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Andropogon gerardii
Andropogon gerardii
Common Name: big bluestem

The king of native grasses, big bluestem has handsome gray to blue-green stems in spring, turning to green alternating with deep red in summer, then to coppery red in fall. Three-fingered seed heads top tall stems in August. Clump forming with excellent drought tolerance once established. Found naturally in moist meadows and along side roads and rivers from Canada to Mexico.

Height: 4-8 Feet
Spread: 4-5 Feet
USDA Hardiness Zone: 4-9

Coreopsis tripteris 'Gold Standard'
Coreopsis tripteris 'Gold Standard'
Common Name: tall tickseed

This accession of C. tripteris was collected by Mt. Cuba Center in the wild and shows better garden performance than the straight species. This plant is approximately 1’ shorter and blooms for an additional six weeks. The flowers were also born on shorter, secondary growth. This characteristic distributed the floral display throughout the entire plant rather than solely at the top.

The cultivar name of 'Gold Standard' was assigned at the completion of the trial due to this selections superior performance compared to the straight species.  Mt. Cuba Center Coreopsis Trial 2015 

Height: 5-6 Feet
Spread: 4-6 Feet
USDA Hardiness Zone: 4-9