Swamp Aster
Product Description
Swamp Aster(Symphyotrichum puniceum), proposed by Akène
?? An elegant perennial, essential for biodiversity ??
The swamp aster is a native perennial plant that stands out for its late flowering , ideal for extending the season of colors in the garden. Reaching up to 150 cm in height , it produces, from late summer to autumn , flowers of a magnificent purplish purple with a bright golden heart . Its robust stems, often slightly hairy , bear finely serrated foliage that adds a wild and natural touch to green spaces.
?? Adapted to rich and moist soils , the red aster thrives in full sun as well as partial shade and thrives in damp meadows, ditches and forest edges .
Characteristics of the variety
?? Flowering : August to October
?? Height : 150 cm
?? Spacing : 30 cm
?? Exposure : Sun, partial shade
?? Life cycle : Perennial
?? Soil type : Silty to clayey
?? Soil moisture content : Damp to soggy
?? Deer Resistance : High
?? Seeds per packet : 200
Sowing and cultivation
?? Sowing depth : 3 mm
?? Germination time : 15 to 30 days
?? Cold stratification : 30 days
? Scarification : Not required
?? Indoor method (recommended for optimal germination) :
1?? Mix the seeds with damp sand and place them in the refrigerator for 30 days .
2?? After stratification, sow on the surface of light, well-drained potting soil, without covering the seeds.
3?? Maintain constant humidity until germination, which can take 2 to 4 weeks .
4?? Transplant to the garden once the risk of frost has passed .
?? Outdoor method :
?? Sow directly in autumn for natural stratification during winter.
?? Ensure moist soil until seedlings are established .
?? Once well established, the Ponceau aster is undemanding and requires little maintenance.
Ecological roles and utilities
?? A pollinator magnet : Essential source of nectar for bees, butterflies and bumblebees at the end of the season.
?? Support for biodiversity : Feeds a multitude of beneficial insects.
?? A resource for wildlife : Its seeds are appreciated by birds in the fall.
?? A soil stabilizer : Prevents erosion in wetlands.
Uses in landscaping
?? Perfect for naturalistic gardens and riparian strips .
?? Ideal in the background of flower beds thanks to its impressive height.
?? Integrates well into wetlands and rain gardens .
Companion plants
?? Goldenrod, Joe Pye Weed, Blue Flag, Swamp Milkweed
Enemy plants
?? None known
Why grow the Ponceau aster?
?? A late flowering that prolongs the garden's brilliance
?? A major ecological asset for pollinators
?? A native plant adapted to humid soils
?? Deer resistant and low maintenance
?? Add the Ponceau Aster to your garden for a colorful fall and flourishing biodiversity!