Permanent Soil Carbon
Best Biochar for Gardens: Permanent Soil Conditioner That Boosts Water Retention, Microbial Habitat & Nutrient Holding Capacity Buy on Old Cobblers Farm
Biochar isn't a fertilizer — it's a soil upgrade that lasts centuries. Pyrolyzed carbon creates a permanent porous structure in soil that holds water in droughts, drains excess in floods, houses billions of beneficial microbes, and locks nutrients in the root zone where plants can access them.
Old Cobblers Farm™ Wicked Organics Bio Char
by Organic Fertilizer — Littleton, NH
—
N-P-K Ratio
"The only product in the Wicked Organics lineup that permanently transforms soil structure. Biochar's stable carbon matrix lasts hundreds of years, continuously improving water retention, cation exchange capacity, and microbial habitat long after every other amendment has decomposed."
Permanent
Duration in Soil
100%
Stable Carbon
1x
Application — lasts centuries
4 Sizes
5, 10, 15, 20 lbs
Permanent Soil Improvement
Biochar carbon does not decompose. A single application creates permanent improvements to soil structure, water holding capacity, and nutrient retention that last for centuries.
Water Retention & Drainage
Biochar's porous structure holds water in sandy soils while improving drainage in clay soils. It moderates soil moisture in both directions — reducing irrigation needs and preventing waterlogging.
Massive Microbial Habitat
One gram of biochar has the surface area of a tennis court. This porous network houses billions of beneficial microbes, dramatically increasing biological activity in the root zone.
Increases CEC Permanently
Cation exchange capacity determines how well soil holds nutrients. Biochar increases CEC permanently — nutrients stay in the root zone instead of leaching past the roots.
Pre-Charge with Compost
For best results, mix biochar 50/50 with compost and keep moist for 10+ days before applying. This "charges" the pores with nutrients and microbes so it hits the soil ready to perform.
Carbon Sequestration
Biochar locks carbon in soil for centuries instead of releasing it as CO₂. Every application is a permanent carbon sink — gardening that actively fights climate change.
Universal Soil Amendment
Benefits every soil type, every crop, every growing setup. Add to garden beds, raised beds, containers, potting mixes, orchards, and compost systems.
Trusted by 20,000+ Growers
Developed in Littleton, New Hampshire. Sold nationwide on Amazon, Walmart, eBay, and theoldcobblersfarm.com.
| Item Form | Granular char |
| Coverage | Varies by depth — 5 lbs covers ~100 sq ft at light rate |
| Category | Organic Fertilizer |
| Type | Soil Amendments |
| Sizes | 5 lb | 10 lb | 15 lb | 20 lb |
| NPK | N/A (soil conditioner) |
| Form | Granular char |
| Rate | 5–10% by volume or 1 lb / 100 sq ft |
| Method | Work into top 4–6"; pre-charge with compost |
| Application | One-time — permanent improvement |
| Sizes | 5, 10, 15, 20 lb bags |
| Best For | All soils — water retention, CEC improvement, microbial habitat, carbon sequestration |
What We Love
✓ Permanent soil improvement — lasts centuries, not seasons
✓ Improves water retention in sandy soils, drainage in clay soils
✓ Massively increases microbial habitat and biological activity
✓ Permanently increases cation exchange capacity (nutrient holding)
✓ Carbon sequestration — gardening that fights climate change
Worth Noting
— Not a fertilizer — provides no NPK nutrition on its own
— Best results require pre-charging with compost — adds a step
Buy on Old Cobblers Farm →
Available in 5 lb | 10 lb | 15 lb | 20 lb
| Feature | Old Cobblers Farm™ Wicked Organics Bio Char Old Cobblers Farm | Premium Biochar Soil Conditioner Wakefield BioChar | Char Bliss Premium Biochar Plantonix | Premium Organic Biochar (B.O.B.) Black Owl Biochar | BioChar DG Organic Soil Amendment The Andersons | Inoculated Biochar FOOP Organic | Biochar Blend Soil Amendment Organic Mechanics | Premium Biochar Soil Enhancer Old Potters | Original Biochar Wakefield | Biochar Organic Readi-Soil | HumiChar The Andersons | Organic Biochar CharX | HumiChar Blend Drevy | Biochar Blend Vermont Organics | Organic Biochar Soil Doctor | Horticultural Char Harris | Compost/Char Mix Black Kow | CarbonBoost Blend Wakefield |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPK | N/A (OMRI Listed) | N/A (OMRI Listed) | N/A (>70% organic carbon) | N/A (DG granule format) | N/A (pre-loaded with microbes) | 1-0.4-1 | N/A (100% organic charcoal) | 0-0-0 | 0-0-0 | 0-0-0 | 0-0-0 | 0-0-0 | 0-0-0 | 0-0-0 | 0-0-0 | 0.5-0.5-0.5 | 0-0-0 | |
