General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Plant Height: 3 to 4 feet
Fruit: Showy
Flowers: Showy
Fragrant
Flower Color: White
Other: Double white
Bloom Size: 6"-12"
Flower Time: Summer
Late summer or early fall
Fall
Underground structures: Taproot
Uses: Suitable as Annual
Wildlife Attractant: Bees
Butterflies
Resistances: Humidity tolerant
Drought tolerant
Toxicity: Other: All parts of plant are extremely toxic.
Propagation: Seeds: Needs specific temperature: 75ºF to 78ºF
Days to germinate: 3 to 6 weeks.
Depth to plant seed: Thinly sow, lightly covering with soil. Keep moist.
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Devil's Trumpet
  • Horn of Plenty
  • Downy Thorn Apple

Photo Gallery

Date: 2018-07-15
I started them from seeds from poisondartfrog
Location: Zone 9 Louisiana in my backyard
Date: 2018-09-06
Hand as comparison to show a large 5" flower
Location: all photos from my garden
Date: 2017-06-19
This plant is tagged in:
Image Image

Comments:
  • Posted by tabbycat (Youngsville, LA - Zone 9b) on Jul 20, 2018 9:34 AM concerning plant:
    I got seeds from poisondartfrog in the Nov. 2017 seed trade and planted them March 1, 2018. Most seeds sprouted so I had about 10 to share and kept 2. It's late July and the plants are 2 feet tall and just started flowering. She noted hers had a light yellow edge but the 1st three flowers have been true double, solid white flowers with a soft sweet fragrance. I love them, Thanks Alana!

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