JP-JPH Series Seed Rollers
$20.58 – $58.22 AUD excl gst
Please contact us to order any not listed here
The number of holes in the roller determining seed drop intervals down the row
The exact spacing is achieved by sprocket selection under the seeder’s side cover
- 2 holes used for plant spacing of 25-60cm
- 4 holes used for plant spacing of 15-35cm
- 6 holes used for plant spacing of 10-25cm
- 12 holes used for plant spacing of 5-13cm
- 24 holes used for plant spacing of 2.5-6.5cm
The roller letters refer to the size of the holes
YYX – 2mm W x 1.8mm D
YX – 2.5mm W x 1.5mm D
YYJ – 3mm W x 1.7mm D
YJ – 3mm W
Y – 3.5mm W x 1.5mm D
YY –
X – 4mm W x 2mm D
XYY cross – 2mm W x 1.2mm D (small sized cross)
XY cross – 2.5 mm W x 1.2mm D (medium, sized cross)
XXY cross – 6mm W x 1.5mm D (large sized cross)
U –
M – 5mm W x 2mm D
F – 5mm W x 2.5mm D
MM – 6mm W x 2.5mm D
XL – 6mm W x 4.5mm D (oval shape over round slot)
MJ – 6mm W x 3.5mm D
L – 7mm W x 2.5mm D
LJ – 7.5mm W x 3.7mm D
LV – 8mm W x 5mm D (V shape round slot)
Q – 8mm W x 3mm D
S – 16mm W (large wave – fertlizer)
R – 9mm W x 3.5mm D
G – 9mm W x 4.5mm D
B – 10mm W x 7.5mm D
BL – 10mm W x 7.5mm D (oval shape over round slot – fertiliser)
C – 11mm W x 5.5mm D
CJ – 11mm W x 6.5mm D
AA – 12mm W x 6mm D
J – 12mm x 12.4mm depth; a D shaped hole for cucumbers and parsnip
A – 13mm W x 6mm D
N- 16mm W x 7mm D (medium wave)
Z- Blank – no holes DIY
Please contact us to order any not listed here
- Jang seed rollers fit all Jang JP and JPH series seeders
- Specialised anti-static carbon nano tech fabrication
Jang Seeders | Roller Selection Guide
Jang Seeders | Seeders Roller Sizes & Application Comparison Chart
Some of the common roller varieties listed below in order of size, largest to smallest;
12-hole roller
- L-12 spinach at 50 mm-125 mm apart, okra,
- LV-12 (deeper hole) beet, chard
- MJ-12 coriander, coated onion, sorghum
- YY-12 brassica, daikon
24-hole roller
- F-24; intensive planted baby leaf kale, mizuna etc
- XYY-24 (cross shape); raw lettuce and carrot
- XY-24 (cross shape); pelleted lettuce and carrot
- X-24; leeks, mesclun, onion, radish, and scallion at 13 mm – 63 mm apart
- Y-24; brassicas, kale, mizuna, salad turnips
6-hole roller
- Y-4; or Y-6 broccoli, cabbage, cauliflower
- J-6; D shape cucumber, parsnip
- N-6 slotted wave shape; small bean
- A-6; small beans, corn at 100 mm-250 mm apart
Not applicable
Sunflower>13.5mm |
Cucumber>10.5mm |
Pea>10.5mm |
Bean>10.5mm |
Cover Crop Mix>13.5mm |
Corn>10.5mm |
Melon>9.5mm |
Pea>10.5mm |
Pumpkin |
Salsify |
Squash |
Zucchini |
Watermelon |
Tetragonia |
Calendula |
Celosia |
Cosmos>10.5mm |
Marigold |
Nasturtium>13.5mm |
Orlaya |
Scabosia>13mm |
Verbena |
Yarrow |
Zinnia |