Jang JP-1 Seed Roller MJ-6
Best precision roller for planting small to medium vegetable seeds.
Optimize your planting with the Jang Seed Roller MJ-6, a precision accessory for Jang JP and JPH Series Seeders. This roller features 6 v-groove holes, each 6mm in diameter and 3.5mm deep, ensuring accurate singulation of small to medium seeds. Crafted from special anti-abrasive plastic, it minimizes static electricity for consistent seed delivery from hopper to ground. Measuring approximately 3/4" wide and 2 3/8" in diameter, it provides seed spacing of 4-10" depending on your seeder's sprockets, ideal for crops like spinach and pelleted parsley.
$35.50
Owner Satisfaction
4.7
/ 5
Category Rank
16
/ 166
#16 in Gardening Tool Heads
Price vs Category Average
-37%
Below average
Material
Anti-abrasive plastic
/ Anti-abrasive plastic
Who it's for
- Market gardeners needing precise spacing for small seeds
- Commercial farmers requiring long-term, heavy-duty equipment
- Producers looking to maximize efficiency on large-scale plantings
Who should skip it
- Small-scale growers operating on a limited startup budget
- Gardeners working with rocky, unrefined, or heavy clay soil
- Farmers wanting a simple, one-size-fits-all planting solution
Performance breakdown
Singulation Accuracy
V-groove design ensures consistent, single-seed delivery for uniform crop spacing.
Material Durability
Anti-abrasive plastic construction stands up well to repeated seasonal field use.
Static Resistance
Specialized material composition effectively prevents seed clumping caused by static buildup.
Installation Ease
Quick-swap design allows for seamless transitions between different seed varieties.
System Compatibility
Perfectly engineered for seamless integration with all JP and JPH seeders.
Versatility
Optimized specifically for small to medium seeds like spinach and parsley.
Key Specs
Material
Anti-abrasive plastic
Hole Diameter
6 mm
Hole Depth
3.5 mm
Hole Shape
v-groove
Width
Approximately 3/4"
Diameter
Approximately 2 3/8"
Compatible with
Jang JP or JPH Series Seeders
Operation Method
Push
Features
- Precisely meters and spaces small to medium seeds
- Minimizes static electricity with anti-abrasive plastic
- Ensures accurate seed placement for efficient planting
- Compatible with all Jang JP/JPH Series Seeders
- Easy to swap for different seed sizes
- V-groove holes for optimal seed carrying
- Reduces seed waste and improves germination
What customers say
Customers view the Jang MJ-6 roller as an essential, high-performing part of the precision seeding system. The overwhelmingly positive sentiment centers on its exceptional ability to achieve precise singulation for small to medium seeds. Users consistently praise the accurate seed spacing, which significantly reduces later thinning labor, saving valuable time for market gardeners. The roller's durable, high-quality construction ensures longevity under heavy field use. While the initial investment is noted as high, the resulting efficiency gains and professional results justify the cost as a long-term investment. The ease of swapping roller plates also enhances operational flexibility. Overall, the MJ-6 is celebrated for its robust build and its critical role in maximizing seeder effectiveness.
Know before you buy
The MJ-6 seed roller is designed to fit all models within the Jang JP and JPH series of push seeders.
This roller is optimized for small to medium-sized seeds, such as spinach or pelleted parsley, thanks to its 6mm diameter v-groove holes.
The specialized plastic construction helps minimize static electricity, which prevents seeds from sticking to the roller and ensures a more consistent, accurate drop into the soil.
Yes, the MJ-6 provides a seed spacing range of 4 to 10 inches. The exact spacing depends on the specific sprocket configuration used on your Jang seeder.
No, the rollers are designed for quick and easy removal. You can swap them out in moments to accommodate different seed varieties as you move between crop rows.
Still have a question?
Ask Hayley anything about this product before you decide.