




Symphyotrichum puniceum
Swamp asters are pretty flowers that bloom in late summer and fall. They have bright purple petals and attract butterflies and bees, making them a favorite in gardens and wetlands.
Habitat: Wetlands
The swamp aster has striking purple to pinkish-purple, daisy-like flowers with bright yellow centers, often growing in clusters. Its most distinctive feature is its robust, purplish-red stems, which give it a unique, vibrant look compared to other green-stemmed asters.





Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Even its scientific name, 'puniceum', means reddish-purple!
It's a super late bloomer, bringing color when most other flowers are gone!
Its seeds have tiny parachutes, letting them fly far on the wind!
Some call it the 'Red-stemmed Aster' for its unique, colorful stalks!
Swamp aster can thrive in soggy soil thanks to special roots that are adapted to wet conditions, helping it survive in marshes.
Its bright purple flowers are like a beacon, drawing in thirsty butterflies and bees for essential nectar.
Swamp aster blooms late in the year, providing a vital food source for insects when most other flowers have faded.
Apis mellifera
Gathers nectar and pollen from flowers.

Bombus impatiens
Feeds on nectar, helping flower reproduction.

Danaus plexippus
Nectars on late-season blooms during migration.
Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
Flowering plants are any plants that produce flowers as part of their reproductive cycle.
Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
No aliases listed yet.
Danger
1/5 · Very low
Always look but don't touch flowers without asking an adult first.
90-180 cm
30-90 cm
2-5 cm
Late summer to fall
No
None
Perennial
Insect
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Pennsylvania, US
You might spot Grey Alder, Sensitive Fern, and Interrupted Clubmoss.
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Virginia, US
You might spot Conifers, Virginia Creeper, and Black Walnut.
View guide →

Ontario, CA
You might spot Cardinal Flower, Canadian Bunchberry, and Twinflower.
View guide →