Passiflora caerulea (Blue Passion Flower)


Botanical Information

FamilyPassifloraceae
GenusPassiflora
Speciescaerulea
CategoryTropicals, Woody
TypeVine
OriginSouth America.
Pronunciation

Details

USDA Hardiness Zone8b - 9a
USDA Hardiness Ref.
Canadian Hardiness Zone8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4
RHS Hardiness Ref.
Temperature (°C)-9 - (-4)
Temperature (°F)15 - 25
Height8 - 12 m
Spread2.5 - 4 m
GrowthFast

Description and Growing Information

General DescriptionPassiflora caerulea or Blue Passion Flower is a robust, climbing, deciduous or semi-evergreen vine with thick, deeply lobed leaves and exquisitely detailed, showy blooms.
CultivationGrow in a sheltered location, in full sun to part shade, moist, well-drained soil. In less temperate climates, grow in containers and take inside over winter.
PestsPossible problems include mealybugs, red spider mite, scale and glasshouse whitefly.
Leaf DescriptionDark green with deep, finger-like lobes.
Flower DescriptionShowy, up to 8 cm in diameter, 5 white petals alternate with 5 sepals of the same colour (they all look the same- if closely inspected, you will see a stiff bristle at each sepal tip, called an 'awn'), rays of coronal filaments are variegated purple, white and blue, 5 large stamens with anthers perpendicular / hinged to filaments, stigma is 3-pronged. Wow!
Fruit DescriptionOvoid, orange, containing red bean-shaped seeds.

Photographs