Common grass weed germination temperatures:
- Winter grass (Poa annua) 21°C
- Crabgrass (Digiteria) 12-15°C
- Crowsfoot grass (Eleusine) 16-18°C
Soil temperature is important in the battle against grass weed. Jyri Kaapro Research Manager for Bayer CropScience, Australia. Based in NSW, he specialises in turf management, particularly, the control of the weeds, insects and diseases that have a negative impact on turf quality.