Source: homeredwardprice
Helianthus strumosus
Plant Names
Helianthus strumosus
Pale-leaved Sunflower
Hélianthe scrofuleux
Plant Characteristics
Couleur de floraison: Jaune
Bloom Period: Jul - Sep
Hauteur max: 6,0 feet
Max Width: 3,0 feet (spreads by rhizome)
Light Condition:
Plus de 6 heures d'ensoleillement par jour
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolère des conditions de sol sec
Tolerates medium soil condition
Plus de 6 heures d'ensoleillement par jour
More than 2 or 3 hours but less than 6 hours of direct sun a day
Tolère des conditions de sol sec
Tolerates medium soil condition
Lifespan:
Vivace
des plantes qui reviennent année après année
Gardener Experience:
Spreads by rhizome
Spreads by rhizome
Landscape Uses:
Suitable for woodland gardens
Suitable for woodland gardens
Ecological Benefits:
Supports birds
Butterfly host
Bee host
Keystone species
Supports birds
Butterfly host
Bee host
Keystone species
Tolerates:
Tolerates drought conditions
Rabbit resistant
Tolerates sandy conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates drought conditions
Rabbit resistant
Tolerates sandy conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Special Features and Considerations:
Seed and plant distribution status
No seeds available for this plant.
Nous acceptions les semences de cette plante
Faits intéressants
Pale-leaved Sunflower is a tall wildflower with yellow blooms. It can thrive in a diverse range of habitats.
Plant Location
Native to Ottawa region: Oui
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Canadensis
Thrives in Ecozones
- Maritime de l'Atlantique
- Bouclier boréal
- Plaines à forêts mixtes
Ecological Benefits
Butterflies Supported by Helianthus strumosus
-
Chlorochlamys chloroleucaria
Blackberry looper - Arpenteuse des ronces -
Chlosyne gorgone
Gorgone checkerspot - Damier gorgone -
Chlosyne nycteis
Silvery checkerspot - Damier argenté -
Phragmatobia fuliginosa
Ruby Tiger - Écaille Cramoisie
Specialized Bees Supported by Helianthus strumosus
- Andrena aliciae
- Andrena helianthi
- Melissodes agilis
Complementary Plants
- No complementary plants found.
Substitute For Non-Native Plants
No substitute plant data available for this plant.
Sowing Information
Download Seed Envelope Labels (PDF)
- Sowing depth: Surface sow
- Sow by March
- Stratification duration: 30 days
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator:
- Seeds easily fall off when you gently pull them off
- Harvesting:
- Secouer le porte-graines dans un sac de papier
- 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.