Key Features
- Delicate yellow to yellow-green flowers with distinctive fringed floral parts
- Herbaceous perennial climbing vine with attractive three-lobed foliage
- Naturally suited to trellises, fences, arbors, and wildlife-friendly gardens
- Blooms during the warmer months and adds delicate vertical interest
- Native to central and eastern regions of the United States
Growing Benefits
- Creates graceful vertical coverage for garden structures and supports
- Adds unique passionflower character without large, showy blooms
- Provides valuable habitat and food resources for certain wildlife
- Adapts to full sun and partial shade conditions
- Returns as a perennial vine in suitable growing conditions
Seed Specifications
Common Name: Yellow Passion Flower, Yellow Passionflower, Eastern Yellow Passionflower
Botanical Name: Passiflora lutea
Plant Type: Herbaceous perennial climbing vine
Colors: Pale yellow, yellow-green, greenish-white
Height: Approximately six to sixteen feet, depending on growing conditions
Sunlight: Full sun to partial shade
Soil: Fertile, moist, well-drained soil with good organic matter
Water: Regular moisture; avoid prolonged waterlogging
Germination Time: Variable and potentially slow or irregular
Sowing Depth: Lightly cover with a thin layer of growing medium
Spacing: Allow approximately two to three feet between young plants
Growing Zones: Approximately USDA Zones five through ten
Flowering/Maturity: Summer flowering, with blooms extending into early fall in suitable conditions
Uses: Trellises, fences, arbors, native gardens, wildlife gardens, and ornamental landscapes
Growing Tips
- Keep the seed-starting medium consistently moist but never waterlogged.
- Provide a trellis or other support so the young vine can climb naturally.
- Give seedlings bright light while protecting them from harsh afternoon heat.
- Transplant carefully after young plants become established and temperatures are favorable.
Seed Storage
Store unused seeds in a cool, dry, dark location. Keep them in a sealed, moisture-resistant container away from heat and humidity. Label the container with the plant name and storage date. Avoid exposing seeds to repeated temperature or moisture changes.
Unique Facts About Seeds
- Passiflora lutea is one of the relatively few passionflower species native to the United States.
- The species name lutea refers to the yellow coloration of its flowers.
- The vine climbs using tendrils that emerge from the leaf axils.
- Its small flowers can be followed by dark purple to nearly black berries when pollinated.