Triumph Aster

Aster x alpellus 'Triumph'

Loads of large, purple, daisy-like flowers with cheerful yellow centers cover the dense mound of green foliage. This petite, summer-blooming aster is at home with natives in short grass meadows and wildflower gardens, and the compact form makes it equally ideal for pots and at the front of borders. An herbaceous perennial.
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Your climate might be too cold for this plant:


Full sun, Partial sun

Water regularly - weekly, or more often in extreme heat or containers.


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Botanical PronunciationASS-ter al-PELL-us
Average Size at MaturityQuickly reaches 8 to 12 in. tall, 12 to 15 in. wide.
Bloom TimeLate Spring into Summer
Design IdeasThis summer blooming Aster adds color and texture to sun drenched beds and mixed perennial borders. Edge a walkway or patio with the contrasting blooms or create a container garden with other bright orange bloomers that highlight the striking orange centers on Triumph. Add this little beauty to a rock, butterfly or cottage garden and enjoy the calming violet and energizing orange colors all summer long.
Deciduous/ EvergreenHerbaceous
Flower AttributeFlowers for Cutting, Showy Flowers
Flower ColorPurple
Foliage ColorGreen
Garden StyleCottage, Rustic
Growth HabitColumnar, Mounding
Growth RateFast
Landscape UseBorder, Container, Mass Planting, Rock Garden, Woodland Garden, Cutting Garden, Accent, Edging, Urban Garden, Small Spaces
Light NeedsFull sun, Partial sun
Special FeatureAttracts Butterflies, Easy Care, Extreme Cold Hardiness, Tolerates Poor Soils, Waterwise, Fast Growing, Compact Form, Non-Invasive
Water NeedsModerate
Watering NeedsWater regularly - weekly, or more often in extreme heat or containers.
Companion PlantsBee Balm (Monarda); Coneflower (Echinacea); Butterfly Weed (Asclepias); Black-Eyed Susan (Rudbeckia); Butterfly Bush (Buddleja)

Thrives in moist, fertile, slightly acidic, well-drained soils, but highly adaptable. Prefers cool summer climates. Water deeply, regularly in first growing season to establish an extensive root system; once established, prefers regular moisture. For a tidy appearance, remove old foliage before new leaves emerge.

This Plant's Growing Zones: 3-9

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant