Bloom Clock/Keys/Southeastern Pennsylvania/September/Purple Flowers

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


Echinacea purpurea

Plants in bloom

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Profile for Echinacea purpurea (Purple Coneflower)
Identifying Characteristics
Habit:Upright, clump forming
Flowers:Heads with raised disks
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Eupatorium purpureum

Inflorescence

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Profile for Eupatorium purpureum (Joe Pye weed)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Heads held in large domed clusters
Life Cycle: Perennial
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Trifolium pratense

Inflorescence

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Profile for Trifolium pratense (Red Clover)
Identifying Characteristics
Habit:Spreading herbaceous plant
Foliage:trifoliate with pale zones on the leaflets
Fruit:tiny legumes
Life Cycle: perennial
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Solanum dulcamara

Flower and fruits

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Profile for Solanum dulcamara (Bittersweet, Bitter Nightshade, Blue Bindweed, Climbing Nightshade)
Identifying Characteristics
Habit:Twining, semi-woody vine
Flowers:Purple with yellow centers
Scent:Unpleasant aroma from vegetative parts
Fruit:Berries which are red when ripe
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall


Securigera varia

Inflorescence

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Profile for Securigera varia (Crown Vetch)
Identifying Characteristics
Habit:Spreading semi-herbaceous plant
Flowers:Small, pea-like flowers on a crown-like head
Foliage:Pinnately compound
Stem:Thin, wire-like
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Petunia x hybrida

Flowers

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Profile for Petunia x hybrida (Petunia)
Identifying Characteristics
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Cirsium vulgare

Head

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Profile for Cirsium vulgare (Bull Thistle)
Identifying Characteristics
Flowers:Heads
Foliage:Simple, deeply pinnately lobed, sharp spines
Stem:Covered in sharp spines
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Aster novae-angliae

Head

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Profile for Aster novae-angliae (New England Aster)
Identifying Characteristics
Habit:Erect, bushy herbaceous plant
Flowers:Heads with yellow disk florets and purple (sometimes pink, white, or red) rays
Foliage:Simple, alternate
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Aster lateriflorus

Illustration

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Profile for Aster lateriflorus (Calico Aster)
Identifying Characteristics
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Arctium lappa

Heads

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Profile for Arctium lappa (Burdock)
Identifying Characteristics
Habit:erect, branching
Foliage:Simple, hairy
Fruit:Large burs which stick to clothing and fur
Life Cycle: Biennial
Recent Logs
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall


Lythrum salicaria

Flowering plant

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Profile for Lythrum salicaria (Purple Loosestrife)
Identifying Characteristics
Habit:bushy herbaceous plant
Growing Conditions:Most frequent in wet soils, though also widely cultivated in gardens
Life Cycle: perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Hemerocallis

Flower of H. fulva, one of the most commonly encountered daylilies

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Profile for Hemerocallis (Daylily)
Identifying Characteristics
Habit:clumping herbaceous plant
Flowers:3 petals and 3 sepals nearly equal. Each flower lasts only one day.
Foliage:Basal, straplike
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Perilla frutescens

Search for Perilla frutescens on commons)

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Profile for Perilla frutescens (Perilla)
Identifying Characteristics
Habit:Erect herbaceous plant
Flowers:spikes of tubular purple flowers
Foliage:opposite, simple, toothed, porple in some varieties
Stem:square in cross section
Scent:liquorice-like scent from all parts
Life Cycle: Annual
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Nepeta x faassenii

Inflorescence

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Profile for Nepeta x faassenii (Catmint)
Identifying Characteristics
Flowers:On spikes, tubular, blue through pale purple.
Stem:Square in cross section
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Viola x wittrockiana

A Purple-flowered variety

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Profile for Viola x wittrockiana (Pansy)
Identifying Characteristics
Habit:Short-lived, low-growing perennial, with mostly cool season blooms
Higher taxa:Viola


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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Mid Summer, Early Fall, Mid Fall, Late Fall, Early Winter


Agastache foeniculum

Inflorescences

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Profile for Agastache foeniculum (Wild Hyssop)
Identifying Characteristics
Flowers:Small tubular flowers on an upright spike
Foliage:simple, opposite
Stem:Square in cross section
Life Cycle: Perennial
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Aster tataricus

