Toxic Plant Inconnu - Inadequate information on toxicity found.
Image of Osmorhiza longistylis
Source: Soug McGrady

Plant Names

image of Plante à fleurs
Osmorhiza longistylis
Smooth Sweet Cicely
Osmorhize à long style

Synonyms

anise-root
long-style sweet cicely
long-style sweetroot

Plant Characteristics

Couleur de floraison: Blanc Bloom Period: May - Jun
Hauteur max: 3,0 feet
Max Width: 2,0 feet (spreads by rhizome)
Light Condition:
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture medium Tolerates medium soil condition
Lifespan: Vivace des plantes qui reviennent année après année
Gardener Experience:
does not spread Ne se propage pas de manière incontrôlable
plant spread by rhizome Spreads by rhizome
plant self seeding Self-seeding
Landscape Uses: No landscape information available.
Ecological Benefits: No ecological benefits information available.
Tolerates:
Deer Resistant Deer resistant
Rabbit Resistant Rabbit resistant
Transplantation Tolerant Tolerates transplantation
Special Features and Considerations:
produces burs This plant produces burs

Seed and plant distribution status

No seeds available for this plant.
Nous acceptions les semences de cette plante

Faits intéressants

Smooth Sweet Cicely has fern-like foliage and delicate white flowers in spring. It thrives in rich, moist soils under deciduous trees. A gentle woodland plant that slowly forms colonies. It’s an excellent choice under trees.

Plant Location

Native to Ottawa region: Oui

Distribution according to VASCAN

Distribution: Osmorhiza longistylis
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Maritime de l'Atlantique
  • Plaines boréales
  • Cordillière montagnarde
  • Bouclier boréal
  • Plaines à forêts mixtes

Ecological Benefits

Butterflies Supported by Osmorhiza longistylis

No butterfly data available for this plant.

Specialized Bees Supported by Osmorhiza longistylis

No bee data available for this plant.

Complementary Plants

Substitute For Non-Native Plants

  • Sorbaria sorbifolia (False spirea)
  • Hydrangea (Hydrangea)
  • Aegopodium podagraria (Goutweed)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Surface sow
  • Sow by February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting and Seed Sharing

  • Harvest start month: July
  • Harvesting indicator:
    • Seeds easily fall off when you gently pull them off
  • Harvesting:
    • Utiliser la main pour détacher de la tige principale
  • Seed viability test:
    • Pas de test requis avant le don
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage:
    • Sécher à l'air dans un sac en papier ou contenant ouvert, pour quelques jours jusqu'à sec
    • Secouer de temps à autre pour prévenir la moisissure
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • No harvesting video available at this time.

Toxicity Notes

Inadequate information on toxicity found.