Notice: We do not accept seeds that were given before 2024 as they had hybridized with Korean mint.
Source: OWSL
Agastache foeniculum
Anise Hyssop
Agastache fenouil
Obsolete Names
anise hyssop
anise-mint
fennel giant hyssop
fragrant giant-hyssop
giant-hyssop
lavender giant-hyssop
licorice-mint
Seeds available at table Mixed Sun, Medium
We currently accept seeds for this plant
Bloom colour: Purple
Bloom period: Jun - Sep
Max Height: 3.0 feet
Max Width: 1.5 feet (spreads by rhizome)
Light condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates medium soil condition
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Easy to germinate
Self-seeding
Easy to germinate
Self-seeding
Landscape uses:
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Tolerates boulevard garden conditions
Suitable for rain gardens
Suitable for container garden
Suitable for school gardens
Tolerates boulevard garden conditions
Ecological Benefits:
Supports hummingbirds
Butterfly host
Supports hummingbirds
Butterfly host
Tolerates:
Tolerates drought conditions
Tolerates salt conditions
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates transplantation
Tolerates drought conditions
Tolerates salt conditions
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates transplantation
Special Features and Considerations:
Plant Location
Native to Ottawa region: No
Thrives in Ecozones
- Taiga Plains
- Boreal Plains
- Montane Cordillera
- Prairies
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Agastache foeniculum
No butterfly data available for this plant.
Specialized Bees Supported by Agastache foeniculum
No bee data available for this plant.
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- Andropogon gerardi
Big Bluestem
Barbon de Gérard - Heliopsis helianthoides
False Sunflower
Héliopsis faux-hélianthe - Solidago juncea
Early Goldenrod
Verge d'or jonciforme - Symphyotrichum oolentangiense
Sky Blue Aster
Aster azuré - Veronicastrum virginicum
Culver's Root
Véronique de Virginie
Substitute For Non-Native Plants
- Linum usitatissimum (Common Flax)
- Perovskia Atriplicifolia (Russian Sage)
- Lupinus (Non-Native Lupins)
- Ajuga reptans (Bugleweed)
- Buddleia (Butterfly Bush)
- Delphinium (Delphinium)
- Salvia (Non-Native Sage)
- Lavandula) (Lavender)
Sowing Information
Download Sowing Label (PDF)
- Sowing depth: Surface sow
- Sow by March
- Stratification duration: 30 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: October
- Harvesting indicator: Pods are brown and crisp and starting to open, seeds are dark and tiny stem attaching to the main stem is brown. Seeds easily fall off pod when shaken, and little stem connecting the pod to the main stem is brown (not green)
- Harvesting mean: Put pods in food processor or blender and blend seeds, and strain seeds using a strainer
- Seed viability test: No test needed before donating
- Packaging measure: Half of one, 1/32 teaspoon
- Seed storage: Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
- At least one cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
- No harvesting video available at this time.
Toxicity Notes
Can cause cats indigestion.