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

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

Linaria vulgaris

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Profile for Linaria vulgaris (Butter and Eggs)

Identifying Characteristics
Habit:	spreading herbaceous plant
Flowers:	Snapdragon-like, yellow
Foliage:	Simple, covered in a white, waxy bloom
Stem:	Weak
Scent:	None
Fruit:	Dry capsules
Life Cycle:	Perennial

Recent Logs

Jomegat 21:38, 22 June 2010 (UTC)
Anna reg 12:48, 20 October 2011 (UTC)
(view all logs)

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

Regional data and additional images for Linaria vulgaris

Helianthus annuus

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Profile for Helianthus annuus (Sunflower)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^talk 09:24, 9 July 2008 (UTC)
--SB_Johnny | ^talk 09:51, 20 July 2008 (UTC)
Anna gdf 4 July 2009 (Photo)
(view all logs)

Global data:

Regional data and additional images for Helianthus annuus

Tanacetum vulgare

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Profile for Tanacetum vulgare (Tansy)

Identifying Characteristics
Habit:	upright herbaceous plant
Flowers:	Yellow heads, mostly discoid, on branched inflorescences
Life Cycle:	perennial

Recent Logs

SB Johnny-LM 10:42, 14 August 2007 (UTC)
SB Johnny-LM 09:46, 8 September 2007 (UTC)
--Juan 11:53, 5 October 2007 (UTC)

(view all logs)

Global data:

Regional data and additional images for Tanacetum vulgare

Taraxacum officinale

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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

Jomegat 02:17, 7 April 2010 (UTC)
Anna reg 10:13, 17 April 2010 (UTC)
Trinity507 16:17, 22 April 2010 (UTC)
Trinity507 03:48, 4 May 2010 (UTC)
Anna gdf 11:38, 11 May 2010 (UTC)
(view all logs)

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

Regional data and additional images for Taraxacum officinale

Rudbeckia fulgida

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Profile for Rudbeckia fulgida (Blackeyed Susan, Orange Coneflower)

Identifying Characteristics
Habit:	colonizing herbaceous plant
Flowers:	Heads with cone-shaped black disks and orange rays
Foliage:	simple, rough to the touch
Stem:	Freely branching
Life Cycle:	perennial
Similar Plants:	Sometimes confused with Rudbeckia hirta

Recent Logs

SB Johnny-LM 09:31, 16 October 2007 (UTC)
--SB_Johnny | ^talk 13:34, 3 November 2007 (UTC)
Cormaggio ^talk 15:09, 5 November 2007 (UTC)
SBJ 08:35, 16 June 2008 (UTC)
--SB_Johnny | ^talk 10:26, 14 July 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Rudbeckia fulgida

Solidago canadensis

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Profile for Solidago canadensis (Canada Goldenrod)

Identifying Characteristics
Habit:	Erect, colonizing herbaceous plant
Flowers:	Yellow heads held on compound panicles
Foliage:	Simple
Life Cycle:	Perennial
Similar Plants:	Solidago gigantea (shoot axis without hairs)

Recent Logs

Jomegat 04:05, 5 July 2010 (UTC)
Jomegat 19:46, 24 July 2010 (UTC)
User:TristanDolciano 01:28, 25 Aug 2019 (UTC)
(view all logs)

Global data:

Regional data and additional images for Solidago canadensis

Verbascum blattaria

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Profile for Verbascum blattaria (Moth Mullein)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^talk 11:34, 8 June 2008 (UTC)
--SB_Johnny | ^talk 09:42, 16 June 2008 (UTC)
--SB_Johnny | ^talk 09:00, 14 July 2008 (UTC)
(view all logs)

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

Regional data and additional images for Verbascum blattaria

Hemerocallis

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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

Jomegat 04:43, 6 June 2009 (UTC)
Jomegat 00:48, 22 July 2009 (UTC)
(view all logs)

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

Regional data and additional images for Hemerocallis

Oxalis stricta

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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

Jomegat 17:01, 27 May 2010 (UTC)
Anna reg 29 May 2010 (Photo)
(view all logs)

