Datura Metel cv. 'Black' Seeds 12x

⚠ CAUTION ⚠ Poisonous plant! Any part of this plant can be fatal if ingested by humans, and cats have also been known to eat leaves and react badly.

⚠ CAUTION ⚠ Potentially invasive plant! Datura plants have potential to reproduce prolifically in the right climates. Please take care to prevent seeds from reaching the wild if this specific species of Datura does not grow in your area.
 
• Common Name: Devil's Trumpet, Hindu Datura
• Species: Datura metel
• Cultivar: 'Black' (NOT 'Double Black'!)
• USDA Zone: Annual in 5-7, short-lived perennial in 8-10
• Sun: Full sun to partial shade
• Soil: Well-draining organic soil. 70-80% potting soil mixed with 20-30% cactus soil or perlite may be one easily accessible option.
• Water: Frequently. I personally water every 1-3 days when it's 85° F or more, and 3-7 days when cooler. If leaves begin to droop despite frequent watering, it is overwatered and you should water less frequently.
• Fertilizer: Frequently during hotter periods for vigorous growth, but will also do just fine on lower amounts of fertilizer. When growth slows down in the colder season, fertilizer should begin to be applied less frequently. 
 
"Datura metel is a shrub-like annual (zone 5-7) or short-lived, shrubby perennial (zone 8-10), commonly known in Europe as Indian Thornapple, Hindu Datura, or Metel and in the U.S.A. as Devil's Trumpet or Angel's Trumpet. Datura metel is naturalised in all the warmer countries of the world - notably in India, where it is known by the ancient, Sanskrit-derived, Hindi name धतूरा (dhatūra) -from which the genus name Datura is derived, and in Tamil as ஊமத்தை (ūmattai). The plant is cultivated worldwide, both as an ornamental and for its medicinal properties, the latter being due (like those of all Datura species) to its tropane alkaloid content. 
 
The overwhelming majority of those who describe their use of Datura find their experiences extremely unpleasant both mentally and often physically dangerous. However, anthropologists have found that indigenous groups, with a great deal of experience with and detailed knowledge of Datura, have been known to use Datura spiritually (including the Navajo and especially the Havasupai). Adequate knowledge of Datura's properties is necessary to facilitate a safe experience." (via Wikipedia)
 
See this thread for a guide on how to store the tuberous root of the Datura plant after the growing season ends. This is useful if you live in a climate suitable for annual growth but not perennial growth, and do not have indoor space for the datura: https://davesgarden.com/community/forums/t/1051779/#b
 
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• No shipments to Louisiana or other locations which have outlawed the cultivation of Datura.
• International customers assume any risk of seeds being held up in, or seized by, customs - but Datura is a pretty hardy plant. I'd expect them to grow even if the seeds take a while to reach you, but I can't guarantee it.