Passion Flower
Passiflora incarnata
Spanish missionaries in the 1500s named the flower for the Passion of Christ — the 10 petals as the 10 faithful apostles, the corona as the crown of thorns, the 3 stigmas as the 3 nails. The Maypop (P. incarnata) is the hardiest native species and edible.
How to care for passion flower
Dies back to the ground each winter in zone 5-7 and resprouts in late spring — be patient; new growth doesn't emerge until late May. Aggressive root suckers; plant in a contained spot or expect to mow back escapees yearly.
Garden uses & design ideas
Best garden use
Give it a trellis, arbor, fence, or wall where vertical growth can soften hard edges without crowding nearby plants.
Pair it with
Clematis, Honeysuckle, Climbing rose make easy companion choices because they share similar light, water, or visual texture needs.
Layout tip
Match it with full sun exposure, place it in a moderate-water bed where soil can stay evenly damp but not soggy, and check USDA zones 5-9 before planting. Use the garden planner to test spacing around its mature size: 10-25 ft long (climbing).
Gardener note — Double-check local invasive, edible, and toxicity guidance with your county extension office before planting around pets, children, or natural areas.
Companion plants
Passion Flower grows well alongside these — similar light, water, and texture needs.
Common pests & problems
Where it grows best
Native to Southeastern United States and tropical Americas; thrives in USDA hardiness zones 5-9.
Frequently asked about passion flower
What USDA zones does Passion Flower grow in?+
Passion Flower is hardy in USDA zones 5-9. Outside these zones, it can usually be grown indoors or as a seasonal annual.
How much sun does Passion Flower need?+
Passion Flower prefers full sun. Place it where it gets that light most of the day for best growth and flowering.
How often should I water Passion Flower?+
Passion Flower has moderate water needs. Keep soil consistently moist but not soggy. Dies back to the ground each winter in zone 5-7 and resprouts in late spring — be patient; new growth doesn't emerge until late May. Aggressive root suckers; plant in a contained spot or expect to mow back escapees yearly.
How big does Passion Flower get?+
Passion Flower reaches a mature size of 10-25 ft long (climbing). Growth rate is fast, so plan spacing accordingly when planting.
What plants grow well with Passion Flower?+
Passion Flower pairs well with Clematis, Honeysuckle, Climbing rose. These companions share similar care requirements and don't compete aggressively for resources.
What pests affect Passion Flower?+
Common Passion Flower problems include zebra longwing caterpillars (host plant — let them eat); fritillary butterfly caterpillars. Catching early signs in routine inspection prevents most damage.
When does Passion Flower bloom?+
Passion Flower blooms in midsummer (each bloom lasts 1 day) in purple-blue with white and pink (intricate corona). Deadheading spent flowers (where applicable) often encourages a longer bloom window.
Design a garden with passion flower in minutes
Drag plants into a 3D space, walk through it, or upload a photo and let AI redesign it. Test spacing around its mature size before you plant.
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