Sweet Coneflower (Rudbeckia subtomentosa 'Henry Eilers') in the Black Eyed Susans Database

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Common names:
Give a thumbs up Sweet Coneflower
Give a thumbs up Quilled Brown Eye Susan
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8b
Plant Height: 3 to 6 feet (plus)
Plant Spread: 1 to 3 feet
Leaves: Fragrant
Other: dark grey-green
Fruit: Edible to birds
Flowers: Showy
Other: There's a quilled aspect to the yellow flower petals, which are rolled (as opposed to flat).
Flower Color: Yellow
Other: Brown center eye
Bloom Size: 2"-3"
Flower Time: Summer
Uses: Cut Flower
Will Naturalize
Wildlife Attractant: Butterflies
Resistances: Deer Resistant
Propagation: Other methods: Division


What's Blooming in SeptemberWhat's Blooming in September
September 15, 2011

This article is the second in a new series at All Things Plants. On the 15th of each month I'll highlight plants blooming here at Cottage-in-the-Meadow Gardens. I'll have photos and will discuss the plants featured. You're invited to discuss these plants, too, but just as important, you're encouraged to show us what's blooming in your garden each month. There is also a monthly contest called "Name that Bloom." The first person to correctly identify the plant will have a photo of his/her choice published and featured the following month. Be sure to check out this month's mystery flower at the end of this article.

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Posted by jmorth (central Illinois) on Dec 3, 2011 3:26 AM

Original plant was found about 30 miles south of where we live. Introduced in 2003.
Appreciates air circulation and is essentially disease and pest free. Deadheading lengthens bloom operation.

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Posted by mom2goldens (Carmel, IN - Zone 5a) on Dec 4, 2011 8:51 AM

This plant grows fairly tall, but is sturdy and has not required any staking. Long bloom period, especially if kept deadheaded. In my garden, this plant blooms until first frost.

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Dec 4, 2011 3:06 PM

This plant grew exceptionally well during this, its first year, here. The bloom season was very long and it was one of the last plants to cease blooming. It appears very hardy here and relatively trouble-free.

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Posted by clintbrown (Medina, TN - Zone 7b) on Feb 23, 2013 11:41 PM

Blooms all summer and is very reliable and hardy.

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Aug 27, 2013 7:43 AM

This plant has exceeded my expectations. It has grown to about 7 feet here and is spreading. Like most black-eyed susans, the spread is fairly aggressive once the plant is established. It has a long blooming season and is wonderful in my butterfly garden. It doesn't seem to be bothered by diseases.

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Plant Events from our members
lovesblooms On January 15, 2017 Seeds sown
MrsBinWY On January 21, 2018 Seeds sown
WS seeds from seedrat
MrsBinWY On February 5, 2017 Seeds sown
coffee filter in baggy in fridge; 30 days; sowed everything from deejay49 (can't tell if any seeds); put in milk jug 3-10-17, put on back patio; gave up on these 5-26-17
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Very, very nice... by wcgypsy Mar 2, 2013 4:47 AM 2
Floral Alphabet Soup: Rrrrrrrr! by KatEnns Apr 1, 2018 2:26 AM 15
Haves and wants by Joy Jul 23, 2015 4:24 PM 6
August color by Bonehead Aug 30, 2013 9:04 PM 12
What's blooming in 2013? by virginiarose Dec 18, 2015 8:26 PM 1,768
My favorite rudbeckia by Pattyw5 Jan 30, 2013 8:26 PM 53
Perennial plant of the week- Rudbeckias by virginiarose Apr 19, 2012 4:52 AM 21
Long blooming perennials by gardenersdetective Jun 3, 2014 8:22 AM 159
Show Us Your Cottage Garden & Chat (October 2011) by sandnsea2 Nov 6, 2011 8:31 AM 185
Show us your Cottage Garden & Chat (September 2011) by ge1836 Oct 1, 2011 11:29 AM 149
Show Us Your Garden 4 by boojum Sep 5, 2010 6:44 AM 354

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