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

Regional data and additional images for Oxalis stricta

Euthamia graminifolia

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Profile for Euthamia graminifolia (Grass-leaves goldenrod)

Identifying Characteristics
Habit:	erect, clump-forming forb
Flowers:	flat-topped terminal clusters of small yellow heads

Recent Logs

--SB_Johnny | ^talk 13:46, 31 August 2007 (UTC)
SB Johnny-LM 09:23, 8 September 2007 (UTC)
--SB_Johnny | ^talk 14:08, 16 September 2007 (UTC)
--SB_Johnny | ^talk 12:59, 13 October 2007 (UTC) (a few still flowering)
--SB_Johnny | ^talk 10:35, 29 July 2008 (UTC) (last 2 weeks)
--SB_Johnny ^talk 18:28, 24 September 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Euthamia graminifolia

Rudbeckia hirta

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Profile for Rudbeckia hirta (Gloriosa Daisy)

Identifying Characteristics
Habit:	Upright herbaceous plant
Flowers:	Heads with brown disk florets and yellow or orange rays
Stem:	Hairy
Life Cycle:	Perennial
Similar Plants:	easily confused with Rudbeckia fulgida

Recent Logs

--SB_Johnny | ^talk 08:17, 19 June 2008 (UTC)
Ngravagna 17:57, 22 June 2008 (UTC)
--SB_Johnny | ^talk 10:27, 14 July 2008 (UTC)
Trinity507 20:55, 5 October 2009 (UTC)

(view all logs)

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

Regional data and additional images for Rudbeckia hirta

Oenothera

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Profile for Oenothera (Evening Primrose)

Identifying Characteristics
Habit:	Erect
Flowers:	Yellow, 4 petals

Recent Logs

Jomegat 03:13, 21 August 2008 (UTC)
Jomegat 12:41, 2 September 2008 (UTC)
Jomegat 22:48, 10 September 2008 (UTC)
Jomegat 21:18, 30 September 2008 (UTC)
(view all logs)

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

Regional data and additional images for Oenothera

Lactuca serriola

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Profile for Lactuca serriola (Prickly Lettuce)

Identifying Characteristics
Habit:	Upright herbaceous plant
Flowers:	Heads
Foliage:	Spined, simple
Stem:	Spined
Life Cycle:	Annual

Recent Logs

--SB_Johnny | ^talk 13:10, 7 July 2007 (UTC)
--SB_Johnny | ^PA! 09:15, 26 July 2007 (UTC)
--SB_Johnny | ^PA! 10:46, 3 August 2007 (UTC)
--Jomegat 16:02, 12 September 2007 (UTC)
--SB_Johnny | ^talk 19:02, 7 July 2008 (UTC)
Jomegat 02:55, 15 July 2008 (UTC)
--SB_Johnny | ^talk 10:01, 20 July 2008 (UTC)
Jomegat 17:14, 22 July 2008 (UTC)
--SB_Johnny ^talk 09:34, 21 August 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Lactuca serriola

Impatiens capensis

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Profile for Impatiens capensis (Jewelweed)

Identifying Characteristics
Habit:	Erect
Growing Conditions:	Moist soils
Fruit:	Explosive capsules
Life Cycle:	Annual

Recent Logs

Jomegat 04:04, 5 July 2010 (UTC)
Jomegat 19:46, 24 July 2010 (UTC)
(view all logs)

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

Regional data and additional images for Impatiens capensis

Chelidonium majus

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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

Jomegat 23:24, 5 May 2010 (UTC)
(view all logs)

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

Regional data and additional images for Chelidonium majus

Miscanthus sinensis

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Profile for Miscanthus sinensis (Miscanthus)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^talk 10:25, 31 August 2007 (UTC)
--SB_Johnny | ^talk 11:45, 15 September 2007 (UTC)
Ngravagna 22:43, 2 September 2008 (UTC)(var 'gaziella')
--SB_Johnny ^talk 11:50, 23 September 2008 (UTC)

(view all logs)

Global data:

Regional data and additional images for Miscanthus sinensis

Sonchus asper

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Profile for Sonchus asper (Spiny Sowthistle)

