Double Knock Out Roses come from the Knock Out Rose Collection. Same performance. Better looking. Slightly more winter hardy
Knock Out roses are extremely easy to grow and require no special care, which is why they are the most widely sold rose in North America. They are highly resistant to disease, with bloom cycles every 5 to 6 weeks that continue till early winter. If pruned, they can grow between 3 to 4 feet tall.
Rose Knock Out:
Keep at 20°F+
Apply Slow Release Fertilizer every 2-3 months
Knock Out Double Red Roses Double Knock Out Roses come from the Knock Out Rose Collection. Same performance. Better looking....