The Main Plant entry for Black Eyed Susans (Rudbeckia)

This database entry exists to show plant data and photos that apply generically to all Black Eyed Susans.

Common names:
Give a thumbs up Black Eyed Susan
Give a thumbs up Gloriosa Daisy
Give a thumbs up Black-Eyed Susan
Give a thumbs up Common Black-Eyed Susan
Give a thumbs up Brown-Eyed Susan
Give a thumbs up Yellow Ox-Eye Daisy

General Plant Information (Edit)
Plant Habit: Herb/Forb
Flowers: Showy

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Photo gallery:
Location: central IllinoisDate: 2011-06-27Self-seeded crosses & a Purple Cone Flower
By jmorth
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Location: Pleasant Grove, UtahDate: 2009-07-11
By Paul2032
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Location: Western KentuckyDate: Late summer 2010Fast growing and heavy blooming in full sun.
By Sharon
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Location: Pleasant Grove, UtahDate: 2011-07-06Darkest volunteer so far
By Paul2032
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Location: Pleasant Grove, UtahDate: 2009-07-05
By Paul2032
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Location: Cincinnati, OhDate: June 2009Green-eyed rudbeckia hirta
By kqcrna
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Date: 2014-09-10
By Paul2032
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Location: My Northeastern Indiana Gardens - Zone 5bDate: 2010-07-09
By chelle
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Location: Garden 1Date: 2013-08-27Raised from annual seeds.
By Alya
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Location: Garden 2Date: 2013-08-27I have seen only this particular butterfly go for the Rudbecka.
By Alya
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Location: Pleasant Grove, utahDate: 2009-07-11Double
By Paul2032
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Location: central IllinoisDate: 2009-07-10
By jmorth
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Location: central IllinoisDate: 2011-07-05
By jmorth
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Courtesy Outsidepride
By vic
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Location: central IllinoisDate: 2013-06-29
By jmorth
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Location: central IllinoisDate: 2008-07-07
By jmorth
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Date: 2015-07-06
By Paul2032
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Date: 2015-07-16
By Paul2032
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Location: TarltonDate: 2017-09-07
By m33jones2
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Location: Beautiful Tennessee,  Cade's Cove Date: 2018-09-13
By chickhill
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Location: Pleasant Grove, UtahDate: 2009-07-11
By Paul2032
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Location: Cincinnati, OhDate: June 2009Green-eyed rudbeckia hirta
By kqcrna
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Location: Pleasant Grove, UtahDate: 2011-07-06
By Paul2032
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Location: my garden, Gent, BelgiumDate: 2008-08-14
By bonitin
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Location: My Northeastern Indiana Gardens - Zone 5bDate: 2011-09-14Wintersown seedling.
By chelle
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Location: central IllinoisDate: 2009-07-05Bizarre
By jmorth
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Location: central IllinoisDate: 2009-06-30
By jmorth
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Location: central IllinoisDate: 2011-06-29
By jmorth
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Date: 2013-07-24
By Paul2032
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Location: Garden 2Date: 2013-09-20Different colours are all in one plant that came out of one singl
By Alya
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Location: Denver, ColoradoDate: JulyThese eye-catching flowers have petals the color of the sun.
By ckatNM
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Date: 2014-06-16
By Paul2032
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Date: 2014-06-16
By Paul2032
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Date: 2014-07-02
By Paul2032
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Location: central IllinoisDate: 2014-08-01Twisted Rudy
By jmorth
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Date: 2014-08-05
By Paul2032
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Location: central IllinoisDate: 2014-10-17
By jmorth
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Date: 2014-09-05
By Paul2032
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Location: Fountain, FloridaDate: 2015-07-02
By gingin
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Location: central IllinoisDate: 2016-09-30#pollination
By jmorth
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Location: Athol, MADate: 2017-08-28
By joannakat
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Location: KentuckyDate: 2018-06-14seems to have some type of mutation
By oranges
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Location: Pleasant Grove, UtahDate: 2009-07-05
By Paul2032
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Location: my garden, Gent, BelgiumDate: 2007-05-14
By bonitin
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Location: my garden, Gent, BelgiumDate: 2007-08-09self set beside my pond..
By bonitin
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Location: Kalama, WaDate: 2010-08-10
By Joy
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Location: Kalama, WaDate: 2008-06-29
By Joy
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Date: 2012-07-07
By Paul2032
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Location: central IllinoisDate: 2012-07-30
By jmorth
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Location: My Northeastern Indiana Gardens - Zone 5bDate: 2012-06-22
By chelle
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Date: 2013-07-12With Phlox
By Paul2032
