Past Plants of the Day forum: Daylily of the Day: Joan Senior

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Name: Jon Whitinger
Jacksonville, TX (Zone 8a)
Hosted a Not-A-Raffle-Raffle Hybridizer Garden Photography Daylilies Region: Texas Celebrating Gardening: 2015
Forum moderator
Nov 26, 2015 6:01 PM CST

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Background history:

'Joan Senior' is a evergreen diploid introduced in 1977 by Durio.

It has earned the following AHS awards:
LAA: 1990
JC: 1977
Honorable Mention: 1981
Award of Merit: 1984

This plant can be found in the ATP Plant Database at:
Daylily (Hemerocallis 'Joan Senior') .

Please join in, if you own this plant! We would love to know more! I award an acorn for performance information posted to this thread.

Also, please consider adding a "Local Report" to the ATP Plant Database! Thank you!

Daylily (Hemerocallis 'Joan Senior')
Name: DND
SE Michigan (Zone 6a)
Dog Lover Daylilies Organic Gardener Houseplants Celebrating Gardening: 2015 Garden Ideas: Level 1
I helped beta test the first seed swap
Nov 26, 2015 7:05 PM CST
Joan senior is a great near-white with a nice, thick scape and bloomed well even though I transplanted it twice after purchasing it. It's a toughie.

It has a good deal of green undertones to the bloom, but gets a pretty, near-white color after a few hours of direct sunlight. It had a relatively long bloom time and the blooms have a good consistency.

It isn't my favorite near-white, but I am still glad I have it. It is very pod fertile and it's definitely pollen fertile. Aside from my Royal Frosting plant, it is probably my most fertile near-white. (It beats out Titan of Ice, Gentle Shepherd, Lyonnesse, my near-white-NOID, and possibly Heavenly Angel Ice.) Keep in mind, though, that all of these are first-year plants for me, so this all relates to toughness and fertility for first-year planting.
Name: Maryl
Oklahoma (Zone 7a)
Cat Lover Roses Daylilies Container Gardener Plant Lover: Loves 'em all! Cactus and Succulents
Region: Oklahoma Enjoys or suffers hot summers
Nov 27, 2015 1:30 AM CST
Joan Senior is one of those daylilies that I call my bread and butter daylilies. It just is such a good plant. Blooms forever it seems with no muss and no fuss. I am not partial to white daylilies - especially those so called whites that have a base color reminiscent of parchment paper (which is really a pale muddy peach). But Joan starts off white and stays white. Next to a pure white rose you can see that she's not really as bright a white as it is, but with no other whites around her for comparison she's white as white can be. She's in full sun and the blooms do very well even in our heat...........Maryl
Name: Jeanie
Minnesota (Zone 4a)
Replace your lawn with a garden!
Enjoys or suffers cold winters Plant Lover: Loves 'em all! Garden Procrastinator Daylilies Bee Lover Sedums
Hostas Dog Lover Xeriscape Region: Minnesota Heucheras Butterflies
Nov 27, 2015 7:09 AM CST
Joan Senior is one of the longest blooming daylilies here. She is a tall daylily with a thick, sturdy scape and a large flower. I notice that if she is in a shadier area the color tends to become more like a pale lemon yellow, but still very attractive. I am generally partial to color but find that a few white or yellow flowers in the garden set off the colors and provide some vibrance to the overall composition. Joan Senior is a high quality daylily and would be a good addition to any garden.
Old gardeners never die. They are just pruned and repotted.
Name: Debbie
Manitoba, Canada (Zone 3a)
Hostas Cat Lover Annuals Bulbs Container Gardener Critters Allowed
Enjoys or suffers hot summers Houseplants Foliage Fan Butterflies Bee Lover Native Plants and Wildflowers
Nov 27, 2015 7:55 PM CST
Joan Senior offers a quiet elegance to the garden, a respite from all the colours that sometimes can be "in your face." I love her creamy and lemony shadings depending on the light conditions. She is a long bloomer, later in the season for me. Joan is a Daylily that I would always have in my garden.
Name: Glen Ingram
Macleay Is, Qld, Australia (Zone 12a)
Region: Australia Annuals Canning and food preservation Herbs Tropicals Foliage Fan
Plays in the sandbox Cactus and Succulents Garden Photography Hybridizer Composter Sedums
Nov 29, 2015 5:14 AM CST
Joan Senior usually blooms here in the last week of October or early November. It does not die back in winter and acts like an evergreen. It increases easily and flowers well. I have not seen any proliferations on the scapes. It has some rust resistant and I would rate it about 2. I have not hybridised with it but it readily gets bee pods. It reblooms often as late as February.
Thumb of 2015-11-29/Gleni/4d295a
Thumb of 2015-11-29/Gleni/bde350
Thumb of 2015-11-29/Gleni/42686b

There are so many things I have not seen. A bear would be good.
[Last edited by Gleni - Nov 29, 2015 5:21 AM (+)]
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Name: Karen
Southeast PA (Zone 6b)
Celebrating Gardening: 2015
Nov 29, 2015 4:42 PM CST
Joan Senior is my first daylily purchase along with Fairy Tales Pink. It is a reliable bloomer and increases well every year. Its white color and profusion of blooms serves as a nice backdrop for other daylilies.

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