Centaurea cyanus

Are Bachelor Buttons Perennials?

In the tapestry of blooming garden favorites, few flowers capture the essence of rustic charm and timeless beauty quite like Bachelor Buttons, scientifically known as Centaurea cyanus. These enchanting blossoms, often called cornflowers due to their vibrant blue petals reminiscent of the vivid hues of harvested cornfields, have long held a special place in the hearts of garden enthusiasts. But as gardeners nurture their floral companions, a question often arises: Are Bachelor Buttons perennials, gracing our gardens year after year, or do they follow a different botanical path? To uncover the truth behind this intriguing inquiry, we embark on a journey into the world of Bachelor Buttons.

Outsidepride 1 lb. Blue Cornflower Bachelor’s Button Wildflower Seeds for Planting
  • Cornflower is also known as Bachelor’s Button. It makes a welcome addition to any wild flower seed garden due to its sky blue color. Cornflower has many other uses including: having sturdy, long stems for cut flowers, making attractive medium to tall backdrops for the perennial or wildflower garden, being extremely easy to grow from wildflower seed, and having some benefit in the medicinal garden.
  • Blue cornflower grow as a 24 inch tall annual across the country in USDA zones 3 – 10.
  • Cornflowers are another member of the huge Aster family, and originate in Europe, where they are sometimes a nuisance in corn and grain fields, thus the name Cornflower.
  • They have naturalized throughout much of the United States, and are a mainstay in wild flower seed mixes. They make long-lasting cut flowers which gives Cornflower its AKA name “Bachelor’s Button” due to its lasting qualities when pinned into the lapel of a tuxedo or suit.
  • Sowing Rate: 4 ounces per 1,000 square feet or 10 pounds per acre

Defining Bachelor Buttons

To begin our exploration, we must first acquaint ourselves with the essence of Bachelor Buttons. These exquisite flowers are characterized by their striking appearance, featuring petals that range from the deepest royal blue to delicate shades of pink and white. The unique dark centers, which resemble a dark button, lend these blooms their common name.

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Beyond their aesthetic appeal, Bachelor Buttons have woven themselves into the fabric of human history and culture. They carry symbolic significance, often associated with sentiments of love and remembrance. These enduring blooms have been cherished for generations, adorning gardens, bouquets, and even serving as a source of natural dyes.

As we delve into the question of Bachelor Buttons’ perennial nature, we’ll explore their botanical identity and growth patterns, ultimately revealing whether they are destined to return to our gardens season after season or if their story unfolds differently in the world of flora.

The Perennial vs. Annual Debate

Before we delve into the life cycle of Bachelor Buttons, it’s essential to grasp the botanical terms that often fuel the perennial vs. annual debate in gardening. In the realm of plant life cycles, two key terms come to the fore: “perennial” and “annual”.

  • Perennial: Perennial plants are those that have the potential to live for multiple growing seasons, often several years or more. These plants typically regrow from the same rootstock each year, and they can bloom and produce seeds over an extended period.
  • Annual: In contrast, annual plants complete their entire life cycle within a single growing season. They germinate from seeds, grow, flower, produce seeds, and then die off, all in a span of one year or less. Annuals are known for their brief but vibrant displays of color.

Investigating Bachelor Buttons’ Life Cycle

To uncover the perennial or annual nature of Bachelor Buttons, we must scrutinize their life cycle. Typically, Bachelor Buttons follow a life cycle that aligns with the characteristics of annual plants.

  • Germination: Bachelor Buttons begin their journey as seeds, sown in the soil in the spring or early summer.
  • Growth and Flowering: As the seeds sprout, they develop into leafy plants adorned with the iconic button-like flowers. Bachelor Buttons are renowned for their vivid blooms, which can vary in color from azure blue to soft pink and pristine white.
  • Seed Production: Following their magnificent display of flowers, Bachelor Buttons produce seeds within their seed heads. These seeds carry the genetic blueprint for the next generation of plants.
  • Naturalization: One unique aspect of Bachelor Buttons is their propensity to self-sow. As the seeds mature and disperse, they often fall back into the same garden beds, giving rise to new plants in subsequent growing seasons.
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Are Bachelor Buttons Perennials?

