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Nightshade

Solanum demissum

Also called Wild Potato

Solanum demissum is a wild potato from Mexico and Guatemala, grown mainly by breeders as a source of late blight resistance for cultivated potatoes rather than as a garden ornamental. It is grown outdoors in mild climates much like the common potato.

Family
Solanaceae (Nightshade family)
Grows as
Bulb
Light
Full sun
Water
Water regularly during growth and keep soil evenly moist, reducing when tubers mature.
Soil
Well-drained, loose loam rich in organic matter.
Temperature
15–25 °C; protect from frost.
How easy
Moderate
Safety
Toxic: Green leaves, stems, flowers and unripe berries contain glycoalkaloids (solanine and related compounds) that can cause nausea, vomiting and more serious effects if eaten.. Toxic to cats and dogs (ASPCA).
Native range
Mexico to Guatemala

About

Solanum demissum is a species of wild potato in the family Solanaceae, native to Mexico and Guatemala. It has been extensively used as a source of alleles for resistance to Phytophthora infestans, the cause of late potato blight, to improve the domestic potato Solanum tuberosum.

Other Solanum plants

Dwarf Tamarillo · Solanum acaule · Sodaapple nightshade · Ethiopian nightshade · American black nightshade · Solanum arcanum · New Zealand nightshade · Solanum berthaultii · Tamarillo · Solanum brevicaule · Solanum cajanumense · Bitter Apple

Text excerpted from the Wikipedia article Solanum demissum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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