Identifying Characteristics
Habit:	erect herbaceous plant
Flowers:	yellow heads

Recent Logs

--SB_Johnny | ^PA! 15:10, 4 August 2007 (UTC)
--SB_Johnny | ^talk 11:07, 31 May 2008 (UTC)
--SB_Johnny | ^talk 13:59, 9 June 2008 (UTC)
--SB_Johnny | ^talk 10:33, 14 July 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Sonchus asper

Asclepias tuberosa

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Profile for Asclepias tuberosa (Butterfly Weed)

Identifying Characteristics
Habit:	Upright herbaceous plant
Stem:	hairy
Life Cycle:	Perennial

Recent Logs

--SB_Johnny | ^talk 08:39, 15 June 2008 (UTC)
--SB_Johnny | ^talk 09:46, 14 July 2008 (UTC)
--SB_Johnny | ^talk 22:26, 28 July 2008 (UTC)
--SB_Johnny ^talk 13:36, 17 August 2008 (UTC)
Wilderix (discuss • contribs) 15:11, 8 July 2013 (UTC)
Clarinetguy097 (discuss • contribs) 22:01, 20 June 2021 (UTC)
Clarinetguy097 (discuss • contribs) 19:00, 18 July 2021 (UTC)
(view all logs)

Global data:

Regional data and additional images for Asclepias tuberosa

Helianthus tuberosus

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Profile for Helianthus tuberosus (Jerusalem Artichoke)

Identifying Characteristics

Recent Logs

SBJ 11:00, 15 August 2007 (UTC)
Luai lashire 18:04, 15 August 2007 (UTC)
--Luai lashire 02:13, 23 August 2007 (UTC)
--SB_Johnny ^talk 13:12, 9 September 2008 (UTC)
Jomegat 02:47, 23 October 2009 (UTC)

(view all logs)

Global data:

Regional data and additional images for Helianthus tuberosus

Rudbeckia triloba

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Profile for Rudbeckia triloba (Browneyed Susan)

Identifying Characteristics
Habit:	upright forb, freely branching

Recent Logs

--Luai lashire 14:12, 9 September 2007 (UTC)
--SB_Johnny | ^talk 10:32, 10 September 2007 (UTC)
--Luai lashire 18:30, 22 September 2007 (UTC)
--SB_Johnny | ^talk 09:53, 3 October 2007 (UTC)
--SB_Johnny | ^talk 10:12, 17 November 2007 (UTC)
--SB_Johnny ^talk 11:56, 23 September 2008 (UTC)

(view all logs)

Global data:

Regional data and additional images for Rudbeckia triloba

Pilea pumila

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Profile for Pilea pumila (Clearweed)

Identifying Characteristics

Recent Logs

SB Johnny-LM 10:16, 14 August 2007 (UTC) (not blooming in same location Aug 6)
SB Johnny-LM 09:38, 8 September 2007 (UTC)
SB Johnny-LM 09:09, 16 August 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Pilea pumila

Acalypha rhomboidea

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Profile for Acalypha rhomboidea (Common Three-seeded mercury)

Identifying Characteristics
Flowers:	Tiny yellow flowers grow in leaf axils. Four sepals, female flowers are apetalous.
Foliage:	Thin, lanceolate leaves with crenate margins. Dark green above, purplish below.
Stem:	erect.
Life Cycle:	Annual

Recent Logs

(view all logs)

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

Regional data and additional images for Acalypha rhomboidea

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

--SB_Johnny | ^talk 10:29, 27 May 2008 (UTC)
--SB_Johnny | ^talk 09:48, 2 July 2008 (UTC)
--SB_Johnny | ^talk 10:21, 14 July 2008 (UTC)
Jomegat 23:20, 12 August 2008 (UTC)
Jomegat 17:59, 7 October 2008 (UTC)
Jomegat 16:31, 10 October 2008 (UTC)
(view all logs)

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

Regional data and additional images for Oxalis corniculata

Kirengeshoma koreana

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Profile for Kirengeshoma koreana (Kirengeshoma)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^PA! 09:58, 11 August 2007 (UTC)

