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Tuesday, August 25, 2026

Herb Spotlight: Spilanthes

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Common names: Spilanthes, Toothache Plant, Electric Daisy, Buzz Buttons 
Botanical name: Acmella oleracea 
Family: Asteraceae




Looking for an herb that's a little different? Meet Spilanthes! This unusual plant is as much a conversation starter as it is an herb. With bright yellow-and-red button-like flowers and a distinctive tingling sensation when chewed, Spilanthes is a fascinating addition to the herb garden.

Traditionally known as the Toothache Plant, Spilanthes has a long history of traditional herbal use. Today, gardeners grow it for its unique flowers, interesting sensory experience, and its ability to attract pollinators.


🌱 Why Grow Spilanthes?

It's Definitely Different!

Spilanthes isn’t your ordinary herb. The flowers and leaves contain compounds that create a distinctive tingling, buzzing, and numbing sensation when chewed.

It's an herb that practically begs the question: "What does this plant do?"

🐝 Pollinator Friendly

Those bright button-like flowers are attractive to bees and other beneficial insects, making Spilanthes a fun addition to an herb or pollinator garden.

🌼 Ornamental Appeal

The unusual yellow flowers with their dark red centers add a unique texture and pop of color to containers, raised beds, and mixed plantings.

🌿 Traditional Herbal History

Spilanthes has been used traditionally in various cultures, particularly for oral and digestive herbal preparations. Its traditional nickname, "toothache plant," comes from its characteristic tingling and numbing sensation.

Important: Traditional use is not the same as proven medical treatment. Spilanthes should not be used to replace professional dental or medical care.




🌿 Growing & Care

☀️ Light

  • Prefers full sun

  • Can tolerate partial shade

  • More sun generally means stronger growth and more flowers

💧 Water

  • Keep soil evenly moist while plants are establishing

  • Once established, allow the surface of the soil to dry slightly between waterings

  • Avoid consistently soggy soil

🌱 Soil

  • Prefers rich, well-draining soil

  • Adding compost before planting can encourage vigorous growth

🌿 Growth Habit

  • Bushy, spreading annual

  • Typically reaches around 12–24 inches tall

  • Produces numerous small, button-like flowers throughout the summer




🌡️ Climate & Zones

Spilanthes is a warm-season annual and can be grown as an annual in cooler climates.

🌬️ Growing Spilanthes in Zone 5

Spilanthes loves heat, making it a great summer herb for Colorado gardens.

Tips for Success:

  • Wait until the danger of frost has passed before planting outdoors.

  • Give it a warm, sunny location.

  • Keep plants watered during periods of extreme heat.

  • Containers work especially well because they warm up quickly.

  • Harvest throughout the growing season to encourage fresh growth.

Spilanthes will not survive a Zone 5 winter outdoors, but it's easy to enjoy as a summer annual.


🌿 Harvesting Spilanthes

The young leaves and flowers are the parts traditionally used.




🌼 Flowers

Harvest flowers when they are fully developed but still fresh and vibrant.

🌱 Leaves

Pick young, tender leaves throughout the growing season.

A little goes a long way! The tingling sensation can be surprisingly strong, especially when using fresh flowers.


The Spilanthes Experience

If you've never tried Spilanthes before, start with a very small piece of a fresh flower.

Chewing it can produce:

  1. A slight prickling sensation

  1. A buzzing or tingling feeling

  1. A mild numbing sensation

  1. Increased saliva production

The sensation typically fades relatively quickly.

Fun garden party idea: Let friends experience a tiny piece of Spilanthes and see who can describe the sensation best!

🥗 How to Use Spilanthes

Traditionally, small amounts have been used in:

  • Herbal preparations

  • Salads

  • Infusions

  • Flavoring blends

Because of its strong sensory effect, Spilanthes is generally used in small quantities rather than as a primary culinary herb.

Young leaves can be added sparingly to salads for an unexpected tingling experience.


🌼 Spilanthes & Pollinators

Allow some flowers to remain on the plant rather than harvest everything. The unusual blooms provide a valuable food source for pollinators and beneficial insects.

And those quirky little yellow buttons make a great conversation piece in the garden!


🌸 Final Thoughts

Spilanthes is one of those plants that makes gardening more fun. It's beautiful, unusual, easy to grow, attractive to pollinators, and offers a sensory experience you won't get from most herbs.

Whether you're an adventurous gardener, an herb enthusiast, or simply looking for something new and unusual to add to your garden, Spilanthes is definitely worth trying!

Come visit The Flower Bin and discover this fascinating little herb for yourself. 🌿⚡🌼


 

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