Image of Geranium robertianum
Source: OWSL

Plant Names

image of Flowering plant
Geranium robertianum
Robert’s Geranium
Géranium de Robert

Synonyms

Robert's geranium
herbe à l'esquinancie
herbe à Robert

Plant Characteristics

Bloom Colour: Pink Bloom Period: Jun - Oct
Max Height: 1.0 feet
Max Width: 2.0 feet
Light Condition:
Full sun More than 6 hours of direct sun a day
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: Annual plants that have a lifespan of one year
Gardener Experience:
beginner friendly Suitable for beginner gardeners
does not spread Does not spread uncontrollably
plant germinate easy Easy to germinate
plant self seeding Self-seeding
Landscape Uses:
container suitable Suitable for container garden
school garden Suitable for school gardens
Ecological Benefits:
bee host Bee host
Tolerates:
Foot Traffic Tolerant Tolerates foot traffic around the plant
Limestone Tolerant Tolerates limestone conditions
Juglone Tolerant Tolerates juglone conditions
Special Features and Considerations:
septic tank safe This plant is septic tank safe

Seed and plant distribution status

No seeds available for this plant.

We are not accepting seeds for this plant at the moment.

Plant Location

Distribution according to VASCAN

Distribution: Geranium robertianum
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Pacific Maritime
  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Geranium robertianum

  • Prochoerodes lineola (Large Maple Spanworm)

Specialized Bees Supported by Geranium robertianum

  • Andrena distans

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • Lamium (Dead nettle)
  • Ajuga reptans (Bugleweed)
  • Convallaria majalis (Lily of the Valley)
  • Iridaceae (Crocus)
  • Scilla siberica (Siberian Squill)
  • Salvia (Non-Native Sage)
  • Myosotis sylvatica (Forget-me-not)
  • Phlox subulata (Moss Phlox)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Surface sow
  • Sow by March
  • Stratification duration: 30 days
  • Self-seeding

Harvesting and Seed Sharing

  • Harvest start month: August
  • Harvesting indicator:
    • Seeds easily spring away from plant when you touch the pod
  • Harvesting:
    • Put a bag around the pod to capture the seeds, then touch the pod
  • Seed viability test:
    • No test needed before donating
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage:
    • Air dry in paper bag or open container, for a few days until crisp
    • Shake seeds to move them once in a while to prevent molding
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • Remove non-seed material
  • No harvesting video available at this time.

Toxicity Notes

Not known to be toxic to mammals if ingested.