1. ‘Big Blue’ Sea Holly
Name: Eryngium × zabelii ‘Big Blue’
Usda Hardiness Zones: 4 to 9
Size: 18 to 24 inches tall and wide
Conditions: Full sun; various soil conditions from sandy to clay
‘Big Blue’ has great color and texture with distinctive violet-blue bracts, flowers, and upper stems. It makes a bold statement when massed and will hold its own as a small specimen. This spiky perennial is a wonderful cut flower, either fresh or dried. It will tolerate a wide range of growing conditions including poor and dry soil, but it has a taproot and, therefore, does not like to be transplanted once established.
2. Pinnate Prairie Coneflower
Name: Ratibida pinnata
Zones: 3 to 8
Size: 3 to 5 feet tall and 1 to 2 feet wide
Conditions: Full sun to partial shade; loam, clay loam, or sandy soil
From May through September, this member of the aster family is lush with yellow blooms. It is…
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