(view all logs)

Global data:

Regional data and additional images for Kirengeshoma koreana

Coreopsis verticillata

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Profile for Coreopsis verticillata (Threadleaf Coreopsis)

Identifying Characteristics
Habit:	Colonizing herbaceous perennial
Flowers:	Heads
Foliage:	Narrow
Life Cycle:	Perennial

Recent Logs

--SB_Johnny | ^talk 12:29, 25 June 2007 (UTC)
--SB_Johnny | ^talk 10:01, 1 July 2007 (UTC)
--SB_Johnny | ^PA! 14:43, 29 July 2007 (UTC)
--SB_Johnny | ^PA! 11:07, 4 August 2007 (UTC)
SB Johnny-LM 09:08, 8 September 2007 (UTC)
--SB_Johnny | ^talk 09:51, 14 July 2008 (UTC)
--SB_Johnny ^talk 11:39, 25 August 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Coreopsis verticillata

Corydalis lutea

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Profile for Corydalis lutea (Yellow Corydalis)

Identifying Characteristics
Habit:	Mound-forming, colonizing herbaceous plant
Flowers:	Tubular, spurred, yellow
Foliage:	Pinnately compound, somewhat glaucus
Stem:	Weak, sappy
Fruit:	Explosive pods

Recent Logs

SB Johnny-LM 29 April 2008 (from written logs)
--SB_Johnny | ^talk 10:09, 17 May 2008 (UTC)
--SB_Johnny | ^talk 09:30, 27 May 2008 (UTC)
--SB_Johnny | ^talk 08:45, 2 June 2008 (UTC)
--SB_Johnny | ^talk 09:57, 20 July 2008 (UTC)
--SB_Johnny ^talk 11:55, 23 September 2008 (UTC)
(view all logs)

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

Regional data and additional images for Corydalis lutea

Agrimonia

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Profile for Agrimonia (Agrimony)

Identifying Characteristics

Recent Logs

--SB_Johnny | ^PA! 10:55, 25 August 2007 (UTC)
--SB_Johnny | ^talk 09:15, 1 September 2007 (UTC)
--SB_Johnny | ^talk 10:30, 29 July 2008 (UTC)
--SB_Johnny ^talk 10:28, 17 August 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Agrimonia

Lonicera japonica

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Profile for Lonicera japonica (Japanese Honeysuckle)

Identifying Characteristics
Habit:	Twining vine
Flowers:	In terminal clusters, tubular, white or yellow (both colors often appearing on the same plant)
Foliage:	Simple, opposite
Scent:	Flowers are sweetly scented
Life Cycle:	Woody perennial

Recent Logs

Duiarmia 20:47, 27 May 2008 (UTC)
--SB_Johnny | ^talk 10:56, 8 June 2008 (UTC)
--SB_Johnny | ^talk 10:00, 14 July 2008 (UTC)
(view all logs)

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

Regional data and additional images for Lonicera japonica

Cucumis sativus

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Profile for Cucumis sativus (Cucumber)

Identifying Characteristics
Habit:	Trailing or climbing vine, tendrilled
Foliage:	Palmately lobed
Fruit:	A pepo (the cucumber)
Life Cycle:	Annual

BCP/Cucumis sativus/Logs
(view all logs)

Global data:

Regional data and additional images for Cucumis sativus

Dahlia

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Profile for Dahlia (Dahlia)

Identifying Characteristics

Recent Logs

SB Johnny-LM 10:53, 15 August 2007 (UTC)
SBJ 18:24, 4 September 2007 (UTC)
SB Johnny-LM 09:16, 8 September 2007 (UTC)

(view all logs)

Global data:

Regional data and additional images for Dahlia

Rudbeckia laciniata

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Profile for Rudbeckia laciniata (Greenheaded Coneflower)

Identifying Characteristics
Habit:	Erect herbaceous plant
Flowers:	heads
Foliage:	deeply lobed on lover leaves, unlobed on upper leaves
Growing Conditions:	most common in moist to wet soils
Life Cycle:	perennial

