NATIONAL DAYANIMALS

National Knock Out® Rose Day

Every year on May 7, the toughest rose in the neighborhood gets its moment in the sun. It shrugs off disease, laughs at neglect, and blooms its cheerful head off from spring straight through fall. On May 7, 2027, gardeners everywhere celebrate the little pink powerhouse that made rose growing easy.

MAY7
Friday, May 7Friday Before Mother's Day
 days to go
Hashtag
#NationalKnockOutRoseDay
Apple or Outlook calendar
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NATIONAL KNOCK OUT ROSE DAY

Every year on May 7, the toughest rose in the neighborhood gets its moment in the sun. It shrugs off disease, laughs at neglect, and blooms its cheerful head off from spring straight through fall. On May 7, 2027, gardeners everywhere celebrate the little pink powerhouse that made rose growing easy.

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Let us be honest: traditional roses can be drama queens. They demand pruning schedules, spray regimens, and the kind of devotion usually reserved for newborns. Then along came the Knock Out rose, and suddenly gorgeous roses were available to people whose gardening style is best described as “enthusiastic but forgetful.” Bred for exceptional disease resistance, drought tolerance, and nonstop blooms from spring to frost, the Knock Out turned rose gardening from a hobby for specialists into a joy for everybody. Plant it, water it when you remember, and watch it put on a show for months. It is the rare plant that actually thrives on a little benign neglect, which makes it the perfect match for busy households, first-time gardeners, and anyone who has ever accidentally loved a houseplant to death. This is the rose for the rest of us, and it wears its crown of petals with pride.

National Knock Out Rose Day was approved by the National Day Calendar Registrar in 2024 on behalf of Star Roses and Plants, the company behind the Knock Out Family of Roses. Beginning in 2025, the day has been celebrated every year on the Friday before Mother’s Day, which lands on May 7 in 2027. The timing is no accident. It is the perfect moment to beautify gardens and outdoor spaces right before Mother’s Day weekend, and a Knock Out rose makes a pretty spectacular gift for Mom too. Garden centers and online retailers join the fun with displays, ready-made social graphics, and point-of-purchase materials celebrating the brand. Independent garden centers and online retailers that sell Knock Out roses are invited to participate each year, and Star Roses and Plants offers free promotional materials, high-resolution images, and copy content through its retailer asset library to help everyone celebrate.

The occasion also carries a milestone worth toasting. The Knock Out Family of Roses celebrated its 25th anniversary in 2025, a huge accomplishment in an industry where plants are introduced and then easily replaced with better, brighter varieties. That the Knock Out has stood the test of time with gardeners everywhere tells you everything about its staying power. From nearly 30,000 annual submissions to National Day Calendar, only about 20 are chosen, and this rose made the cut. When a flower earns its own national day, you know it is not just another pretty face in the petal aisle. It is a genuine garden icon, the kind of plant that shows up in front yards, city planters, and highway medians, quietly making the whole country a little more colorful.

Behind the rose stands a company with deep roots of its own. Star Roses and Plants, the family of brands behind the Knock Out, has spent more than 125 years bringing great plants to the world’s gardens. The company breeds and introduces breakthrough roses, edibles, and woody ornamentals, and its most notable brands include the Knock Out Family of Roses along with Drift Roses, Bushel and Berry, and Bloomables. Star Roses and Plants is a wholly owned subsidiary of Ball Horticultural, one of the biggest names in the plant world. When a company with that kind of pedigree throws its weight behind a national day, you can bet the celebration comes with gorgeous flowers, free promotional goodies, and a whole lot of pink.

THE STORY BEHIND NATIONAL KNOCK OUT ROSE DAY

🌹 The Rose That Changed the Rules
The Knock Out rose was introduced in 2000 by rose breeder William Radler, and it promptly revolutionized ornamental gardening. Radler bred it for the traits gardeners actually wanted: exceptional disease resistance, drought tolerance, and continuous blooms from spring all the way to frost. No fussy spraying calendar, no heartbreak over black spot, just wave after wave of vibrant color. It proved that a rose could be both beautiful and practically bulletproof, and gardeners rewarded it with a place in millions of landscapes. Before the Knock Out, low-maintenance and rose were two words you rarely heard in the same sentence, and Radler changed that forever.

