Belarina Buttercup Primrose (Primula vulgaris 'Kerbelbut' BELARINA BUTTERCUP)
PRIM-yew-lah vul-GAR-iss 'Kerbelbut' BELARINA BUTTERCUP

Deciduous Perennial Low, Rosette-Forming in the Primulaceae Family
A cheerful double-flowered primrose with butter-yellow, rosette-shaped blooms -- one of the original Belarina series introductions from Kerley & Co.
Primula vulgaris 'Belarina Buttercup' (registered as 'Kerbelbut', US Plant Patent 16,373) is one of the original cultivars in Kerley & Co.'s patented Belarina series. Its fully double, butter-yellow flowers form a neat rosette shape and bloom in profusion from late winter into early spring, well above compact, ruffled green foliage. Like its Belarina siblings, the doubled flower form sets little to no viable seed, which helps extend the bloom period rather than channeling energy into seed production. Easy to grow in partial shade with evenly moist, humus-rich soil, it suits woodland borders, containers, and shaded beds alike.

Pros

  • Fully double, butter-yellow rosette-shaped blooms
  • Extended bloom from late winter into early spring
  • Compact habit well-suited to containers and small spaces
  • Deer resistant and easy-care once established

Cons

  • Prefers consistently moist soil and may struggle in hot, dry summers
  • Mildly toxic if ingested by pets or people
  • Double flower form sets little viable seed, so it will not reliably self-sow
Highlights Butter-yellow, rosette-shaped double flowers; extended late winter to early spring bloom; compact, container-friendly habit; one of the original Kerley & Co. Belarina series introductions.
 

Plant Data

Mature Size 3 - 6 inches tall. 3 - 9 inches wide.
Growth Rate Medium
Sun Exposure Partial Shade - Partial Shade
Moisture Tolerance Medium - Wet
Zones 4a - 8b (Usually hardy to -30° F)
Tags Attracts Bees, Attracts Pollinators, Container, Deciduous, Extended Bloom Time, For a Shady Spot, Good for Beginners, Low Maintenance, Medium, Partial Shade, Partial Shade, Perennial, Potentially Allergenic, Showy Flowers, Wet, Wet Site Tolerant
Bloom Period Late Winter to Early Spring
Flower Color Butter Yellow
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Pricing and Availability History

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Past Availability
2025 : 04/03 - 04/05

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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!