Chasmanthium latifolium Plant Data Family Name: Poaceae Common Name: northern sea oats Other Name(s): Chasmanthium latifolium Hardiness Zones: Zone 8a: (-12 to -9.5 C) Plant Code: chla Flowering Time: Jul, Aug, Sep, Flowering Color: Green, Leaf Form: Simple, Grass-like, Leaf Arrangement: Basal, Leaf Shape: Lanceolate, PlantSomething BC Garden Centre Listings No members have selected this plant.