Milly Rock Rose Yarrow (Achillea millefolium 'Florachro1' MILLY ROCK ROSE)
ah-KILL-lee-ah mil-lih-FOE-lee-um 'Florachro1' MILLY ROCK ROSE

Deciduous Perennial Compact mounded in the Asteraceae Family
A stunning yarrow variety that boasts clusters of rosy pink flowers atop sturdy stems. Perfect for adding a pop of color to your garden, this resilient perennial attracts pollinators and thrives in sunny spots!

Achillea millefolium 'Florachro1', sold under the trademark Milly Rock Rose, is a compact, patented yarrow selected in 2012 by breeder Tobias M. Braeunig at Florensis B.V. in Quedlinburg, Germany (US Plant Patent 31,620). It was bred from a proprietary A. millefolium seed parent, and shares its sibling Milly Rock Red's tight, well-branched, mounding habit and finely dissected, gray-green foliage. Flat clusters of small dark rose flowers open continuously from late spring through summer, gradually fading toward a paler pink as they age. It is part of a wider patented Milly Rock series that also includes Red, Yellow, and Yellow Terracotta color forms.

Pros

  • Compact, tidy, mounding habit that holds together well without flopping or staking
  • Long, continuous bloom from late spring through summer, with flowers that fade to a softer pink as they age
  • Drought-tolerant once established and easy in average, well-drained soil
  • Attracts bees and butterflies; generally deer and rabbit resistant

Cons

  • Patent-protected (PP31,620) — commercial propagation is restricted
  • Susceptible to aphids, especially on buds, and to powdery mildew in humid or crowded conditions
  • Can develop floppy growth in too much shade or overly rich, moist soil
Highlights Patented (US PP31,620) selection bred by Florensis B.V., part of the Milly Rock series alongside Red, Yellow, and Yellow Terracotta color forms. Prized for its compact, non-flopping habit and season-long rose-to-pale-pink color shift.
 

Plant Data

Mature Size 10 - 12 inches tall. 10 - 12 inches wide.
Growth Rate Fast
Sun Exposure Full Sun - Full Sun
Moisture Tolerance Dry - Medium: Medium water needs; drought-tolerant once established, tolerating moist-but-well-drained to average-to-dry conditions.
Zones 4a - 9b (Usually hardy to -30° F)
Tags Attracts Bees, Attracts Beneficial Insects, Attracts Butterflies, Attracts Hummingbirds, Attracts Pollinators, Container, Deciduous, Deer Resistant, Drought Tolerant, Dry, Full Sun, Good for Beginners, Good for Borders, Good for Butterfly Garden, Good for Cottage Garden, Good for Cut Flowers, Good for Mass Planting, Good for Rock Garden, Low Maintenance, Medium, Mounded, Native to Asia, Native to Europe, Native to North America, Normal Soil, Perennial, Prairie Garden, Rabbit Resistant, Showy Fruits, Tolerant of Clay Soil, Tolerant of Loamy Soil, Tolerant of Poor Soil, Tolerant of Sandy Soil, Well-Drained Soil
Bloom Period June to September
Flower Color Rosy Pink, Fading to Pale Pink
Foliage Color Gray-Green

Commonly Planted with...

Lavender, Echinacea, Salvia, Nepeta, Coreopsis, Rudbeckia, Gaillardia, Allium, Sedum, and Phlox.

Photos of This with...

 
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Pricing and Availability History

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Past Availability
2025 : 04/13 - 10/04

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Field-Grown vs. Greenhouse-Grown Plants

Plants which are well-adapted to our local climate are most often field-grown (outside). Field-grown plants are generally cheaper and have the advantage of already somewhat acclimated to our cold winters, but that means they’re not artificially far along in the spring and tend to bloom at the normal time in our area.

Spring annuals and tender perennials are typically grown in Greenhouses so they can be ready and luxurious exactly when customers want them. Some perennials are also “forced” into early bloom in greenhouses. In May, there can be a very big difference between field-grown and greenhouse-grown plants of the same type. The latter typically look good right away (so they’re a great choice where that’s important), but we typically pay a premium for it.


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No Pricing or Availability Right Now

We order from a rotating cast of the best nurseries in the Great Lakes region. It looks like we've offered this plant in the past, but the nurseries we're working with this week don't appear to have it in stock at the moment.

Our goal is to bring as many plants together under "one roof" as possible, so we'll try hard to make it available again in the future!