General Plant Information (Edit)
Plant Habit: Vine
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Leaves: Unusual foliage color
Evergreen
Flowers: Showy
Fragrant
Flower Color: Purple
Flower Time: Late summer or early fall
Other: Seasonal
Uses: Suitable as Annual
Propagation: Seeds: Needs specific temperature: Germinates best at 68-72 deg F
Days to germinate: 14-21
Depth to plant seed: 1/2 inch
Other info: Seeds should be planted on edge
Propagation: Other methods: Cuttings: Stem
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Cup and Saucer Vine
  • Cathedral Bells
  • Purple Jedra

Photo Gallery
Location: Botanical Garden of the University of Münster
Date: 2017-09-19
Location: Vermont
Date: 2010-09-23
Location: My garden, KY
Date: July 2020
Location: NE Washington
Date: August 2011
Cobaea scandens (purple) front view
Location: Botanical Garden of the University of Münster
Location: In my garden
Date: Sept.
Location: Botanical Garden of the University of Münster
Location: Monte Verde, Costa Rica | Old Photo
Date: 2022-12-21

Photo courtesy of Annie's Annuals and Perennials

Date: April 2009
Location: NE Washington
Date: August 2011
Cobaea scandens (purple) side view
Location: In my garden in Kalama, Wa.
Date: Mid Summer
  • Uploaded by Joy
Location: Botanical Garden of the University of Münster
Date: 2017-09-19
Location: Northwest N.J.
Location: NE Washington
Date: August 2011
Cobaes scandens (purple) leaves and tendrils

 Photo Courtesy of Select Seeds. Used with permission.
  • Uploaded by Joy
Location: all photos from my garden
Date: 2009-07-18

Credit florum

Credit florum
Location: NE Washington
Date: August 2011
Cobaea scandens (purple) bud
Photo by Joannabanana

Credit florum
Location: Vermont
Date: 2010-11-17
Location: Vermont
Date: 2010-09-23

Credit florum
Comments:
  • Posted by poisondartfrog (SE Kentucky - Zone 7a) on Jul 13, 2020 8:05 AM concerning plant:
    This plant reaches upward quickly and is a good subject for covering a naked support. I sometimes forget how much I like it. It never seems to get pollinated in my garden despite being a popular destination for hummingbirds and bees, and I was never able to collect seeds until a few years ago when I had success hand pollinating between flowers.
  • Posted by janelp_lee (Toronto, Ontario - Zone 6a) on Jan 4, 2020 10:24 PM concerning plant:
    Fast growing flowering vine. Very interesting and showy flowers, the flower changing color from day 1 very pale to day 3 darker color. Easy to root from cuttings as well as easy to germinate from seeds. Very popular choice for high fence or arbour/pergola.
Plant Events from our members
piksihk On November 26, 2016 Obtained plant
botanical interests - blue and white blend
lovesblooms On February 4, 2017 Seeds sown
indoors
ShawnSteve On July 5, 2021 Plant Ended (Removed, Died, Discarded, etc)
ShawnSteve On June 30, 2019 Seeds sown
Sowed again, as seeds overheated in direct sun, exposure. Overwintered one plant indoors.
antsinmypants On March 10, 2021 Seeds sown
Indoors under lights
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