This prediction is based on DPIRD’s Blackspot Manager model using weather data from 1st January 2020 to 22nd June 2020 from the nearest weather station.
Sowing time can depend on a range of factors and it is recommended to consult an agronomist to determine the optimal sowing window for your situation.
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Key to blackspot severity scores
| Blackspot risk | 5 out of 10 years | 3 out of 10 years | 1 out of 10 years |
|---|---|---|---|
| Low | 2 | 5 | 15 |
| Medium | 20 | 25 | 35 |
| High | 25 | 30 | 50 |
Bencubbin
Rainfall to date: 140.4 mm. Days with significant stubble moisture: 68
| 22 June | 29 June | 6 July |
|---|---|---|
| 87% spore released - blackspot risk low | 92% spore released - blackspot risk low | 97% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Boyup Brook
Rainfall to date: 219.7 mm. Days with significant stubble moisture: 63
| 22 June | 29 June | 6 July |
|---|---|---|
| 80% spore released - blackspot risk low | 87% spore released - blackspot risk low | 94% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Cunderdin
Rainfall to date: 149.4 mm. Days with significant stubble moisture: 45
| 22 June | 29 June | 6 July |
|---|---|---|
| 43% spore released - blackspot risk medium | 55% spore released - blackspot risk medium | 70% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Dalwallinu
Rainfall to date: 151.6 mm. Days with significant stubble moisture: 53
| 22 June | 29 June | 6 July |
|---|---|---|
| 62% spore released - blackspot risk low | 72% spore released - blackspot risk low | 83% spore released - blackspot risk low |
| Too late to sow – after 20th June | Too late to sow | Too late to sow |
Dowerin
Rainfall to date: 185.2 mm. Days with significant stubble moisture: 51
| 22 June | 29 June | 6 July |
|---|---|---|
| 57% spore released - blackspot risk medium | 68% spore released - blackspot risk low | 80% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Gairdner
Rainfall to date: 102.9 mm. Days with significant stubble moisture: 69
| 22 June | 29 June | 6 July |
|---|---|---|
| 88% spore released - blackspot risk low | 93% spore released - blackspot risk low | 97% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Grass Patch
Rainfall to date: 117.8 mm. Days with significant stubble moisture: 76
| 22 June | 29 June | 6 July |
|---|---|---|
| 94% spore released - blackspot risk low | 97% spore released - blackspot risk low | 99% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Hillman
Rainfall to date: 158 mm. Days with significant stubble moisture: 61
| 22 June | 29 June | 6 July |
|---|---|---|
| 77% spore released - blackspot risk low | 85% spore released - blackspot risk low | 92% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Jacup
Rainfall to date: 158.7 mm. Days with significant stubble moisture: 75
| 22 June | 29 June | 6 July |
|---|---|---|
| 94% spore released - blackspot risk low | 97% spore released - blackspot risk low | 99% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Katanning
Rainfall to date: 155.4 mm. Days with significant stubble moisture: 56
| 22 June | 29 June | 6 July |
|---|---|---|
| 68% spore released - blackspot risk low | 77% spore released - blackspot risk low | 87% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Kojonup
Rainfall to date: 155 mm. Days with significant stubble moisture: 64
| 22 June | 29 June | 6 July |
|---|---|---|
| 82% spore released - blackspot risk low | 88% spore released - blackspot risk low | 94% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Kondinin
Rainfall to date: 127.8 mm. Days with significant stubble moisture: 71
| 22 June | 29 June | 6 July |
|---|---|---|
| 90% spore released - blackspot risk low | 94% spore released - blackspot risk low | 98% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Kulin
Rainfall to date: 147 mm. Days with significant stubble moisture: 72
| 22 June | 29 June | 6 July |
|---|---|---|
| 91% spore released - blackspot risk low | 95% spore released - blackspot risk low | 98% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Lake King
Rainfall to date: 130 mm. Days with significant stubble moisture: 71
