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Vine · Passifloraceae Draft — unreviewed

Purple passionflower

Passiflora incarnata L.

Also called purple passionflower, maypop.

Native herbaceous vine with intricate lavender flowers and egg-shaped fruit. Host plant of gulf fritillary and variegated fritillary butterflies.

Size over time

Typical landscape size 3–7.5 m (10–25 ft) tall and 1–2 m (3–7 ft) wide; fast growth, about 3 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.45) from the #3 install size.

02468mPlanting1.0 × 0.3 mYear 34.1 × 1.2 mYear 105.2 × 1.5 mMature5.3 × 1.5 m

Bloom

Lavender flowers, Jun–Sep (northern-hemisphere months; timing shifts with region and season).

Bloom calendar: months each plant is in bloom
PlantJFMAMJJASOND
Purple passionflower : Jun–Sep

Design notes

  • Dies to the ground in winter and reappears late in spring.
  • Spreads by root suckers — give it room or a contained bed.

Regions

Native range: Southeastern and central U.S..

Native to these OpenLandscape3D pilot regions:

Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.

Related plants

Plan with Purple passionflower

Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.