Sorghum Silk Seeds
$7.20
Unit price perSorghum bicolor
Silk Sorghum is a vigorous perennial forage grass suited to warm climates, producing abundant leafy growth and substantial biomass. Fast growing and highly productive, it is useful for grazing, hay production, cover cropping and generating organic matter for soil improvement.
Plants establish strongly in warm conditions and can reach up to 4 metres tall if left uncut. The dense growth provides excellent ground cover, helping protect bare soil and suppress weeds, while the large volume of foliage makes it particularly useful for cutting as mulch or adding biomass to composting and green manure systems.
Silk Sorghum performs best in tropical and subtropical climates, where established plants can persist for multiple seasons. Growth is sensitive to cold, with the tops killed by frost, although established plants may regrow from the base when warm conditions return.
Approximately 25 seeds per gram
Approximately 500 seeds per packet
When to Plant (Australia)
Tropics: Spring to autumn
Subtropics: Spring and summer
Mild climates: Spring to early summer
Cold climates: Spring to early summer after frost
Planting / Sowing
Sow directly into warm, prepared soil approximately 10–20 mm deep. For cover cropping or biomass production, sow more densely to encourage rapid canopy development and weed suppression.
Grow in full sun in fertile, well-drained soil. Water regularly during establishment, although mature plants develop good tolerance to dry conditions. For cover cropping or green manure, cut before mature seed is produced and use the foliage as surface mulch or incorporate it into the soil.
When grown for forage, manage grazing and cutting carefully, particularly following drought, frost or other plant stress, as sorghums can accumulate compounds that may be hazardous to livestock under certain conditions.
Due to quarantine restrictions, Not Available for TAS, Not Available for WA
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