| 22 June | 29 June | 6 July |
|---|---|---|
| 90% spore released - blackspot risk low | 94% spore released - blackspot risk low | 98% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Merredin
Rainfall to date: 151.1 mm. Days with significant stubble moisture: 57
| 22 June | 29 June | 6 July |
|---|---|---|
| 70% spore released - blackspot risk low | 79% spore released - blackspot risk low | 88% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Mingenew
Rainfall to date: 156.3 mm. Days with significant stubble moisture: 46
| 22 June | 29 June | 6 July |
|---|---|---|
| 46% spore released - blackspot risk medium | 57% spore released - blackspot risk medium | 72% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Moora North West
Rainfall to date: 137.5 mm. Days with significant stubble moisture: 57
| 22 June | 29 June | 6 July |
|---|---|---|
| 70% spore released - blackspot risk low | 79% spore released - blackspot risk low | 88% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Mount Howick
Rainfall to date: 141.2 mm. Days with significant stubble moisture: 73
| 22 June | 29 June | 6 July |
|---|---|---|
| 92% spore released - blackspot risk low | 96% spore released - blackspot risk low | 98% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Mt Barker
Rainfall to date: 192.6 mm. Days with significant stubble moisture: 109
| 22 June | 29 June | 6 July |
|---|---|---|
| 100% spore released - blackspot risk low | 100% spore released - blackspot risk low | 100% spore released - blackspot risk low |
| Sow – do not sow dry | Sow – do not sow dry | Sow – do not sow dry |
Mullewa
Rainfall to date: 131.8 mm. Days with significant stubble moisture: 52
| 22 June | 29 June | 6 July |
| 59% spore released - blackspot risk medium | 70% spore released - blackspot risk low | 82% spore released - blackspot risk low |
| Too late to sow – after 20th June | Too late to sow | Too late to sow |
Narrogin
Rainfall to date: 154.7 mm. Days with significant stubble moisture: 64
| 22 June | 29 June | 6 July |
|---|---|---|
| 82% spore released - blackspot risk low | 88% spore released - blackspot risk low | 94% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Newdegate
Rainfall to date: 119.4 mm. Days with significant stubble moisture: 65
| 22 June | 29 June | 6 July |
|---|---|---|
| 83% spore released - blackspot risk low | 89% spore released - blackspot risk low | 95% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Northam
Rainfall to date: 117.3 mm. Days with significant stubble moisture: 58
| 22 June | 29 June | 6 July |
|---|---|---|
| 72% spore released - blackspot risk low | 80% spore released - blackspot risk low | 89% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Pingrup
Rainfall to date: 108.3 mm. Days with significant stubble moisture: 69
| 22 June | 29 June | 6 July |
|---|---|---|
| 88% spore released - blackspot risk low | 93% spore released - blackspot risk low | 97% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Salmon Gums
Rainfall to date: 137.4 mm. Days with significant stubble moisture: 81
| 22 June | 29 June | 6 July |
|---|---|---|
| 97% spore released - blackspot risk low | 99% spore released - blackspot risk low | 100% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Scaddan
Rainfall to date: 137.8 mm. Days with significant stubble moisture: 81
| 22 June | 29 June | 6 July |
|---|---|---|
| 97% spore released - blackspot risk low
| 99% spore released - blackspot risk low
| 100% spore released - blackspot risk low
|
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Tammin
Rainfall to date: 134.5 mm. Days with significant stubble moisture: 50
| 22 June | 29 June | 6 July |
|---|---|---|
| 55% spore released - blackspot risk medium | 66% spore released - blackspot risk low | 79% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
Toodyay
Rainfall to date: 127.5 mm. Days with significant stubble moisture: 62
| 22 June | 29 June | 6 July |
|---|---|---|
| 79% spore released - blackspot risk low | 86% spore released - blackspot risk low | 93% spore released - blackspot risk low |
| Sow – do not sow dry | Sow - getting too late to sow | Getting too late to sow |
