The smell of a freshly opened box of Valentine candy hearts is unmistakable—a powdery, faintly floral aroma that immediately transports many back to elementary school classroom exchanges. These small, pastel-colored tablets, officially known as conversation hearts or Sweethearts, have become the quintessential edible greeting card of the modern era. Despite the rise of artisanal chocolates and luxury patisserie, these chalky hearts consistently rank as the second most popular candy for Valentine’s Day in the United States, second only to chocolate itself.

However, the journey of this sugar-based icon is far more complex than its simple pastel exterior suggests. From an 1840s apothecary in Boston to a high-stakes corporate rescue in 2018, the story of conversation hearts is a narrative of industrial innovation, linguistic evolution, and cultural resilience.

The Pharmaceutical Roots of a Confectionery Icon

The story of the world’s most famous Valentine candy did not begin in a kitchen, but in a pharmacy. In 1847, an English immigrant named Oliver R. Chase was looking for a way to streamline the production of medicinal lozenges in his Boston apothecary. At the time, lozenges were the primary delivery system for many medicines, and they had to be hand-rolled and cut—a labor-intensive process that limited supply.

Chase invented a machine that functioned much like a primitive pasta maker. It used a series of rollers to flatten the medicinal paste into a uniform sheet, which was then cut into perfect discs by a rotating die. This machine was the first American candy-making machine of its kind. Realizing that the demand for sugar-based treats far outweighed the demand for medicinal tablets, Chase quickly pivoted his business. He founded the New England Confectionery Company, better known as Necco, and began producing "Necco Wafers."

These wafers were the direct ancestors of today’s conversation hearts. Their dry, hard texture was not a culinary accident; it was a functional necessity. Before the advent of modern refrigeration and air-tight plastic packaging, candies needed to be shelf-stable for months. The low-moisture, high-sugar content of the wafers made them durable enough to be carried by Union soldiers during the American Civil War, serving as both a source of quick energy and a rare luxury on the battlefield.

The Invention of the Printed Word on Candy

While Oliver Chase revolutionized the shape and production speed of candy, it was his brother, Daniel Chase, who gave the candy its "voice." In 1866, Daniel Chase was inspired by the popularity of "cockles," a type of scalloped-edged candy from England that contained a small paper message tucked inside, much like a modern fortune cookie.

Daniel believed that the message shouldn't be hidden on paper but printed directly onto the candy itself. He developed a specialized machine that used a felt roller pad and vegetable dye to stamp short phrases onto the surface of the sugar dough. Because the technology was still in its infancy and the candies (then known as "motto lozenges") were relatively large, the initial messages were surprisingly long.

Unlike the two-word snippets we see today, 19th-century conversation candies featured verbose, often witty romantic advice or wedding-themed jokes. Some early examples included "Married in pink, he will take a drink" or "Married in satin, love will not be lasting." These candies were frequently served at weddings and social mixers, where they functioned as icebreakers for shy Victorian-era suitors.

The Evolution of the Heart Shape

It is a common misconception that conversation candies were always heart-shaped. For the first several decades of their existence, they were produced in various forms, including seashells, baseballs, horseshoes, and even pocket watches. The large surface area of these shapes allowed for the long-winded messages popular at the time.

The transition to the iconic heart shape did not occur until 1901. As the pace of life accelerated at the turn of the century, the preference for shorter, punchier romantic declarations grew. The heart shape provided a symbolic canvas that perfectly matched the "Be Mine" and "Kiss Me" sentiments that were becoming standard. By the early 20th century, Necco consolidated its various motto candies into the "Sweethearts" brand, and the heart shape became the dominant form, forever linking the candy to the Valentine’s Day holiday.

The Science of the "Chalky" Texture

To understand why conversation hearts have such a polarizing texture, one must look at the chemistry of their production. Unlike gummies or chocolates, conversation hearts are "pressed" candies.

