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Radio Calendula , 1930's Heirloom

$4.25
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Radio Calendula

Step back into the golden age of broadcast with Radio Calendula (Calendula officinalis). First introduced to American gardeners around 1930–1931 by seedsman Henry Dreer of Philadelphia, this classic heirloom was released at a time when radio was sweeping the nation as a thrilling new home entertainment technology. The variety was named "Radio" to evoke that vibrant era, with gardeners noting that the unique, quilled blooms resembled the glowing indicator dials and "radio eyes" of vintage tabletop radio sets. Nearly a century later, it remains one of the most distinctive and eye-catching pot marigolds you can grow.

100 Seeds Per Packet

📻 A 1930s Broadcast Classic

Unlike standard flat-petaled pot marigolds, Radio features tightly rolled, fluted petals that radiate outward like signal waves from a central hub.

  • Quilled "Radio Dial" Form: The fully double blooms display quilled, cactus-style florets curving inward. This spiky, intricate texture gives every flower an energetic, three-dimensional look that stands out in borders and bouquets alike.
  • Radiant Amber-Orange: The petals show off a rich, deep glowing orange with warm amber undertones, resisting fading even during mid-summer heat spells.
  • Apothecary & Kitchen Versatility: The edible petals offer a mild, slightly peppery flavor—perfect for tossing across summer salads or steeping as a natural saffron substitute in broths and rice. Dried, they are a traditional foundation for soothing homemade skin salves, oils, and teas.
  • Beneficial Garden Ally: A magnet for honeybees, native pollinators, and beneficial predatory insects like ladybugs and syrphid flies, making it an exceptional companion in vegetable plots.
🌿 Garden Performance & Technical Specifications
FeatureTechnical Specification
Plant TypeHardy Annual
Botanical NameCalendula officinalis
Introductionc. 1931 by Henry Dreer (Philadelphia)
Height18–24 inches
Bloom Time50–60 Days / Late spring through heavy frost
Sun RequirementFull Sun to Partial Shade
CultivationNaturally Grown
UsageFresh cut flowers, edible petals, herbal remedies, pollinator gardens
✨ Why We Love It

"Radio Calendula proves that heirloom plants carry stories just as captivating as their blooms. Imagining home gardeners in the 1930s tending these bright orange flowers while listening to evening broadcasts makes every blossom feel like living history. Beyond the story, those rolled, dial-like petals bring an unmistakable spiky texture to floral arrangements that modern varieties simply don't match."

👨🌾 Cultivation Tips
  • Sowing: Direct sow outdoors in early spring once soil can be worked, or start indoors 4–6 weeks before your final spring frost date. Seeds sprout quickly in cool ground.
  • Growing Conditions: Thrives in average, well-draining garden soil in full sun. In areas with blazing summer heat, light afternoon shade helps prolong flowering.
  • Deadheading & Harvest: Pick blooms frequently for fresh vases or herbal drying. Regular deadheading prompts the plant to produce continuous flushes of radiant flowers right up until a hard autumn freeze.

Radio Calendula , 1930's Heirloom Reviews