Crazy Little Thing Yarrow (Achillea millefolium 'Crazy Little Thing')
ah-KILL-lee-ah mil-lih-FOE-lee-um 'Crazy Little Thing'

Deciduous Perennial Upright, Spreading in the Asteraceae Family
A compact, ferny-leaved yarrow with light pink summer blooms, well suited to smaller borders, edging, and rock gardens where a full-size millefolium cultivar would be too much plant.
Crazy Little Thing is a compact selection of common yarrow, smaller in stature than most millefolium cultivars in this catalog. It forms a tidy mound of fine, fern-like foliage topped with light pink, flat-topped flower clusters through the summer. Documentation on its breeding history is sparse — no plant patent or named breeder was found — but it performs like a typical, easy-care yarrow scaled down for tighter spaces.

Pros

  • Compact size fits smaller borders and rock gardens
  • Drought-tolerant once established
  • Long summer bloom season
  • Low-maintenance and deer-resistant like most yarrows

Cons

  • Limited breeding/origin documentation available
  • Can flop in overly rich or wet soil
  • Occasional powdery mildew in humid conditions
Highlights A smaller-statured millefolium selection than most yarrows in this catalog, with fine ferny foliage and light pink blooms — a good fit for tighter spaces or front-of-border plantings.
 

Plant Data

Mature Size 12 - 18 inches tall. 8 - 12 inches wide.
Growth Rate Fast
Sun Exposure Full Sun - Full Sun
Moisture Tolerance Dry - Medium: Drought-tolerant once established; avoid consistently wet or poorly-drained soil.
Zones 3a - 9b (Usually hardy to -40° F)
Tags Deciduous, Dry, Full Sun, Medium, Perennial
Bloom Period June to September
Flower Color Light Pink
Foliage Color Green
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Pricing and Availability History

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Past Availability
2025 : 04/13 - 08/23

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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!