The verdict on whether Bachelor Buttons are perennials or annuals hinges on their typical life cycle. Botanically speaking, Bachelor Buttons are classified as annuals due to their propensity to complete their life cycle within a single growing season. However, their ability to self-sow, leading to the naturalization of new plants, blurs the lines between annual and perennial behavior.

In practice, many gardeners find that Bachelor Buttons can exhibit “perennial-like” characteristics, returning year after year without the need for replanting. This remarkable ability to self-sow allows these blooms to grace our gardens with their captivating presence, even though they are technically annuals. In the world of gardening, the distinction between annuals and perennials sometimes blurs, and Bachelor Buttons exemplify this intriguing overlap.

As we continue our exploration, we’ll delve deeper into the implications of Bachelor Buttons’ growth habits for gardeners and uncover how these beloved flowers weave their floral magic across seasons.

Globe Amaranth Gomphrena Globosa Mix Pompon Ball Bachelor Button 35+ Seeds for Planting Non-GMO
  • One of the easiest plants to grow in summer that blooms from July to October; Grows about 18-24 inches
  • A hardy, drought-resistant plant with unusual small round flowers in different colors; white, pink, red and cream
  • Tender annual that is attractive to butterflies and other important garden pollinators; Ideal for growing on terraces or balconies or in the garden
  • Keep seeds in dark and cool place; All seed counts are approximate due to the small size of the seeds
  • Should you have any questions or issues with your order please send us a message; We would be happy to help

The Reseeding Habit of Bachelor Buttons

One of the most captivating aspects of Bachelor Buttons is their remarkable reseeding habit. While they are botanically classified as annuals, they often behave like short-lived perennials due to their ability to self-sow. As the flowers mature and produce seeds within their distinctive button-like seed heads, these seeds naturally disperse in the garden.

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The self-sown seeds have a propensity to find their way back into the same garden beds where the parent plants once thrived. This charming reseeding behavior can create the delightful illusion of perennials, as new Bachelor Button plants emerge, often without human intervention. Gardeners may find themselves greeted by familiar blooms season after season, as if the flowers have a timeless presence in their gardens.

Implications for Gardeners

The unique growth habits of Bachelor Buttons carry important implications for gardeners. These blooms offer a low-maintenance and delightful addition to garden landscapes. Gardeners can enjoy the spontaneous reappearance of Bachelor Buttons year after year without the need for replanting.

For those who appreciate the simplicity of gardening and the joy of surprise, allowing Bachelor Buttons to self-sow can be a rewarding experience. However, it’s essential to provide them with favorable conditions for reseeding, including leaving some spent flowers to mature into seeds.

Gardeners may also choose to collect seeds from their Bachelor Buttons for intentional planting, allowing them to design their garden with precision. This flexibility makes Bachelor Buttons a beloved choice for both novice and experienced gardeners alike.


In our quest to unravel the botanical mystery of whether Bachelor Buttons are perennials, we have discovered the unique interplay between their botanical classification as annuals and their perennial-like behavior in the garden.

While, from a strict botanical standpoint, Bachelor Buttons are annuals, their exceptional ability to self-sow and naturalize new plants often grants them a “perennial-like” status in gardens. This captivating combination of attributes endears these blooms to gardeners, who appreciate their low-maintenance, self-renewing presence.

In conclusion, Bachelor Buttons, with their enchanting reseeding habit, remind us that the distinction between annuals and perennials in the world of gardening can sometimes blur. These charming flowers continue to grace our gardens season after season, offering their vibrant hues and enduring beauty to delight gardeners and admirers alike.

About the author

Victoria Nelson

Victoria Nelson is a passionate gardener with over a decade of experience in horticulture and sustainable gardening practices. With a degree in Horticulture, she has a deep understanding of plants, garden design, and eco-friendly gardening techniques. Victoria aims to inspire and educate gardeners of all skill levels through her engaging articles, offering practical advice drawn from her own experiences. She believes in creating beautiful, biodiverse gardens that support local wildlife. When not writing or gardening, Victoria enjoys exploring new gardens and connecting with the gardening community. Her enthusiasm for gardening is infectious, making her a cherished source of knowledge and inspiration.

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