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Location: central IllinoisDate: 2008-07-02
By jmorth
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Date: 2014-07-02
By Paul2032
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Date: 2014-07-20
By Paul2032
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Date: 2014-08-28
By Paul2032
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Location: central IllinoisDate: 2008-06-22
By jmorth
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Location: central IllinoisDate: 2008-07-06
By jmorth
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Location: central IllinoisDate: 2008-07-13
By jmorth
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Location: central IllinoisDate: 2010-06-24
By jmorth
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Date: 2014-09-05
By Paul2032
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Location: Fountain, FloridaDate: 2015-07-02shows the "hairs" on the stem
By gingin
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Location: Fountain, FloridaDate: 2015-07-02
By gingin
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Date: 2015-07-02
By Paul2032
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Date: 2015-07-06
By Paul2032
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Date: 2015-07-06
By Paul2032
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Date: 2015-07-20
By Paul2032
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Location: CZ Sirem My gardenDate: 4000-08-16
By admin
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Location: central IllinoisDate: 2015-09-23
By jmorth
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Location: Manitoba, CanadaDate: 2015-07-20
By DebbieC
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Date: 2014-08-23
By bwv998
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Date: 2016-07-23
By Paul2032
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Location: central IllinoisDate: 2016-10-07
By jmorth
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Date: 2011-11-23
By drbeasle
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Date: 2014-09-05
By Paul2032
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Location: Athol, MADate: 2017-07-26Soon to bloom.
By joannakat
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Location: Canada
By Prosedda
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Location: KentuckyDate: 2018-06-14
By oranges
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Location: Coastal San Diego County Date: 2018-07-12
By carlysuko
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Location: Botanical Gardens of the State of Georgia...Athens, GaDate: 2018-09-09Rudbeckia - Black Eyed Susan 001
By dawiz1753
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Location: In my garden in Kalama, Wa.Date: 2006-07-29
By Joy
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Location: In my garden in Kalama, Wa.Date: 2007-08-23
By Joy
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Location: In my garden in Kalama, Wa.Date: 2007-08-20
By Joy
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Location: In my garden in Kalama, Wa.Date: 2007-08-23
By Joy
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Location: central IllinoisDate: 2011-06-16
By jmorth
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Location: central IllinoisDate: 2011-06-21
By jmorth
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Location: In my garden in Kalama, Wa.Date: 2009-07-08
By Joy
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Location: In my garden in Kalama, Wa.Date: 2009-07-12
By Joy
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Location: central IllinoisDate: 2012-08-06note the hairy pubescence on stems
By jmorth
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Courtesy Sustainable Seed Company
By vic
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Location: central IllinoisDate: 2013-06-27
By jmorth
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Location: central IllinoisDate: summer 2007
By jmorth
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Location: central IllinoisDate: 2014-06-01re-seeder
By jmorth
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Location: central IllinoisDate: 2014-06-04
By jmorth
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Location: central IllinoisDate: 2014-06-04
By jmorth
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Location: central IllinoisDate: 2009-08-02
By jmorth
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Photo courtesy of: Tom Potterfield
By admin
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Location: central IllinoisDate: 2011-07-09
By jmorth
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Location: central IllinoisDate: 2011-06-18
By jmorth
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Location: central IllinoisDate: 7-5-11
By jmorth
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Location: central IllinoisDate: 8-14-11Not the mantis right of center.
By jmorth
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Location: central IllinoisDate: 2015-02-17
By jmorth
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Location: central IllinoisDate: 8-18-11Mantis loose in world of flowers...
By jmorth
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Location: Fountain, FloridaDate: 2015-07-02
By gingin
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Location: central IllinoisDate: 2012-08-30
By jmorth
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Location: central IllinoisDate: 8-9-11
By jmorth
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Image
By jmorth
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By paulaf
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Location: central IllinoisDate: 2017-07-05
By jmorth
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Location: Round flower boxDate: 2017-08-01First year growing plant
By Agoo
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Location: Sangamon Co. Il.Date: 2018-05-20
By Deby
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Comments:
Posted by jmorth (central Illinois) on Dec 1, 2011 3:19 AM