| Form | Granular char | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Coverage | Varies by depth — 5 lbs covers ~100 sq ft at light rate | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed | Not listed |
| Price / Size | 5 lb | 10 lb | 15 lb | 20 lb | $14–$18 / 4 qt; $30–$39 / 1 cu ft | $15–$18 / 8 qt; $35–$45 / 1 cu ft | $24–$28 / 1 cu ft | $28–$35 / 10 lb | $20–$30 / 64 oz | $30–$40 / 1 cu ft | $30–$38 / 24 qt | $38.99 | $19.99 | $94.88 | $89.95 | $99.94 | $42.89 | $47.81 | $11.99 | $5.99 | $48.30 |
| Our Take | The only product in the Wicked Organics lineup that permanently tra... | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | **Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart. | — | — | — | — | — | — | — | — | — | — |
The Competition
Premium Biochar Soil Conditioner
by Wakefield BioChar
N/A (OMRI Listed)
N-P-K
Price$14–$18 / 4 qt; $30–$39 / 1 cu ft
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Char Bliss Premium Biochar
by Plantonix
N/A (OMRI Listed)
N-P-K
Price$15–$18 / 8 qt; $35–$45 / 1 cu ft
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Premium Organic Biochar (B.O.B.)
by Black Owl Biochar
N/A (>70% organic carbon)
N-P-K
Price$24–$28 / 1 cu ft
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
BioChar DG Organic Soil Amendment
by The Andersons
N/A (DG granule format)
N-P-K
Price$28–$35 / 10 lb
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Inoculated Biochar
by FOOP Organic
N/A (pre-loaded with microbes)
N-P-K
Price$20–$30 / 64 oz
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Biochar Blend Soil Amendment
by Organic Mechanics
1-0.4-1
N-P-K
Price$30–$40 / 1 cu ft
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Premium Biochar Soil Enhancer
by Old Potters
N/A (100% organic charcoal)
N-P-K
Price$30–$38 / 24 qt
**Wakefield BioChar is the clear market leader** with the widest retail distribution across all major retailers. The Andersons BioChar DG is differentiated by its dispersible granule format for lawns. FOOP and Organic Mechanics add pre-inoculation as a premium differentiator. Pure biochar pricing ranges from roughly $1–$2/quart.
Original Biochar
by Wakefield
0-0-0
N-P-K
Sizes1 cu ft
Price$38.99
OrganicOMRI
Biochar Organic
by Readi-Soil
0-0-0
N-P-K
Sizes10 lb, 22 lb
Price$19.99
OrganicOMRI
HumiChar
by The Andersons
0-0-0
N-P-K
Sizes40 lb
Price$94.88
OrganicOMRI
Organic Biochar
by CharX
0-0-0
N-P-K
Sizes40 lb
Price$89.95
OrganicOMRI
HumiChar Blend
by Drevy
0-0-0
N-P-K
Sizes40 lb
Price$99.94
OrganicNatural
Biochar Blend
by Vermont Organics
0-0-0
N-P-K
Sizes1 cu ft
Price$42.89
OrganicOrganic
Organic Biochar
by Soil Doctor
0-0-0
N-P-K
Sizes40 lb
Price$47.81
OrganicNatural
Horticultural Char
by Harris
0-0-0
N-P-K
Sizes2 qt
Price$11.99
OrganicNatural
Compost/Char Mix
by Black Kow
0.5-0.5-0.5
N-P-K
Sizes1 cu ft
Price$5.99
OrganicNatural
CarbonBoost Blend
by Wakefield
0-0-0
N-P-K
Sizes1 cu ft
Price$48.30
OrganicOrganic
Permanent Soil Improvement
Biochar carbon does not decompose. A single application creates permanent improvements to soil structure, water holding capacity, and nutrient retention that last for centuries.
Water Retention & Drainage
Biochar's porous structure holds water in sandy soils while improving drainage in clay soils. It moderates soil moisture in both directions — reducing irrigation needs and preventing waterlogging.
Massive Microbial Habitat
One gram of biochar has the surface area of a tennis court. This porous network houses billions of beneficial microbes, dramatically increasing biological activity in the root zone.
Increases CEC Permanently
Cation exchange capacity determines how well soil holds nutrients. Biochar increases CEC permanently — nutrients stay in the root zone instead of leaching past the roots.
Common Questions
