- 2001 Herbaceous Perennial Trial Results
edu/ 2001, University of Minnesota, Minneapolis Park & Recreation Board As herbaceous perennials become increasingly popular with the gardening public, the rush to provide such plant material for the market often perpetuates the misnomer of winter.
- First Year Flowering Perennial Scheduling
Weeks to flower from transplant Height (inches) Platycodon grandiflorus Mariesii seed Platycodon grandiflorus Sentimental Blue seed Polemonium caeruleum sp... Bakers Acres of North Lansing, Inc.
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