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Birdwing Passionflower

Passiflora tenuiloba

Last reviewed: September 2026

Birdwing Passionflower (Passiflora tenuiloba)
Photo: (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman

Toxicity unknown

Birdwing Passionflower (Passiflora tenuiloba) 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

part sun

Water

low

Size

36"–72" H × 12"–24" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

Native to

TX

Pollinators

butterflies

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Browse plants for this ecoregion

Chihuahuan DesertsEdwards PlateauSouthern Texas PlainsTexas Blackland Prairies

Birdwing Passionflower is a native Texas vine with delicate, deeply lobed leaves and small white flowers that bloom from spring through fall. This climbing plant provides long seasonal interest while requiring minimal water once established.

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In an HOA neighborhood

Birdwing Passionflower 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.

Works well in: backyard only.

  • Requires support structure
  • Can appear messy

Wildlife value

This passionflower serves as a host plant for Gulf Fritillary and other butterfly species. The extended bloom period provides nectar for various butterflies throughout the growing season.

Common questions

How much sun does Birdwing Passionflower need?
Birdwing Passionflower grows best in part sun conditions.
When does Birdwing Passionflower bloom?
Birdwing Passionflower blooms in March, April, May, June, July, August, September, October, and November.
Where is Birdwing Passionflower native?
Birdwing Passionflower (Passiflora tenuiloba) is native to TX, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Birdwing Passionflower attract?
Birdwing Passionflower draws butterflies.
Is Birdwing Passionflower HOA-friendly?
Birdwing Passionflower takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. 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.

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