Definitely one of my favorite flowers. Years ago my garden received its first Rudbeckia hirta. I'm not sure which variety came first; it performed well, and to my delight some of the originals survived that winter. The following spring I noted quite a few new seedlings and ascertained it was a self-seeder. The winter before that spring, I'd started a couple of different varieties under lights in the basement, subsequently transplanting them into the garden, where they (and the few survivors and their offspring) again made a most favorable impression on me. The next season, I started yet another variety or two and translocated those new plants in amongst the ones already in the garden. This was probably the first time I noted some of the self-seeded ones weren't necessarily like their parents in form or bloom. Some of these new forms displayed distinguishable characteristics of different parental lines on the same plant! I concluded the original varieties were getting crossed naturally and their offspring would inevitability present different characteristics. The originals planted in those formulative gardening years were Cherokee Sunset, Green Eyes, Prairie Sun, Chim Chiminee, and Irish Eyes.
Every season thereafter has found me in a state of eager anticipation as to what new presentations I would discover where the 'Rudy's' grow. Every year since, something new has blessed my visual palette. Some are amazingly beautiful, some downright bizarre, but always something new. I'll post some of my favorites here so that you may enjoy their unique manifestations yourself.

To assure a decent return, I've stopped mulching that area of the garden. Unmulched ground produces a higher seedling-return ratio.
A couple of years ago I introduced a new variety into the mix, Cherry Brandy, and I have started to see some of its characteristics assimilated into these 'self-crossed' mixes' offspring.

(Actually, my first photo (photographed 6-27-11) above illustrates what I just described).

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Posted by Paul2032 ( Utah - Zone 5b) on Jun 30, 2012 2:09 PM

Over 40 years ago, before I got married and left my parents' home, I went to a nursery and saw Rudbeckia for the first time. I bought several,plants and took them home for my parents' garden. My dad did not like them...he thought they looked like sunflowers, which to him were weeds. He planted them and they began to naturalize around his yard. He grew to love them because they are so willing. The ones in my garden are descendants of those original plants. Each year they move around my garden, but they are always welcome because they provide color during those hot summer days. Mine are single, double, yellow, and yellow with different eye patterns. Love them with Echinaceas, which also naturalize in my yard.

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Posted by Newyorkrita (North Shore, Long Island, NY ) on Oct 3, 2011 7:22 PM

Black-eyed susan is a common reseeder in my garden. I never know where the next plant might pop up. There are many fancy varieties available at the nurseries, but no matter which type I try, they all seem to reseed to the old-fashioned single yellow variety. No matter, as that is my favorite anyway.

Rita on the north shore of Long Island, New York zone 6/7, where it is humid during our Long Island summers.