Heads

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Profile for Aster tataricus (Tatarian Aster)
Identifying Characteristics
Habit:Upright, spreading forb
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Callicarpa

Flowers on a branch of C. bodnieri

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Profile for Callicarpa (Beautyberry)
Identifying Characteristics
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Buddleja davidii

Inflorescence

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Profile for Buddleja davidii (Butterfly Bush)
Identifying Characteristics
Habit:Arching shrub
Foliage:Simple, rough, opposite
Stem:Hollow pith
Scent:Flowers are sweetly scented
Fruit:Dry capsules
Life Cycle: Perennial shrub
Recent Logs
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Vernonia noveboracensis

Closeup of flowerheads

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Profile for Vernonia noveboracensis (New York Ironweed)
Identifying Characteristics
Habit:Erect herbaceous plant
Flowers:Heads, purple
Foliage:Simple
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall, Mid Fall


Salvia guaranitica

Flowering plant

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Profile for Salvia guaranitica (Anise Sage)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Tubular
Life Cycle: Perennial
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Hesperis matronalis

Closeup of purple flowers, flowers can range from white through pink, purple, or red

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Profile for Hesperis matronalis (Dame's Rocket)
Identifying Characteristics
Habit:Upright forb
Flowers:4 showy petals
Scent:Strong, sweet scent in early morning and evening
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Late Summer, Mid Fall


Salvia verticillata

Inflorescences

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Profile for Salvia verticillata (Salvia)
Identifying Characteristics
Habit:Clump forming herb
Flowers:tubular, on spikes
Foliage:opposite, simple
Stem:Square in cross section
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Late Fall


Cirsium arvense

Heads

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Profile for Cirsium arvense (Canada Thistle)
Identifying Characteristics
Habit:Spreading herbaceous plant
Flowers:Heads
Foliage:Spiny
Stem:Spiny
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Cleome hassleriana

Inflorescence and foliage of cv. 'Violet Queen'

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Profile for Cleome hassleriana (Spider Flower)
Identifying Characteristics
Habit:Upright herbaceous plant
Stem:Stiff, with sharp thorns, covered in leafy bracts
Fruit:Elongated pods
Life Cycle: Annual
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Torenia fournieri

Flowers

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Profile for Torenia fournieri (Wishbone Flower)
Identifying Characteristics
Habit:Low growing herbaceous plant
Foliage:simple, opposite
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Rosmarinus officinalis

Flowers and foliage

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Profile for Rosmarinus officinalis (Rosemary)
Identifying Characteristics
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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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Global data:


Phlox paniculata

Inflorescence of a pink variety

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Profile for Phlox paniculata (Garden Phlox)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Corolla tubular with 5 showy lobes
Foliage:Simple
Stem:green, stiff
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall, Early Winter


Melissa officinalis

Closeup of flowers and foliage

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Profile for Melissa officinalis (Lemon Balm)
Identifying Characteristics
Habit:Spreading herb
Flowers:Tubular, white
Foliage:Simple, opposite, dark green but cv. 'Aurea' has yellow leaves, and is common in gardens
Stem:Square in cross-section
Scent:Strong citrus scent from foliage
Life Cycle: Perennial
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Coleus

Flowering spike

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Profile for Coleus (Coleus)
Identifying Characteristics
Habit:shrublike
Flowers:spikes of tubular flowers
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Dahlia

Flower of cv. 'Autumn Fairy'

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Profile for Dahlia (Dahlia)
Identifying Characteristics
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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
Recent Logs
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall, Mid Fall


Salvia leucantha

Inflorescence

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Profile for Salvia leucantha (Mexican Bush Sage)
Identifying Characteristics
Habit:Dense shrub, often grown as an annual in cooler climates
Flowers:spikes of tubular flowers with sftly haired calyces
Growing Conditions:perennial shrub
Life Cycle: Perennial
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Liatris spicata

Inflorescence

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Profile for Liatris spicata (Blazing Star)
Identifying Characteristics
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last updated 13:43, 13 October 2007 (UTC) with 35 plants