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Northern Spiderlily

Hymenocallis occidentalis

Last reviewed: July 2026

Hymenocallis occidentalis (Northern Spiderlily) is a native wetland perennial that blooms white spider-like flowers from June through August across the southeastern and south-central United States.

Northern Spiderlily (Hymenocallis occidentalis)
Photo: Alabama Extension / Wikimedia Commons (CC0)

The USDA PLANTS Database (opens in new tab) does not flag Northern Spiderlily as toxic to livestock.

Light

part sun

Water

high

Size

12"–36" H × 6"–18" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, FL, GA and 11 more states

Pollinators

moths, butterflies

Browse plants for this ecoregion

Northern spiderlily produces striking white spider-like flowers on tall stems during summer months. This native bulb grows in clumps with strap-shaped leaves that die back in winter, making it ideal for adding dramatic seasonal interest to moist garden areas.

Growing Northern Spiderlily

Grow Northern Spiderlily in part sun and high water. Mature plants reach 12 to 36 inches tall and spread 6 to 18 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Northern Spiderlily is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

  • Leaves die back completely in winter leaving bare spots
  • May look sparse when not in bloom
  • Requires consistent moisture which can be challenging to maintain

Wildlife value

The fragrant white flowers attract night-flying moths and butterflies during the summer blooming period. The nectar-rich blooms are particularly valuable for sphinx moths and other nocturnal pollinators.

Common questions

When does Northern Spiderlily bloom?
Hymenocallis occidentalis blooms from June through August, producing distinctive white spider-like flowers.
Where is Northern Spiderlily native?
Northern Spiderlily is native to 16 states across the southeastern and south-central United States, including Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Missouri, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, and Texas.
What pollinators visit Northern Spiderlily?
Moths and butterflies are the primary pollinators of Hymenocallis occidentalis, attracted to its fragrant white flowers.
What growing conditions does Northern Spiderlily prefer?
This wetland plant thrives in consistently moist to wet soils and tolerates full sun to partial shade conditions.
Is Northern Spiderlily toxic to livestock?
The USDA PLANTS Database does not flag Northern Spiderlily as toxic to livestock.
Is Northern Spiderlily HOA-friendly?
Northern Spiderlily is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Northern Spiderlily? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz