Datura stramonium JIMSON WEED (20 seeds)

Jimsonweed, also known as Thorn Apple or Datura stramonium, is a fast-growing, shamanic, and very hardy herb. It is an annual plant from the Solanaceae family. Its origins trace back to several regions, notably the Americas, where it is native. It generally reaches a height of 60 to 80 cm.

Its highly fragrant leaves are wide, heart- or lance-shaped, and can reach up to 20 centimeters in length. They are deep green with a smooth texture and serrated edges. The spectacular, trumpet-shaped flowers measure up to 25 cm long and usually open in the late afternoon or evening, releasing a sweet, captivating scent. They are white, solitary, and stand proudly above the foliage.

The fruits are prickly capsules that form after flowering. These green capsules can reach the size of a tennis ball and contain numerous black seeds.

Jimsonweed seeds are black, slightly flattened, very resistant, and average 2 to 4 millimeters in diameter.

- Properties / Uses:

A Major Curiosity of Global Ethnobotany

Datura stramonium boasts an immensely rich cultural history, documented for millennia by explorers and botanists worldwide.
A highly toxic wild variety that must never be ingested or handled without care, this collector's species has endured through the ages as a major testament to the complex relationship between humans and the plant kingdom, holding a distinct place in traditional herbaria.

A Witness to History and Ancient Cultures

In the past, numerous traditional civilisations across various continents, particularly in North America, studied this variety within the context of their cultural traditions and ancient pharmacopoeia. Regarded as a fascinating subject of ethnobotanical study, it was respected by ancient peoples for its historical role in local herbaria.
Today, preserving these seeds at Ethnoplants is part of a strictly historical, botanical, and museum-oriented conservation approach.

Spectacular Landscaping Qualities

Beyond its historical past, Stramonium remains an absolutely spectacular ornamental plant for designing a collector's garden.
Its exceptionally rapid growth is accompanied by a dramatic bloom, featuring large, upright, trumpet shaped white flowers that open majestically at the end of the day.

- Germination and Sowing Seeds:

• The ideal period to sow Datura begins in March or April, as cool nights are necessary for natural stratification.
• Sow the seeds in groups of 5 or 6 in small 10 cm pots.
• Cover them with 1 centimeter of fine soil.
• Leave the pots outside during winter or cold-stratify them artificially for 4 to 6 weeks.
• Move the pots to a greenhouse in April at a temperature around 20°C.
• Germination generally starts after 4 to 6 weeks.

- Soil Type / Substrate:

It grows in well-drained soils, whether rich or poor in organic matter. While it adapts to various soil types, a light and mineral potting mix promotes better development.

- Exposure / Sunlight:

This herb thrives in sunny exposures and develops best under direct light. A full sun location is recommended to maximize flowering.

- Temperatures / Hardiness:

It grows in temperate climates and prefers warm temperatures, generally between 20 and 30°C. It does not tolerate frost and must be protected from temperatures below 0°C.

- Irrigation / Water Needs:

Water needs are moderate. Regular watering is necessary, especially during heatwaves, but it is important to avoid excess water which can lead to root rot.

- Multiplication:

Its primary mode of reproduction is by seeds. Propagation by cuttings is also possible but less common.

- Pests / Diseases:

It can be prone to various pests, including aphids, spider mites, and slugs. Fungal diseases may also affect the foliage, especially in cases of excessive humidity.

This article was written by Julien on 07/15/2026.