Aster novi-belgii 'Alert'

Alert New York Aster, New York Aster

A compact, mounded fall-blooming aster noted for its bright rose-red to deep pink flowers with yellow centers. ‘Alert’ provides vivid late-season color and a tidy habit that holds its shape well in borders and mass plantings.

Key features



Width: 18–24 in (1.5–2 ft)



Height: 12–18 in (1–1.5 ft)



Flower color: Rose-red to deep pink with yellow centers



Bloom time: Late summer to fall



Foliage: Dark green, narrow leaves



Form: Dense, rounded mound



Life cycle: Herbaceous perennial



Growing conditions



Sun: Full sun (best flowering and compact habit)



Soil: Average to moist, well-drained



Water: Moderate; drought tolerant once established



Hardiness: USDA Zones 4–8



Landscape use



Front to mid-border perennial beds



Mass plantings for fall color



Pollinator gardens



Cottage and mixed borders



Containers and edging



Notes



Excellent late-season pollinator plant



Generally deer resistant



Compact habit minimizes staking



Divide every few years to maintain vigor



Pairs well with ornamental grasses and fall sedum

Plant type

Perennial

Height

12-15"

Width

15"

Hardiness zones

3–7

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Fall, Fall, Late Summer

Flower color

Fuchsia, Violet

Leaf color

Green

Fall color

Dark Green

Attracts

Butterflies

Soil

Loamy, Well Drained

Landscape use

Hedge, Mass Planting, Rock Garden

Shape

Compact, Low Mounding

Fragrant

Yes

Deer resistant

Yes

Salt tolerant

Yes

Drought tolerant

No