Bloom Clock/Keys/Southeastern Pennsylvania/April/Yellow Flowers

Uvularia sessilifolia

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This page is part of a dichotomous key for plants recorded as blooming in Southeastern Pennsylvania during the month of April.
These plants have the following traits:

  • Yellow flowers


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Profile for Uvularia sessilifolia (Wild Oats)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Tulipa

flowering plants

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Profile for Tulipa (Tulip)
Identifying Characteristics


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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Taraxacum officinale

Head

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Profile for Taraxacum officinale (Common Dandelion)
Identifying Characteristics
Habit:rosette-forming herbaceous plant with a long taproot
Flowers:Head, flowers are all ray-like
Foliage:Basal only, pinnately lobed
Stem:flower stems are hollow with a milky sap
Scent:mild, "sunny"
Growing Conditions:sunny and partly-shaded, well drained soils, drought intolerant
Fruit:achene with a silky pappus
Similar Plants:Hypochoeris radicata, Sonchus
Recent Logs
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Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall, Early Winter


Senecio vulgaris

Stems and flowers

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Profile for Senecio vulgaris (Common Groundsel)
Identifying Characteristics
Habit:Low growing but upright herbaceous plant
Flowers:Enclosed heads
Recent Logs
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Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Fall


Packera obovata

Flowers

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Profile for Packera obovata (Golden Ragwort)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer


Narcissus

A Jonquil flower

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Profile for Narcissus (Daffodil, Jonquil, Narcissus)
Identifying Characteristics
Habit:Upright herbaceous plants
Foliage:Basal, straplike, slightly bluish
Subclass plants:Narcissus pseudonarcissus
Recent Logs
edit
  • Anna reg 12:05, 12 April 2010 (UTC)
  • Sb f 14:46, 6 March 2011 (UTC) (plants blooming in the microclimate by the springhouse, elsewhere not flowering)
  • Anna reg 18:35, 24 March 2011 (UTC)
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring


Forsythia x intermedia

blooming plant

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Profile for Forsythia x intermedia (Garden Forsythia)
Identifying Characteristics
Habit:suckering shrub
Flowers:4-petaled, yellow
Foliage:Simple, opposite, serrate margins, emerging about 1/2-way through full bloom
Stem:hollow pith
Recent Logs
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Global data:
Temperate zone season(s): Early Winter, Mid Winter, Early Spring, Mid Spring


Duchesnea indica


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Profile for Duchesnea indica (Mock Strawberry)
Identifying Characteristics
Habit:Creeping herbaceous plant
Flowers:5 yellow petals
Foliage:Trifoliate, roughly haired, dark green
Fruit:Strawberry-like but with red seeds
Life Cycle: Perennial
Recent Logs (flowers)
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Early Fall, Mid Fall, Late Fall


Chelidonium majus

Flowers, foliage, and buds

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Profile for Chelidonium majus (Greater Celandine)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:4 showy petals, many anthers, yellow.
Foliage:Pinnately compound with lobed leaflets.
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall


Buxus

Buxus 'Green Velvet', foliage

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Profile for Buxus (Boxwood)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Berberis thunbergii

Branch with flowers and leaves

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Profile for Berberis thunbergii (Japanese Barberry)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Barbarea vulgaris

Closeup of flowers

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Profile for Barbarea vulgaris (Yellow Rocketcress)
Identifying Characteristics
Habit:Upright
Flowers:Corymbs of yellow flowers, 4 petals.
Foliage:Glossy dark green, pinnately lobed or divided with a large terminal leaflet or lobe
Stem:green, stiff
Life Cycle: Biennial
Similar Plants:Barbarea verna, Rorippa sylvestris
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer


Barbarea verna


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Profile for Barbarea verna (Pale yellow rocket)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Lamium

flowers of L. orvala

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Profile for Lamium (Deadnettle)
Identifying Characteristics
Subclass plants:L. album, L. purpureum
Recent Logs
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  • SB_Johnny-LM 27 April, 2007 (from photographic log) (unidentified cultivar)


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


Corylopsis

Corylopsis spicata, flowers & stems

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Profile for Corylopsis (Winter Hazels)
Identifying Characteristics
Subclass plants:C. spicata
Recent Logs
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Global data:


Epimedium

Illustration of E. alpinum

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Profile for Epimedium (Barrenwort)
Identifying Characteristics
Subclass plants:E. leptorhizum
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Quercus alba

Search for Quercus alba on commons)

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Profile for Quercus alba (White Oak)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Quercus

flowers on a red oak

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Profile for Quercus (Oak)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Viola

Viola cornuta, a species of Viola

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Profile for Viola (Violet)
Identifying Characteristics
Subclass plants:V. labradorica,

V. pedata,
V. tricolor,

V. x wittrockiana


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


Crocus

Flowering plants

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Profile for Crocus (Crocus)
Identifying Characteristics
Subclass plants:Crocus tommasinianus
Crocus vernus
Recent Logs
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  • --Anna reg 18:43, 24 March 2011 (UTC)
  • --Jomegat 15:54, 16 March 2010 (UTC) (first bloom of 2010)


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Global data:


Quercus palustris

Search for Quercus palustris on commons)

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Profile for Quercus palustris (Pin Oak)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Kerria japonica

flowering branch

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Profile for Kerria japonica (Kerria)
Identifying Characteristics
Habit:suckering, arching shrub
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Salix 'Pendula'

