PER KG FORAGE SORGHUM SILK SEED

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PER KG FORAGE SORGHUM SILK SEED at a glance

Silk Forage Sorghum prefers growing in warm areas on fertile soils.

It is especially suited to the fertile, heavy clay soils in sub-tropical, summer rainfall areas of Queensland and northern New South Wales.

Silk Forage Sorghum (Sorghum hybrid cv. Silk) is a vigorous, upright, tussocky perennial grass growing to 3.5mt high.

It is a successful forage plant but can also invade both dry land and irrigated cropping areas.

It has the potential to poison stock, become a road safety hazard and to harbour disease and insect pests.

It looks very similar to Columbus Grass (Sorghum × almum) and its seeds and flower clusters are indistinguishable from both Columbus Grass and Johnson Grass (S. halepense).

Control measures include repeated cultivation, mowing and heavy grazing combined with slashing, burning and then spraying the regrowth with herbicide.

The flower head is pale greenish to dark red-brown, open, branching and pyramid-shaped to 30 cm long.

The flower clusters are arranged in pairs along, or in triplets at the ends of, branchlets.

One of each pair or triplet is stalkless and fertile and the others are stalked and sterile.

The fertile cluster is 5–7 mm long, often with a bristle, which is usually lost by the time the pollen is released.

The roots are fibrous and freely branching out to 1mt.

Sow forage sorghum between October and January when soil temperature is consistently above 18°C (ideally 20–25°C) into good moisture. Sow at 8–12 kg/ha drilled in rows 50–75 cm apart, or 10–15 kg/ha broadcast, at a depth of 20–40 mm — sowing too deep will cause emergence failure. Allow 6–8 weeks before first grazing, waiting until plants reach 60–80 cm tall to avoid dangerous prussic acid (HCN) toxicity in young growth. Tips: Never graze young sorghum under 60 cm tall, frosted regrowth, or drought-stressed plants due to high prussic acid levels that can kill stock rapidly. After frost, wait 5–7 days minimum before grazing. Avoid grazing lush, wet sorghum to reduce bloat risk; ensure stock have access to other roughage. Forage sorghum delivers multiple grazings through summer and autumn until the first frost ends the season. Disclaimer: The information provided above is sourced from reputable industry references including Barenbrug Australia, FutureBeef, DAF Queensland and other recognised agricultural authorities. It is intended as a general guide only. Pasture and crop performance varies significantly depending on your specific soil type, rainfall, management practices and local conditions. Tom Grady Rural Merchandise recommends consulting with a local agronomist or agricultural advisor before making final variety selection or management decisions for your property. Contact our team on (07) 5482 1692 — we're happy to help.

Common Questions

Where does Silk Forage Sorghum grow best?

Silk Forage Sorghum prefers warm areas on fertile soils. It's especially suited to the fertile, heavy clay soils found in sub-tropical, summer rainfall areas of Queensland and northern New South Wales.

What kind of plant is Silk Forage Sorghum?

Silk Forage Sorghum (Sorghum hybrid cv. Silk) is a vigorous, upright, tussocky perennial grass. It's a successful forage plant with fibrous roots that branch freely.

Is there anything I need to know before using this seed?

Yes. Silk Forage Sorghum has the potential to poison stock, become a road safety hazard, and harbour disease and insect pests. It can also invade both dry land and irrigated cropping areas. It looks very similar to Columbus Grass and Johnson Grass, and their seeds are indistinguishable from one another. If you need help with control or management, contact TGRM on (07) 5482 1692.

Do you ship this product Australia-wide?

Yes, this product ships Australia-wide via Australia Post or road courier. Select your preferred shipping method at checkout.

Can I Click & Collect from Gympie?

Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.

SKU: 181287
Categories: Seed