🎉 A Silver Anniversary Worth Celebrating
In 2025, the Knock Out Family of Roses marked 25 years, an eternity in the plant world, where new introductions constantly push older varieties aside. Star Roses and Plants decided the milestone deserved national recognition and submitted the day to National Day Calendar, where it was chosen from nearly 30,000 annual submissions. Susan Bacus Morgan, Marketing Manager for Star Roses and Plants, said the team knew they wanted the rose nationally recognized with its own day, and they were thrilled when it was selected. Twenty-five years of blooms and still going strong, a track record most plants can only dream of.

🏠 America’s Low-Maintenance Sweetheart
Part of the Knock Out’s charm is its versatility. It comes in red, pink, yellow, white, and even coral, so there is a shade for every garden scheme. Its compact size makes it perfect for borders, foundation plantings, container gardens, and public landscapes alike. Beginners love it because it forgives mistakes, and seasoned gardeners love it because it delivers months of vibrant color with minimal care. Whether you have a sprawling backyard or a single sunny pot on a patio, there is a Knock Out with your name on it. It is the rare superstar that is just as happy in a humble cottage garden as in a grand municipal display.

💐 Perfectly Timed for Mom
Celebrating on the Friday before Mother’s Day is a stroke of scheduling genius. It lands right at the start of prime planting season, when garden centers are bursting with color and the soil is warming up. It also lands exactly when everyone is hunting for the perfect Mother’s Day gift, and few gifts say “I love you” like a rose bush that will bloom for her all summer long. Plant one for Mom on Friday, and by Mother’s Day weekend the whole neighborhood will smell the celebration. It is a gift that keeps on giving, season after season, long after the cut flowers have wilted.

WAYS TO CELEBRATE

🌱 Plant a Knock Out Rose
Head to your local garden center and pick up a Knock Out rose in your favorite color, red, pink, white, yellow, or coral. Early May is prime planting time, and you will enjoy blooms all season long. Give it sunshine, a little water, and a spot with good drainage, and it will handle the rest. By midsummer you will wonder why you ever thought roses were hard.

📱 Show Off Your Blooms
Post photos of your Knock Out roses in bloom on social media with #NationalKnockOutRoseDay and #KnockOutRoses to inspire others to plant this beautiful flower. Tag your favorite garden center while you are at it, and prepare for the compliments to roll in.

🍴 Host a Rose-Themed Gathering
Invite friends or neighbors over for a spring garden walk or a rose-themed brunch surrounded by the color and fragrance of your rose beds. It is the perfect excuse to show off the garden and share cuttings. Set out iced tea, put on some music, and let the roses do the entertaining. Snap a group photo among the blooms for a memory that lasts longer than the season.

Celebrate National Knock Out Rose Day

On May 7, 2027, give a round of applause to the rose that made gardening easy for the rest of us. Plant one, photograph one, or gift one to Mom, and enjoy the happiest, least fussy blooms of the season. After all, any flower tough enough to earn its own national day deserves a little celebration, and this one has earned a big one. Here is to 25-plus years of color, courage, and Knock Outs that just keep knocking it out of the park, one glorious bloom at a time.

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Plan ahead

National Knock Out® Rose Day is observed on Friday before Mother's Day. Here is where it lands for the next ten years, handy for planners, marketers and party people.

2026Fri, May 8this year
2027Fri, May 7
2028Fri, May 12
2029Fri, May 11
2030Fri, May 10
2031Fri, May 9
2032Fri, May 7
2033Fri, May 6
2034Fri, May 12
2035Fri, May 11
2036Fri, May 9

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2027 Wall Calendar, signed by Marlo Anderson2027 Wall Calendar, signed by Marlo AndersonSigned by the founder of National Day Calendar.
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