The base of the candy is pulverized sugar, which is mixed with small amounts of corn syrup, gelatin, and various flavorings. In our observations of the manufacturing process, we’ve noted that the resulting dough has a consistency closer to play-dough or clay than traditional candy batter. This dough is pressed into massive molds that stamp the shape and the text simultaneously using food-safe red ink.

The most critical step in creating the classic Sweetheart experience is the drying process. Once stamped, the candies are placed on large wooden trays and moved into specialized drying rooms. They are not baked; rather, they are air-dried for anywhere from 48 to 72 hours. This slow dehydration process is what gives them their signature "chalky" or "stiff" snap. It creates a porous structure that allows the candy to dissolve slowly on the tongue, releasing the concentrated fruit oils and sugar.

In recent years, some manufacturers have experimented with "softer" versions or gummy variations to appeal to younger palates. However, for purists, the original firm texture is essential. It is this very hardness that makes the candy durable enough to survive being tossed into a child’s backpack or mailed in an envelope without shattering—a key factor in its enduring popularity as a gift.

The Great Candy Heart Shortage of 2019

For over a century, Necco was the sole steward of the Sweethearts brand, producing nearly 8 billion hearts per year. However, in 2018, the confectionery world was shocked when Necco abruptly declared bankruptcy. The factory in Revere, Massachusetts, was shuttered, and the future of the conversation heart was thrown into jeopardy.

The Spangler Candy Company, best known for producing Dum Dums lollipops, eventually acquired the Sweethearts brand in a bankruptcy auction. However, the acquisition happened so late in the year that Spangler was unable to move the massive, 19th-century equipment and set up a new production line in time for the 2019 Valentine’s season. For the first time in over 100 years, authentic Sweethearts were missing from store shelves.

This absence sparked a wave of nostalgia and panic, often referred to as the "Great Candy Heart Shortage." Prices for vintage boxes soared on secondary markets, and competitors like Brach’s stepped in to fill the void. This moment proved the cultural significance of the candy; it wasn't just about the taste, but the ritual of the exchange.

The 2020 Return and the "Missing Text" Mystery

When Sweethearts finally returned under Spangler’s management in 2020, the rollout was met with both excitement and confusion. Many consumers reported that their boxes contained "blank" hearts or hearts with smeared, illegible text.

Our investigation into this production quirk revealed that moving the ancient Necco machinery from Massachusetts to Spangler’s facility in Ohio was a Herculean task. The printers, some of which were decades old, struggled with the new environmental conditions of the Ohio plant. The ink didn't adhere correctly, and the timing of the stamps was off.

Rather than viewing this as a failure, many fans embraced the "blank" hearts as a metaphor for modern dating or used them to write their own custom messages with edible markers. By 2021, Spangler had resolved the technical issues, but the 2020 "glitch" batch remains a fascinating chapter in the candy’s history, highlighting the fragile intersection of antique machinery and modern mass production.

Linguistic Evolution: From "Fax Me" to "Text Me"

One of the most engaging aspects of Valentine candy hearts is how the messages act as a linguistic time capsule. Necco, and now Spangler, have traditionally updated the "vocabulary" of the hearts every year to reflect current slang and technology.

  • The Victorian Era: Messages were formal and focused on social etiquette, such as "Please Send a Line" or "Will You Be Mine?"
  • The 1990s: The rise of digital communication led to the introduction of "Fax Me" and "Email Me."
  • The 2000s: Phrases like "Text Me," "LOL," and "BFF" became staples.
  • The 2020s: We have seen the inclusion of emojis, American Sign Language symbols for "I Love You," and phrases like "Goal Getter" or "Way To Go" to reflect a broader range of relationships beyond just romantic love.

Interestingly, the most requested phrase remains the classic "Marry Me." Despite the influx of modern slang, the core human desire for commitment and traditional romance continues to drive the brand's creative direction.

Global Variations: The British "Love Hearts"

While Sweethearts dominate the North American market, a similar phenomenon exists in the United Kingdom produced by Swizzels Matlow. Known as "Love Hearts," these candies share the same pharmaceutical origins and chalky texture but have several distinct differences.