Salix sp., showing the unmistakable and typical habit of weeping Salix. Image shows Salix babylonica

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Profile for Salix 'Pendula' (Weeping Willow)
Identifying Characteristics
Similar Plants:Logs for this plant may include a number of species, hybrids and cultivars.
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Quercus rubra

Search for Quercus rubra on commons)

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Profile for Quercus rubra (Red Oak)
Identifying Characteristics
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Global data:
Temperate zone season(s): Mid Spring


Salix 'Tortuosa'


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Profile for Salix 'Tortuosa' (Corkscrew Willow)
Identifying Characteristics
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Global data:
Temperate zone season(s): Mid Spring


Rhododendron

Flowers

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Profile for Rhododendron (Rhododendrons and Azaleas)
Identifying Characteristics
Subclass plants:R. calendulaceum,

R. catawbiense,
R. maximum,
R. molle,
R. prinophyllum,
R. subsp. vireya,
R. 'Delaware Valley White',
R. 'Girard's Crimson',
R. 'Hershey's Red',
R. 'PJM',
R. 'Pleasant White',

R. 'Roseum Elegans',
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer


Jasminum nudiflorum

Flowers

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Profile for Jasminum nudiflorum (Winter Jasmine)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Mahonia bealei

Flowering plant

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Profile for Mahonia bealei (Grape-holly)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Symphytum grandiflorum


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Profile for Symphytum grandiflorum (Creeping Comfrey)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Fagus sylvatica


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Profile for Fagus sylvatica (European Beech)
Identifying Characteristics
Subclass plants:F. sylvatica purpurea
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Corylus americana

Corylus americana, fruits

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Profile for Corylus americana (American Hazelnut)
Identifying Characteristics
Habit:Shrub, small tree
Flowers:Male catkin is brown to yellow in late winter or early spring. Female flower is red and obscure.
Foliage:Serrate, cardoid
Stem:Multiple or single stem.
Fruit:Edible nut
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Fragaria vesca

flowering plant

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Profile for Fragaria vesca (Woodland Strawberry)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Late Summer, Early Fall


Aurinia saxatilis


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Profile for Aurinia saxatilis (Basket of Gold)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Oxalis stricta

Flowers and foliage

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Profile for Oxalis stricta (Common Yellow Woodsorrel)
Identifying Characteristics
Habit:Upright
Flowers:5 petals, yellow
Foliage:Trifoliate, leaflets heart-shaped
Stem:Slender, green
Fruit:Explosive capsules
Life Cycle: Annual
Recent Logs
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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


Acer negundo

Inflorescence

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Profile for Acer negundo (Boxelder)
Identifying Characteristics
Recent Logs
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Multiple pink flowers on single stem
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Global data:
Temperate zone season(s): Mid Spring


Oxalis corniculata

Plant with flowers, showing the purple foliage

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Profile for Oxalis corniculata (Creeping Woodsorrel)
Identifying Characteristics
Habit:Creeping, rooting at the nodes
Flowers:Yellow, 5-petaled
Foliage:Trifoliate with heart-shaped leaflets, usually purple
Fruit:Explosive capsules
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall


Waldsteinia fragarioides

flowering plant (purple flowers are Vinca minor)

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Profile for Waldsteinia fragarioides (Barren Strawberry)
Identifying Characteristics
Habit:Creeping herbaceous plant
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Sassafras albidum

Illustration

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Profile for Sassafras albidum (Sassafras)
Identifying Characteristics
Habit:Medium sized tree or large shrub
Foliage:Unlobed, lobed on one side (resembling a mitten), or on two sides (resembling a mitten with 2 thumbs)
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Erythronium americanum

Flowering plant

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Profile for Erythronium americanum (Yellow Trout Lily)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Corydalis cheilanthifolia

Flowers and foliage

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Profile for Corydalis cheilanthifolia (Fernleaf Corydalis)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Early Summer


Salix discolor

Illustration

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Profile for Salix discolor (Pussy Willow)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Cornus mas

Flowers are on short spurs, covering the branches

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Profile for Cornus mas (Cornelian Cherry)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring


Lindera benzoin

Illustration

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Profile for Lindera benzoin (Spicebush)
Identifying Characteristics
Habit:large shrub
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Primula vulgaris

flowers

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Profile for Primula vulgaris (Primrose)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring


Corylopsis spicata

Flowers on a branch

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Profile for Corylopsis spicata (Winter Hazel)
Identifying Characteristics
Habit:Shrub, wider than tall
Stem:Zig-zagging
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Taxus baccata

male cones

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Profile for Taxus baccata (Yew)
Identifying Characteristics
Habit:Coniferous shrub or small tree
Flowers:Male cones are yellow, and release clouds of pollen when disturbed by wind or other movement
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring


Stylophorum diphyllum

Flowers

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Profile for Stylophorum diphyllum (Celandine poppy)
Identifying Characteristics
Flowers:4 showy petals, numerous anthers, all yellow
Foliage:hairy beneath and on the petioles
Fruit:pods
Life Cycle: perennial
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer


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


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


Ficaria verna, previously Ranunculus ficaria

Flower

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Profile for Ficaria verna (Lesser Celandine)
Identifying Characteristics
Habit:Low, spreading
Foliage:glabrous, dark green
Life Cycle: perennial

BCP/Ficaria verna/Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring



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Last updated 11:58, 27 April 2008 (UTC) from the DPL page with 49 plants.