Knock Out test bed with 'Double Knock Out', 'Coral Knock Out', and 'Sunny Knock Out' over a 16 month period in an un-amended sandstone and hard clay soil in USDA Zone 6b.
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Knock Out test bed with 'Double Knock Out', 'Coral Knock Out', and 'Sunny Knock Out' over a 16 month period in an un-amended sandstone and hard clay soil in USDA Zone 6b.