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Posted by jmorth (central Illinois) on Jul 4, 2012 5:25 PM

Regarding perennial vs annual:
I would characterize most Rudbeckias as short-time perennials best treated as annuals. Most have the ability to return in following years, but in my experience they seldom do. The reason for that here is climate variability. If you live in an area that is subject to freezes and thaws, some plants are very susceptible to heaving. Rudbeckia is such a plant. Root exposure to the elements can cause a plant's demise.
That said, it should be noted that a couple of varieties of Rudbeckia can be viewed as perennial border essentials as they reliably return (and usually expand) year after year. Prime example of the reliable kind is Rudbeckia fulgida 'Goldsturm.' Another is R. nitida 'Herbstsonne.'
Rudbeckia hirta are the non-reliable species. However, R. hirta do self-seed easily. Different varieties of R. hirta can easily cross, which may manifest, in the subsequent season's display, unique characteristics from both cultivars in the same plant.

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Posted by Marilyn (Northern KY - Zone 6a) on May 22, 2013 7:59 PM

"Rudbeckia hirta, black-eyed Susan, is a species of flowering plant in the family Asteraceae, native to the central United States. It is one of a number of plants with the common name black-eyed Susan. Other common names for this plant include: brown-eyed Susan, brown Betty, gloriosa daisy, golden Jerusalem, Poorland daisy, yellow daisy, and yellow ox-eye daisy.

It is an upright annual (sometimes biennial or perennial) growing 12–39 inches tall by 12–18 inches wide. It has alternate, mostly basal leaves 10–18 cm long, covered by coarse hair, with stout branching stems and daisy-like, composite flowers appearing in late summer and early autumn. In the species, the flowers are up to 4 inches in diameter, with yellow ray-florets circling conspicuous brown or black, dome-shaped disc-florets. However, extensive breeding has produced a range of sizes and colours, including oranges, reds and browns.

Butterflies are attracted to Rudbeckia hirta when planted in large color-masses."

Taken from wikipedia's page at: http://en.wikipedia.org/wiki/R...

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Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jul 2, 2018 9:03 PM

This genus is composed of about 15 species of annuals, biennials, and perennials native to North America of the Composite or Aster Family. The name comes from being named after Olof Rudbeck, a Swedish botanist who lived from 1630 to 1702.

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Plant Events from our members
piksihk On June 16, 2015 Plant Ended (Removed, Died, Discarded, etc)
piksihk On April 16, 2015 Seeds germinated
pot
MrsBinWY On March 24, 2018 Potted up
8
MrsBinWY On February 3, 2018 Seeds germinated
5
MrsBinWY On January 20, 2018 Seeds sown
Milk jug in sun porch; 16 seeds from 2017 garden.
MrsBinWY On April 15, 2017 Potted up
10
MrsBinWY On February 25, 2017 Seeds germinated
6 already germinated in fridge, so put all 16 in a milk jug 2-26-17 & moved to sun porch.
MrsBinWY On February 18, 2017 Seeds sown
coffee filter in baggie in fridge for 60 days; 16 seeds from mix from luvsgrtdanes
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Rudbeckia and Lilies by lovemyhouse Jan 30, 2012 2:32 AM 1
Rudbeckia ID by Calif_Sue Aug 8, 2015 10:51 PM 2
Misidentified? by zuzu Jun 9, 2016 4:18 AM 0
Is this really Rudbeckia triloba? by zuzu Jun 9, 2016 4:20 AM 0
Can you identify this plant for me please by Vadeep Sep 28, 2018 7:25 PM 6
Banner for September 11, 2018 by EscondidoCal by EscondidoCal Sep 13, 2018 5:22 PM 7
What the [bleep] are these little critters? by joannakat Sep 9, 2018 2:26 PM 7
What am I? by foraygardengirl Aug 16, 2018 1:07 PM 2
Help with ID by treehugger Aug 12, 2018 7:19 AM 5
Mysterious plant by unkveg18 Jul 29, 2018 10:51 AM 6
Alternative to Bee Balm by Gschnettler Oct 15, 2018 8:22 AM 3
Color Echoes for Annual Gardens by ge1836 Aug 27, 2018 12:04 PM 11
Collecting seeds 2017-18 by piksihk Sep 15, 2018 1:31 PM 6
1 weed 1 beauty needs ID by Fredmertz Jul 14, 2018 8:33 PM 2

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