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Johnson grass

Johnson grass

Sorghum halepense

grass☀️ full sun💧 low waterZone 5b – Zone 11b

Johnson grass is a tall, vigorous warm-season grass with deep rhizomes and panicle-type seed heads. It is highly invasive in many regions and typically considered a problematic weed rather than an ornamental plant.

Overview

Form
Upright
Growth Rate
fast
Size
2–3.5′ tall
Dormancy
deciduous

Tolerances & Soil

low

Flood Tolerance

low
Zone 5bZone 11b
1471013
ColderWarmer
Zone range: Zone 5b to Zone 11b

pH Range

57
3.556.589
pH range: 5 to 7

Soil Texture

Coarse, Medium, Fine

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

Herb

Soft non-woody plants of the field layer.

Succession Role

pioneerearly successional

Native Range

Mediterranean and North Africa

Function & Care

biomass/mulcherosion controlwildlife benefit

Establishment & Care

Establishment
easy
Maintenance
high
Propagation
seed, sucker

Companion Planting

Plants well with