Here’s PennLive garden writer George Weigel’s Plant Pick of the Week for this week:

* Common name: White heath aster ‘Snow Flurry’

* Botanical name: Symphyotrichum ericoides var. prostratrum ‘Snow Flurry’

* What it is: The Pennsylvania-native heath-aster variety of ‘Snow Flurry’ is one of the season’s last perennials to bloom, nearly covering the plants for weeks in snowflake-like, white, daisy flowers in late September and October.

‘Snow Flurry’ is distinctive in the aster family for being a particularly short variety. Plants grow in short, bushy clumps that top out around six inches tall.

Butterflies like the flowers, but deer usually leave most asters alone.

The plant’s leaves are narrow and similar to heathers, which is the source of the common name “heath aster.”

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