Black Nightshade
Solanum nigrum
Last reviewed: August 2026

Black Nightshade is toxic to dogs and cats.
Listed as toxic by the ASPCA Animal Poison Control Center (opens in new tab) (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.
Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.
Light
part shade
Water
medium
Size
6"–24" H × 6"–18" W
Bloom
Jun, Jul, Aug, Sep
Pollinators
bees, flies, beetles
Native alternatives to Black Nightshade
Black Nightshade is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBlack nightshade is a low-growing annual herb with small white flowers followed by dark berries. This weedy plant often appears in disturbed soils and garden beds without invitation. All parts of the plant are potentially toxic, making it unsuitable for most residential landscapes.
In an HOA neighborhood
Black Nightshade takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
- Considered a weedy species
- Toxic berries pose safety concerns
- Unpredictable self-seeding habit
Wildlife value
The small white flowers attract bees, flies, and beetles during the summer months. Birds may eat the berries, though the plant's toxic properties limit its overall wildlife value.
Common questions
- How much sun does Black Nightshade need?
- Black Nightshade grows best in part shade conditions.
- When does Black Nightshade bloom?
- Black Nightshade blooms in June, July, August, and September.
- Is Black Nightshade toxic to dogs?
- Yes. Black Nightshade is listed as toxic to dogs by the ASPCA Animal Poison Control Center (aspca.org). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
- Is Black Nightshade toxic to cats?
- Yes. Black Nightshade is listed as toxic to cats by the ASPCA Animal Poison Control Center (aspca.org). If your cat has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435.
- What pollinators does Black Nightshade attract?
- Black Nightshade draws bees, flies, and beetles.
- Is Black Nightshade HOA-friendly?
- Black Nightshade takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Pollinator Patch flags toxic plants like Black Nightshade and shows pet-safe natives for your ecoregion instead.
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