helenium autumnale
Common sneezeweed
Hélénie automnale
No thanks, we have enough already
Growth Characteristics
Light Requirement
Full Sun More than 6 hours of direct sun a day to [Part Shade] More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil Humidity
Medium Sometimes holds water but for short periods of time to Wet Stays damp all year
Blooming Period August to October
Size 36 to 60
Flower Color None
Habit Herb
Sowing
Stratification No stratification needed
Sowing Depth Surface
Sowing Period Late spring in warm soil
Dormancy need
Ideal For
Easy to germinate
Suitable for container
Harvesting
PeriodSeptember
Indicator Seeds easily fall off when you gently pull them off
Harvesting mean Shake seed head in paper bag
Seed Head Head
Remove Non Seed Material True
Viability Test No test needed before donating
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
One cultivar Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
Packaging measure 1 rounded ¼ teaspoon
Envelope LabelOpen in new tab
Harvesting videoOpen in new tab
Distribution: Asclepias syriaca Linnaeus