Double Red Knock Out® Rose Bush

Add Long-Lasting, Disease-Resistant Color to Your Garden with the Double Red Knock Out® Rose Bush

Double Red Knock Out® Rose Bush Delivers Months of Vibrant, Low-Maintenance Blooms from Spring to Frost

The Double Red Knock Out® Rose Bush is a compact, fast-growing shrub that produces fully double, cherry red to hot pink blooms from spring until frost. With superior disease resistance and easy care, it’s perfect for adding nonstop color to beds, borders, or containers.

The red double knockout rose bush has set a new standard in disease resistance when it comes to a beautifully bright and low-maintenance bloom. It is of the same rose family as the original rose of the knock-out family from Star Roses and plants.

This rose plant produces rich, cherry red to hot pink blossoms that will continue to grow until the first hard frost of winter. They are fully double flowers on the shrub rose bush. The bloom cycle starts in early spring and The double red roses will bloom from spring until mid-summer before the weather gets too hot. The bloom period will decrease slightly as fall and winter happen although it is relatively heat tolerant.

The red roses contrast nicely with the dark green foliage of the flowering shrub. If grown as a flowering tree, the red blooms will cascade over the green leaves year after year. This classic rose is slightly more winter-hardy than other roses but may need extra mulching for winter protection in colder areas.

The rose bush features incredible resistance to black spots and powdery mildew leaf diseases and is an excellent choice as a low hedge or accent plant in mixed beds. They can even be container grown as an indoor patio plant for the ultimate flower power.

Planting Tips when Buying Double Red Knockout Roses

Double Knock Out rose bushes prefers well-drained soil that is kept moist during the growing season. Be sure to examine the surrounding soil to make sure it’s suitable for your new rose bushes. A  Slow-Release Fertilizer applied at the top of the root ball will help tremendously with new blooms. Perfect Plants offer its very own specially formulated Rose Planting Mix to amend the soil you are planting your new rose bush in.

Water thoroughly during the first year of planting to establish strong roots. Newly planted roses require 1-2 inches of water per week.

Grow the Red Knock Out rose tree in full sun to partial sun or part shade across the United States in USDA growing zones 5-10.

When To Plant Double Red Knockout Roses

The best time of the year to plant red Double KnockOut roses is in early spring after the last frost of winter or fall, so it has a whole growing season to establish its root system.

How Tall Do Double Red Knockout Roses Get?

Double Red Knock Out rose bushes can grow between 3 to 4 feet tall and 3 feet wide making them a good shrub for smaller gardens and spaces. They are extremely fast-growing and do well when planted in full sun with 3 to 4 hours of sun every day. 

Double Red knockout roses are easy to care for and provide beautiful rose flowers and blooms during the spring and summer blooming seasons that can grace any landscape. 

Why Perfect Plants?

At Perfect Plants, we’ve been growing strong, healthy plants since 1980 on our family-run farm in sunny Florida. Our roses soak up plenty of natural sunlight, are cared for by expert growers, and are shipped directly to your door from our greenhouse—never sitting on store shelves. That’s the Direct Grower difference.

Shop the Red Double KnockOut Roses for sale today and add these beautiful red and hot pink roses to your home and garden!

Shop our entire collection of Rose bushes for sale.