Bloom Clock/Shrubs with white flowers seen in September in Southeastern Pennsylvania


The plants pictured below have been recorded as blooming during the month of September in Southeastern Pennsylvania.



Hibiscus syriacus

Flowers

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Profile for Hibiscus syriacus (Garden Hibiscus)
Identifying Characteristics
Habit:Tree or shrub
Foliage:Simple, lobed
Fruit:Dry capsules
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Prunus laurocerasus

Closeup of flowers

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Profile for Prunus laurocerasus (Cherry Laurel)
Identifying Characteristics
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Fall, Mid Fall


Abelia x grandiflora

Closeup of flowers

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Profile for Abelia x grandiflora (Glossy Abelia)
Identifying Characteristics
Habit:Suckering shrub
Flowers:Tubular, white
Foliage:Simple, glossy
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Gaultheria procumbens

Gaultheria procumbens in flower

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Profile for Gaultheria procumbens (Eastern Teaberry, Checkerberry, Boxberry and American Wintergreen)
Identifying Characteristics
Habit:Erect/creeping
Flowers:Bell-shaped, 6–8 mm long, white, borne solitary or in short racemes.
Foliage:Elliptic to ovate, 2–5 cm long and 1–2 cm broad
Stem:Round, 10–15 cm tall
Scent:Distinct oil of wintergreen scent.
Growing Conditions:Dry to moist acidic soils; forests; sandy areas
Fruit:Edible berry 8–15 mm in diameter persists through the winter until new blossoms form.
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Mid Summer, Late Summer


Lagerstroemia indica

Inflorescences and foliage

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Profile for Lagerstroemia indica (Crape Myrtle)
Identifying Characteristics
Habit:Large shrub or small tree
Foliage:simple
Fruit:Dry, persistent capsule
Life Cycle: perennial shrub or tree
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall, Mid Fall


Clethra alnifolia

Inflorescences

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Profile for Clethra alnifolia (Summersweet)
Identifying Characteristics
Habit:Suckering shrub
Flowers:Upright panicles
Foliage:Simple, serrate margins
Life Cycle: Perennial woody shrub
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Global data: