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Chickenspike

Sphenoclea zeylanica

Last reviewed: August 2026

Chickenspike (Sphenoclea zeylanica)
Photo: Francisco Manuel Blanco (O.S.A.) / Wikimedia Commons (Public domain)

Toxicity unknown

Chickenspike (Sphenoclea zeylanica) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

medium

Size

6"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug, Sep

Pollinators

bees, flies

Native alternatives to Chickenspike

Chickenspike 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 area

Chickenspike is a small annual herb that produces distinctive spike-like flower clusters from summer through early fall. This wetland native grows in a compact, upright form and thrives in sunny locations with consistent moisture.

In an HOA neighborhood

Chickenspike takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Unusual appearance may look weedy to neighbors
  • Short annual lifespan creates gaps in plantings
  • Wetland species may not fit typical landscape expectations

Wildlife value

The dense flower spikes attract bees and flies during the long blooming period from June through September.

Common questions

How much sun does Chickenspike need?
Chickenspike grows best in full sun conditions.
When does Chickenspike bloom?
Chickenspike blooms in June, July, August, and September.
What pollinators does Chickenspike attract?
Chickenspike draws bees and flies.
Is Chickenspike HOA-friendly?
Chickenspike 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.

See all plant problem guides

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

Planning a bed around it? Start a free plan with this plant

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