Passiflora incarnata or Maypop is one of the hardiest Passiflora.
A vigorous grower, trailing or climbing on any available support: trellis, fence, shrubs…
It’s called Maypop because in colder zones the plant will die when it freezes but pop up next spring, in May. In USDA zone 10 or above, the plant is persistent.
Big, fragrant purple flowers that vary in color, sometimes even on the same plant.
Passiflora incarnata is a vine that climbs up to 2-3 m high.
The stem is terete, angular in younger parts of the plant.
The leaf is trilobal and sometimes 5-lobed, 6-15 cm long and 7-17 cm wide, on a petiole of up to 8 cm.
The peduncle is up to 10 cm long, solitary. Bracts are oblong with two glands at the base, 0.4-0.8 x 0.2-0.4 cm, slightly serrate.
Flowers vary in color, white, pink, pale lavender, mauve or purple, 6-8 cm in diameter.
Petals are variable inside, green outside, oblong-lanceolate, 3 cm long and 1 cm wide, slightly keeled outside with a keel of 0.2-0.4 cm long.
Sepals are slightly shorter than petals.
Corona: several series, white, pink, lavender or purple. The two external series are 1.5-2.5 cm long, wavy in the upper half, the internal series 0.2-0.4 cm long.
Fruit is oval or nearly spherical, 5-6 cm x3.5-5, greenish yellow and edible.
Seeds are obovate, 0.5 cm long and 0.4 cm wide, winged.
The fruit is edible but contains a large number of seeds. Eaten fresh or cooked into marmalade.
The whole plant is used fresh or dried to treat anxiety or insomnia.
Granadilla incarnata, Passiflora edulis var. kerii, Passiflora incarnata var. integriloba, Passiflora kerii
Passiflora: from the Latin passio (Passion) and flos (flower)
Incarnata: from the Latin incarnātus (flesh-colored)
South-east of the USA
Grows at the edge of fields, in ditches and other sunny and fertile places
USDA zone 7-11, -15 °C
Water daily in summer
Universal fertilizer weekly during growing season
When grown in pot, a smaller pot restricts root growth and promotes flowering
- use fresh seeds preferably
- scarify the seeds with sandpaper or sand
- soak the seeds in water at room temperature for 24h
- plant in sowing substrate at 1 cm depth
- provide soil heating and switch the heating off at night so that the temperature fluctuates
- keep the substrate moist
- do not discard the seeds if they have not germinated after a few months, it can take more than 6 months