North America Native Plant

Dwarf Nightshade

Botanical name: Solanum pumilum

USDA symbol: SOPU9

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Solanum carolinense L. var. hirsutum (Nutt.) A. Gray (SOCAH2)   

Dwarf Nightshade: A Rare Native Gem That Deserves Our Attention If you’ve stumbled across the name dwarf nightshade in your native plant research, you’ve discovered something quite special – and quite elusive. Solanum pumilum, known by the common names dwarf nightshade and Carolina horsenettle, is one of those native plants ...

Rare plant alert!

Region: Alabama

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Region: Alabama

Dwarf Nightshade: A Rare Native Gem That Deserves Our Attention

If you’ve stumbled across the name dwarf nightshade in your native plant research, you’ve discovered something quite special – and quite elusive. Solanum pumilum, known by the common names dwarf nightshade and Carolina horsenettle, is one of those native plants that makes botanists do a double-take when they find it in the wild.

What Makes Dwarf Nightshade Special

This perennial forb herb is truly a southeastern native, calling Alabama and Georgia home. As a member of the nightshade family, it shares relatives with tomatoes and peppers, but don’t expect the same garden-friendly behavior from this wild cousin.

What sets dwarf nightshade apart from other garden plants is its growth habit – it’s a non-woody perennial that dies back to the ground each winter, storing its energy in underground parts to return the following growing season. Think of it as nature’s own version of a disappearing act.

Geographic Distribution and Rarity

Currently documented in Alabama and Georgia, dwarf nightshade has an extremely limited range within the United States. This isn’t a plant you’ll stumble across in your typical weekend nature walk.

A Conservation Concern

Here’s where things get serious, fellow plant lovers. Dwarf nightshade carries a rarity status that should make us all pause and take notice. In Alabama, it’s ranked as S1, which means it’s critically imperiled with typically fewer than five occurrences in the state. This is nature’s way of waving a red flag and saying, Pay attention!

The global conservation status adds another layer of complexity with its S5T1 ranking, indicating this taxonomic entity needs careful monitoring and protection.

Should You Grow Dwarf Nightshade?

This is where we need to have an honest conversation. While the idea of growing a rare native plant might seem appealing, dwarf nightshade presents some serious considerations:

  • Extreme rarity: With so few populations remaining, removing plants from the wild would be devastating to the species
  • Unknown cultivation requirements: There’s limited information about how to successfully grow this plant in garden settings
  • Conservation responsibility: Sometimes the best thing we can do for a rare plant is leave it alone in its natural habitat

If You’re Determined to Help

If you live within the native range and are passionate about supporting rare native plants, consider these alternatives:

  • Support habitat conservation: Donate to or volunteer with organizations protecting the natural areas where dwarf nightshade grows
  • Choose other native nightshades: Consider growing more common native Solanum species that can provide similar ecological benefits without conservation concerns
  • Responsible sourcing only: If you absolutely must grow it, ensure any plant material comes from legitimate nurseries with proper collection permits – never collect from wild populations

The Bottom Line

Dwarf nightshade represents one of those fascinating pieces of our native plant heritage that’s hanging on by a thread. While we don’t have enough information about its growing requirements to recommend it for home gardens, we can appreciate it for what it is: a rare and special part of southeastern ecosystems that deserves our respect and protection.

Sometimes the best way to love a native plant is to admire it from afar and focus our garden energy on more common native species that can thrive in cultivation while providing similar benefits to local wildlife. There are plenty of other native nightshade family members that can scratch that botanical itch without the ethical concerns that come with rare species.

Remember, every plant has its place in the ecosystem, and for dwarf nightshade, that place might be best preserved in its natural habitat rather than in our gardens.

Dwarf Nightshade

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Solanaceae Juss. - Potato family

Genus

Solanum L. - nightshade

Species

Solanum pumilum Dunal - dwarf nightshade

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA