Sequim Rare Plants, Sequim, WA 98382

Primula auricula 'Sirius'

Primula auricula 'Sirius'Primula auricula 'Sirius'
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  • common names: primrose, auricula primrose or auricula (in anatomy, “auricula” is another name for the external portion of the ear alluding to the fleshy, leathery quality of this primrose's leaves)
  • flowering season: April into May
  • height: 4 to 6 inches
  • Light requirements: full sun or filtered light, afternoon shade where summers are hot
  • Soil requirements: average soil when planted in the ground; quickly draining soil when grown in a pot
  • Water requirments: average
  • Growth habit: grows as a clump of shoots; older shoots can become leggy and will benefit from being replanted deeper every few years
  • How to propagate: dividing in either spring or early fall
  • Leaf type: evergreen leaves that are somewhat rubbery and succulent
  • Ways to use it: grows well in the garden or will live happily in a 6 or 8-inch pot for several years before needing to be divided and repotted; plants that are grown in pots can easily be wintered over in the garden by removing them from their pots in September or October and planted in a protected spot on the east side of a house, to be returned to their pots in February or March, in time for their mid-spring flowering
  • Special characteristics: both the flowers and the foliage have a slightly spicy fragrant scent; because it is native to higher mountainous elevations, it much prefers cool summers rather than hot humid ones -- although it is possbile to grow it in warmer climates, it is suggested not to keep the roots constantly damp and giving it afternoon shade; we recommend allowing a plant to dry out considerably between deep watering, and also misting the leaves; one secret to keeping it happy is either growing it in a terra cotta pot or giving it a potting soil that is 50% pumice or perlite
  • Other points of interests: some historians believe the ancestors of this plant were collected from their native range in the Alps mountains of Europe and were the first plants grown in pots by Europeans; they were highly prized by Victorian gardeners during the nineteenth century when many unusually colored varieties were available
'Sirius' is very different with the maroon at the base of each petal and the edges shaded in cream, with a golden center. Ages to lighter shades. Cold hardy to −35 to −40°F, with protection such as snow cover.

Sequim Rare Plants, 500 N. Sequim Ave., Sequim, WA 98382 USA  - -  (360) 775-1737