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American Black Nightshade

Solanum americanum

Also listed as Solanum nodiflorum, Solanum photeinocarpum

Also known as American Nightshade, Glossy Nightshade, Smallflower Nightshade

herbaceous☀️ full sun💧💧 moderate water❄ Hardy: Zone 9a – Zone 12b

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A weedy herbaceous plant with small white flowers and black berries, native to the Americas. It is invasive in many regions and typically treated as an undesirable volunteer in gardens.

Why grow it

American black nightshade produces edible berries and is far hardier and more cold-tolerant than commercial Solanum species like garden huckleberry, making it useful for temperate permaculture systems where other Solanum crops struggle. The plant establishes quickly from seed and requires minimal inputs once established, though yields and berry size are modest compared to improved cultivars.

Watch out for

Self-seeds readily and can persist in disturbed soil, so containment may be necessary if you want to prevent volunteer plants in adjacent beds. Berries develop full sweetness only when fully ripe and black, and immature green berries contain higher concentrations of alkaloids.

Overview

Form
Upright
Growth Rate
fast
Size
1–3′ tall × 1–2′ wide
Dormancy
evergreen
Family
Solanaceae
EdibleMedicinal

Native to the United States

Native Range

Central and South America

Native to: Alabama, Arizona, California, Florida, Georgia, Louisiana, Mississippi, Oregon, Texas, Washington

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Edible Parts

fruitleaf

Season of Interest

SummerFall

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Companion Planting

Plants well with