968. After WWII, fertilizer companies funded the field, and they didn't fund work on free atmospheric ions because nobody can patent the air. The modern silence is about who pays for what gets studied.
HOW IS YOURS DIFFERENT FROM THE CHEAP ONES?
Three things. Material: 99.9% pure copper, not painted alloy. Direction: wound clockwise from base to tip, the 1920 Northern Hemisphere spec. Stake: 8mm copper rod base with a tightly hand-wound 4mm copper coil at the top.
HOW MANY DO I NEED?
One per 2-3 feet of garden space.
4×8 raised bed → 4 antennas
10×10 garden → 12 antennas
One large pot → 1 antenna
Indoor houseplant → 1 antenna
WHEN SHOULD I PLANT THEM?
Anytime. The clearest results show up when you plant them at the start of a growing season (March through May in the US), so you have a full season to watch.
CAN I USE THEM INDOORS? IN POTS?
Yes. One per medium or large container. Works on indoor herbs, houseplants, indoor tomato setups, and cannabis. Any plant rooted in soil.
WILL COPPER HURT MY SOIL?
No. Copper is an essential plant nutrient. Your plants need it. At one antenna per 2-3 feet, you're nowhere near a level that affects soil microbes. We recommend rotating their position each season for long-term soil rotation.
HOW LONG DO THEY LAST?
5+ seasons. Copper basically forever. It just deepens to a richer bronze patina over time, like an old penny.
WHAT IF I CHANGE MY MIND?
Send them back within 60 days. Full refund. We pay return shipping. No questions, no forms, no phone call.