Recent Logs

--SB_Johnny | ^talk 16:27, 19 August 2006 (UTC)
--SB_Johnny | ^talk 12:23, 28 August 2006 (UTC)
--SB_Johnny | ^PA! 11:24, 28 July 2007 (UTC)
--SB_Johnny | ^talk 09:43, 1 September 2007 (UTC)

(view all logs)

Global data:

Regional data and additional images for Rudbeckia laciniata

Solidago

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Profile for Solidago (Goldenrod)

Identifying Characteristics
Subclass plants:	Solidago canadensis, Solidago gigantea

Recent Logs

--SB_Johnny ^talk 10:34, 25 November 2008 (UTC)
(view all logs)

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

Regional data and additional images for Solidago

Rorippa sylvestris

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Profile for Rorippa sylvestris (Field Yellowcress)

Identifying Characteristics
Habit:	Spreading herb
Flowers:	Corymbs of yellow flowers, 4 yellow petals
Foliage:	Pinnatifid, dark green
Stem:	Purplish, flexible
Scent:	mild, mustard-like
Similar Plants:	Can be mistaken for Barbarea vulgaris or Barbarea verna

Recent Logs

--SB_Johnny | ^talk 12:22, 28 June 2008 (UTC)
--SB_Johnny | ^talk 10:26, 14 July 2008 (UTC)
--SB_Johnny ^talk 09:33, 23 September 2008 (UTC)
--SB_Johnny ^talk 11:42, 5 November 2008 (UTC)
(view all logs)

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

Regional data and additional images for Rorippa sylvestris

Asclepias curassavica

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Profile for Asclepias curassavica (Milkweed)

Identifying Characteristics

Recent Logs

SB Johnny-LM 10:20, 14 August 2007 (UTC)
SB Johnny-LM 08:41, 25 August 2007 (UTC)
SB Johnny-LM 09:02, 8 September 2007 (UTC)
SB Johnny-LM 10:18, 27 September 2007 (UTC)
SB Johnny-LM 11:18, 14 June 2008 (UTC)
SB Johnny-LM 09:43, 2 July 2008 (UTC)
SB Johnny-LM --SB_Johnny | ^talk 09:45, 14 July 2008 (UTC)
(view all logs)

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

Regional data and additional images for Asclepias curassavica

Ambrosia trifida

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Profile for Ambrosia trifida (Giant Ragweed)

Identifying Characteristics
Flowers:	Minute heads on dense spikes. Yellow, but appear green from a distance.
Foliage:	Rough-textured
Life Cycle:	Perennial

Recent Logs

--SB_Johnny | ^talk 12:23, 28 August 2006 (UTC)
--SB_Johnny | ^PA! 16:28, 4 August 2007 (UTC)
--SB_Johnny | ^PA! 11:38, 8 August 2007 (UTC)
--SB_Johnny | ^talk 09:17, 1 September 2007 (UTC)
--SB_Johnny ^talk 11:22, 10 August 2008 (UTC)
--SB_Johnny ^talk 10:30, 17 August 2008 (UTC)
(view all logs)

Global data:

Regional data and additional images for Ambrosia trifida

Helianthus x laetiflorus

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Profile for Helianthus x laetiflorus (Sunflower)

Identifying Characteristics
Habit:	erect, clump-forming

Recent Logs

SB Johnny-LM 10:38, 14 August 2007 (UTC) (cv. 'Lemon Queen)
SB Johnny-LM 10:35, 25 August 2007 (UTC)
--SB_Johnny | ^talk 10:16, 1 September 2007 (UTC)
--SB_Johnny | ^talk 07:20, 1 October 2007 (UTC)
--SB_Johnny | ^talk 10:27, 29 July 2008 (UTC)
--SB_Johnny ^talk 08:43, 15 August 2008 (UTC)
--SB_Johnny ^talk 08:29, 24 September 2008 (UTC)
(view all logs)

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

Regional data and additional images for Helianthus x laetiflorus

last updated 09:34, 18 October 2007 (UTC) with 36 plants