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Passiflora caerulea

Image of Passiflora caerulea

David L. Morgan

Family

Passifloraceae

Botanical Name

Passiflora caerulea

Plant Common Name

Blue Passionflower

General Description

Passionflower is a fast-growing evergreen climber from South America. The flowers emerge n summer and are stunning and exotic. Bowl-shaped, white (sometimes light pink), with blue, white, or purple centers, they bloom repeatedly through the fall. The yellow-orange fruit is edible but not particularly tasty.

This fast-growing vine is one of the most hardy passionflowers, and tolerates many soil types. It prefers full sun. Grow it a trellised container, or against a wall in a mixed border.

Characteristics

  • AHS Heat Zone

    9 - 6

  • USDA Hardiness Zone

    6 - 10

  • Sunset Zone

    H1, H2, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Vine/Liana

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    20'-30' / 6.1m - 9.1m

  • Bloom Time

    Summer, Late Summer, Early Fall, Fall

  • Native To

    South America

Growing Conditions

  • Soil pH

    Neutral

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Vining/Climbing

  • Seasonal Interest

    Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Blue, Purple, Light Pink

  • Flower Color Modifier

    Multi-Color

  • Fruit Color

    Yellow, Orange

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Foliage Color (Winter)

    Green

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    Yes

  • Edible Fruit

    Yes

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    Semi-Evergreen

  • Showy Bark

    No

Special Characteristics

  • Usage

    Container, Mixed Border, Vine

  • Sharp or Has Thorns

    No

  • Invasive

    Sometimes

  • Attracts

    Birds, Hummingbirds, Butterflies

  • Self-Sowing

    No