Taking Care of Your Knock Out Roses

By Diane Coleman, NRS Consulting Rosarian

What are Knock Out© Roses?

Arrangement of Knock Out Roses
Knock Out© Rose is a shrub rose bred by American rose grower, William Radler in 1989, and introduced into the United States by Star Roses and Plants in 2000. It was named an All-America Rose Selections winner in 2000 and was one of the bestselling roses of the year. The rose was found to be extremely disease-resistant, drought-tolerant and ever-blooming. The ideal rose for both new and seasoned gardeners.

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My Roses are Hungry!

by Ron Daniels, Nashville Rose Society
Growing Zone 7

Featured in Roses & You, American Rose Society Member Newsletter

 

Like all other flowering plants, roses need food in order to grow and bloom successfully. Roses however are heavy feeders. They have greater nutritional needs than many plants. They only get small quantities from existing soil therefore extra fertilizing is essential if you want your roses to perform at their best. For best results, fertilize at the right time, in the right amounts and with the right formulations, which I refer to as “the three R’s”!

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Fertilizing Your Roses

After the plant is well leafed out – around May 1 – use any balanced fertilizer such as 10-10-10, Fertilome, or Ortho Food at the manufacturer’s recommended rate. Osmocote and Once are timed release fertilizers that are applied one time in the Spring. Mills Mix is an all organic fertilizer that can be used in the Spring and Summer. Continue reading “Fertilizing Your Roses”