Zone 4 · winter lows -30°F to -20°F

Symphyotrichum for Zone 4

19 Symphyotrichum varieties rated hardy through Zone 4, ranked by how many gardeners actually grow them. Zone 4 is short, intense seasons — plants here are the toughest in the catalog.

19 hardy hereof 20 Symphyotrichum totalLast frost ~mid-May

The Symphyotrichum that thrive in Zone 4

#1 most saved

New England Aster Harringtons Pink

Symphyotrichum novae-angliae 'Harringtons Pink'

Zones 4–8· 309 saves

#2 most saved

New Mexico Aster My Antonia

Symphyotrichum fendleri 'My Antonia'

Zones 4–8· 264 saves

#3 most saved

New England Aster

Symphyotrichum novae-angliae '05-196-10'

Zones 4–8· 163 saves

Fanny aster

Symphyotrichum oblongifolium 'Fanny'

Zones 4–8· 160 saves· from $18

Snow Flurry Heath Aster

Symphyotrichum ericoides 'Snow Flurry'

Zones 4–9· 159 saves· from $16

Purple Dome New England Aster

Symphyotrichum novae-angliae 'Purple Dome'

Zones 4–8· 159 saves· from $7

Raydon's Favorite Aromatic Aster

Symphyotrichum oblongifolium 'Raydon’s Favorite'

Zones 4–8· 142 saves

New York Aster

Symphyotrichum novi-belgii

Zones 4–8· 127 saves

Aromatic Aster

Symphyotrichum oblongifolium

Zones 4–9· 99 saves

October Skies Aromatic Aster

Symphyotrichum oblongifolium 'October Skies'

Zones 4–8· 90 saves· from $28

Smooth Blue Aster

Symphyotrichum laeve

Zones 4–8· 88 saves

Pink Star Aster Heath Aster

Symphyotrichum ericoides 'Pink Star'

Zones 4–9· 85 saves· from $22

Lady in Black Calico Aster

Symphyotrichum lateriflorum 'Lady in Black'

Zones 4–8· 78 saves

Calico Aster

Symphyotrichum lateriflorum 'Prince'

Zones 4–8· 64 saves

Sapphire Aster

Symphyotrichum dumosum 'Sapphire'

Zones 4–8· 53 saves

Blue Wood Aster

Symphyotrichum cordifolium

Zones 4–8· 51 saves· from $9

Bama Superstar Aster

Symphyotrichum dumosum 'Bama Superstar'

Zones 4–8· 46 saves

Blue Wood Aster

Symphyotrichum novi-belgii 'Wood's Light Blue'

Zones 4–8· 39 saves· from $13

Wood's Pink Aster

Symphyotrichum novi-belgii 'Wood's Pink'

Zones 4–8· 28 saves· from $13

Symphyotrichum in Zone 4

Will Symphyotrichum survive a Zone 4 winter?

19 of the 20 Symphyotrichum varieties in the Sow catalog are rated hardy through Zone 4, where winter lows reach -30°F to -20°F. Hardiness is per-variety, not per-genus — the plants listed above are the ones that hold up; others in the genus are not rated for this zone.

When should I plant Symphyotrichum in Zone 4?

In Zone 4 the last spring frost typically lands around mid-May and the first fall frost around late September. Planting after the last frost — or in early fall, so roots establish before the ground cools — gives the best establishment. Each plant page lists its own planting months.

Which Symphyotrichum is best for Zone 4?

Start at the top of the list above: it is ranked by how many gardeners actually save and grow each variety, which is a strong real-world reliability signal. Then narrow by your sun exposure and the mature size that fits the bed.

Keep exploring

All Symphyotrichum

Every Symphyotrichum variety (20)

Symphyotrichum in other zones

More for Zone 4

See Symphyotrichum in your Zone 4 yard

Snap a photo of your space and Sow places these varieties in it at true mature size — then keeps the care schedule for everything you plant.