Details of...
Scientific Name: Poa annua
Pronunciation: POE-uh AN-you-uh
Common Name: annual bluegrass
Family Name: Poaceae
Plant Type: Annual, Poales (grass-like), Weed (horticultural)
Key ID Features: Leaf tips boat-shaped, blade with puckering and wrinkling; seed head can be seen even when grass is very low growing. Field ID terms: boat tip, seed heads, brighter, apple-green, dull under.
Course(s): Level 2 Apprenticeship

Habit: Upright
Form: Oval - vertical, Round
Texture: Medium - fine
Mature Size:
Height:0.1 - 0.2m
Spread:0.1 - 0.3m
Growth Rate:Moderate
Origin: Canada - central, Canada - eastern, Canada - northern, Europe, U.S. - central, U.S. - northeast, U.S. - northwest, U.S. - southwest
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium:
Landscape Uses:
Additional Info: Google
annual bluegrass
Leaf Morphology: Glossary
Form: Grass-like
Arrangement: Alternate, Basal
Texture/ Venation: Parallel venation, Soft flexible
Surfaces: Glabrous
Colour in Fall: Green
Leaf(let) Terms:
Shapes: Acicular
Apices: Acute
Margins: Entire

Inflorescence Type: Panicle-like, Spikelet
Flower Morphology:Flowers perfect
Number of Petals:0
Ovary Position:Superior
Colour (petals): Not showy, Yellow
Flower Scent: None
Flower Time at Peak: Mar, Apr, May, Jun, Jul, Aug, Sep, Oct

Fruit Type: Grain (caryopsis)
Fruit Colour: Brown
Fruiting Time: Mar, Apr, May, Jun, Aug, Sep, Oct
Additional Info: Not showy, 2-3 mm long, tips pointed; lemma 2.5-3 mm long, 5-nerved, prominant keeled mid-nerve; usually hairy on keel of palea; rachilla prominant

Bark or Stem Colour:

Propagation: Seed
Pest Susceptibility: Anthracnose, ( Pest resistant, Disease resistant )
Specific Pests: Colletotrichum cereale
(WDY) WeeDY location
Location Map

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