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Panicum dichotomiflorum (Fall panicgrass)
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1 hour care
per year
per year
1.2m
Max height
Max height
0.5m
Max spread
Max spread
2-5 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Panicum dichotomiflorum
Other names
Fall panicum, Autumn millet, Fall panicgrass, Kneegrass, Spreading panicgrass, Spreading panicum, Spreading witchgrass, Sprouting crabgrass, Zigzag grass
Genus
Panicum Panicum
Species
P. dichotomiflorum - P. dichotomiflorum is an annual grass, often weedy, with long, narrowly lance-shaped, mid- to dark green leaves and upright to arching stems bearing panicles of green to reddish-purple flower spikelets from early summer into autumn.
Panicum dichotomiflorum is: Deciduous
Habit
Clump-forming
Toxicity
Causes nitrate poisoning and photosensitivity in livestock.
Flower
Green, Flushed purple in Summer; Green, Flushed purple in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Pests
Generally pest free
Diseases
Generally disease free
General care
Pruning
Deadhead to prevent unwanted spread. Remove annual at the end of the growing season.
Propagation methods
Seed
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Where to grow
Panicum dichotomiflorum (Fall panicgrass) will reach a height of 1.2m and a spread of 0.5m after 2-5 years.
Suggested uses
Low Maintenance, Meadow, Waterside, Wildlife
Cultivation
Grows best in moist, neutral to acid soil in full sun. Does not tolerate drought.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moisture-retentive
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Panicum dichotomiflorum
Other names
Fall panicum, Autumn millet, Fall panicgrass, Kneegrass, Spreading panicgrass, Spreading panicum, Spreading witchgrass, Sprouting crabgrass, Zigzag grass
Genus
Panicum Panicum
Species
P. dichotomiflorum - P. dichotomiflorum is an annual grass, often weedy, with long, narrowly lance-shaped, mid- to dark green leaves and upright to arching stems bearing panicles of green to reddish-purple flower spikelets from early summer into autumn.
Native to
North America
Foliage
Deciduous
Habit
Clump-forming
Toxicity
Causes nitrate poisoning and photosensitivity in livestock.
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Colour
Flower
Green, Flushed purple in Summer; Green, Flushed purple in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Pests
Generally pest free
Diseases
Generally disease free
General care
Pruning
Deadhead to prevent unwanted spread. Remove annual at the end of the growing season.
Propagation methods
Seed
Monthly care advice
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Where to grow
Panicum dichotomiflorum (Fall panicgrass) will reach a height of 1.2m and a spread of 0.5m after 2-5 years.
Suggested uses
Low Maintenance, Meadow, Waterside, Wildlife
Cultivation
Grows best in moist, neutral to acid soil in full sun. Does not tolerate drought.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moisture-retentive
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 10, Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3, Zone 2
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy, Sandy | Tell us... |
| Soil drainage: | Moisture-retentive | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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