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Big Bluestem

Andropogon gerardii

Poaceae · grass sedge · introduced

Last updated

Data Coverage 3 of 6 dimensions
Site Data
Threats
Cultivars
Phenology
GDD Thresholds
Puget Sound

Quick Facts

Height
7 ft
Spread
6 ft
Growth Rate
Moderate
Light
Full Sun
Soil
Wet Tolerant
Water
Moderate
Hardiness
Zone Zones 6b–9b
Bloom Time
Jun 15-Aug 15

Phenological Calendar

Stage Typical Window
Bud break BBCH 07 May 15-Jun 15
Leaf emergence BBCH 11 Jun 1-Jul 1
Bloom start BBCH 61 Jun 15-Aug 15
Bloom end / petal fall BBCH 69 Jul 15-Aug 31
Fruit/seed development BBCH 71 Jun 1-Aug 31
Fruit/seed maturity BBCH 85 Sep 1-Nov 30
Leaf drop BBCH 93 Oct 15-Nov 30
Dormancy BBCH 97 Nov 15-Feb 28

Cultivars (2)

''Blackhawks''
Blackhawks Big Bluestem
''Holy Smoke''
Holy Smoke Big Bluestem