Love Hearts are typically sold in rolls rather than boxes. They are circular rather than heart-shaped, with the heart design and message embossed into the candy itself rather than printed with ink. The flavors are also slightly more effervescent, often leaning into the "Sherbet" style of confectionery popular in British culture. Much like their American cousins, Love Hearts have updated their messages over time, adding "Skype Me" and "TikTok" to their repertoire in recent years.

Creative Uses for Conversation Hearts

Beyond simple consumption, these candies have evolved into a versatile craft material. Because they are uniform, colorful, and bear text, they are frequently used in ways that the Chase brothers never imagined:

  1. Educational Tools: Many elementary school teachers use the hearts for "Candy Math," where students sort them by color, create bar graphs of the frequencies, or use the words to construct sentences.
  2. Bakery Decor: The flat, firm surface makes them perfect for topping cupcakes or lining the sides of a Valentine-themed cake. They provide a structural element that soft frosting lacks.
  3. Resin Art: Hobbyists often embed the hearts in clear resin to create permanent jewelry, coasters, or paperweights, preserving the fleeting messages of the holiday forever.
  4. Cocktail Garnishes: A single heart dropped into a glass of champagne or a light-colored cocktail will slowly dissolve, adding a hint of sweetness and a whimsical romantic touch to the drink.

The Future of the Heart

As we look toward the future, the conversation heart faces the challenge of staying relevant in a health-conscious and digitally-saturated world. Manufacturers are increasingly looking at natural dyes (extracts from beets or turmeric) to replace synthetic colors and exploring sugar-free alternatives that maintain the necessary structural integrity.

However, the enduring appeal of Valentine candy hearts isn't about nutrition or high-end flavor profiles. It is about the simplicity of a two-word message. In an age of long-form DMs and complex social media interactions, there is something profoundly refreshing about a tiny, chalky heart that simply says "U R Cute."

Summary

Valentine candy hearts are more than just seasonal sugar; they are a 170-year-old tradition that bridge the gap between Victorian social customs and modern digital slang. Originating from an 1847 pharmaceutical invention by Oliver Chase, they evolved from medicinal lozenges to the "Sweethearts" we recognize today. Despite corporate bankruptcies and production challenges, their unique texture, iconic heart shape, and evolving vocabulary ensure they remain a staple of American pop culture. Whether you love them for their nostalgic flavor or use them as a tool for creative expression, conversation hearts continue to be the voice of Valentine’s Day.

FAQ

What do Valentine candy hearts taste like?

Traditionally, conversation hearts have a variety of fruit flavors associated with their colors. Common flavors include cherry (red/pink), orange (orange), lemon (yellow), green apple or lime (green), blueberry or raspberry (blue), and grape (purple). The taste is sweet with a slightly tart finish, and the texture is often described as "chalky" or "powdery."

Are conversation hearts vegan or gluten-free?

Most traditional conversation hearts, including the Sweethearts brand, use gelatin as a binding agent, which means they are not vegan. However, many brands are gluten-free, as the primary ingredients are sugar and corn syrup. Always check the specific packaging for allergen information, as manufacturing facilities may process wheat or soy.

Why were there no Sweethearts in 2019?

The absence of Sweethearts in 2019 was due to the bankruptcy of their original manufacturer, Necco. The Spangler Candy Company purchased the brand in late 2018 but did not have enough time to move the specialized machinery and restart production before the Valentine’s Day deadline.

How long do candy hearts last?

Due to their low moisture content and high sugar levels, conversation hearts have an exceptionally long shelf life. If kept in a cool, dry place, they can remain edible for one to two years, though the flavor may fade and the texture may become even harder over time.

Who invented the machine that prints words on the candy?

Daniel Chase, the brother of Necco founder Oliver Chase, invented the printing machine in 1866. This invention allowed for the creation of "motto lozenges," which eventually became the conversation hearts we know today.

Can I write my own messages on blank candy hearts?

Yes! If you find blank hearts or want to add a personal touch, you can use "edible ink markers," which are available at most craft or baking supply stores. This has become a popular way to personalize Valentine's gifts.