Johnson grass

Johnson grass

Sorghum halepense

Common Name:

Johnson grass

Scientific Name:

Sorghum halepense


Alternative common names:

Aleppo grass

Description:

Reed-like perennial up to 3m high with an extensive system of branched rhizomes. The stems are stout and erect. Smooth leaves up to 60cm long. Large, open, reddish-brown inflorescences up to 40cm long from November to April. Wilted foliage and young sprouts are poisonous.

Additional Information


Where does this species come from?

Mediterranean

What is its invasive status in South Africa?

Existing legislation: CARA 2002 - Category 2 NEMBA - Category 2

Where in South Africa is it a problem?

All provinces in South Africa

How does it spread?

Rhizomes

Why is it a problem?

Can form spreading stands which are difficult to eradicate once established because of its long, deeply buried rhizomes. It excludes other less vigorous species and competes with agricultural crops.

What does it look like?

General description: A reed-like grass growing to 3m in height.
Leaves: Smooth leaves up to 60cm long
Inflorescences: Large, open, reddish-brown inflorescences up to 40cm long from November to April

Does the plant have any uses?

Fodder plant

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