Andropogon gerardii
big blue stem
Flower Colors
Description
Densely tufted perennial grass, producing upright clumps of linear, blue-green leaves to 30cm long, purple-tinted in autumn. Strong, upright stems 2m tall bearing racemes about 10cm long of purple-red spikelets appear during autumn
Mature Height
2.5m
Mature Spread
2.5m
Plant Characteristics
Foliage
Deciduous
Growth Habit
Clumping
Growth Speed
Fast · 0.7 m/yr
Soil Texture
ChalkSandLoam
Soil pH
AcidAlkalineNeutral
Soil Moisture
Well-drained
Hardiness (RHS)
H8
Hardiness (USDA)
Zones 3-7
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Drought resistantGenerally pest-freeCoastalCottage and informal gardenGravel gardenPrairie plantingFlower borders and beds