Passion Flower
Passiflora caerulea
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Pl. D3C0 — Passiflora caerulea
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IOverview
Overview
Passion Flower, known botanically as Passiflora caerulea, is a vigorous vine native to the subtropical regions of Argentina and Brazil, as well as Bolivia and Paraguay. This plant thrives in full sun with moist soil that can range from light (sandy) to heavy (clay), making it adaptable to various conditions. It grows up to 10 meters tall and is hardy in zones 9-11. The edible parts of the passion flower include its flowers and fruit, which are prized for their ornamental value as well as culinary uses. One distinctive feature of this vine is its unique, intricate corolla with a crown-like structure at the top, often referred to as the "crown of thorns," adding to its ornamental appeal.
Quick answers
What is Passion Flower?
Passion Flower, known botanically as Passiflora caerulea, is a vigorous vine native to the subtropical regions of Argentina and Brazil, as well as Bolivia and Paraguay. This plant thrives in full sun with moist soil that can range from light (sandy) to heavy (clay), making it adaptable to various conditions.
What is Passion Flower used for?
Traditionally used for better sleep. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Passion Flower
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · 0 sources
Benefits & evidence
1 claim · 0 sources- Traditional-use note: Passion Flower appears in herbal sources around evening relaxation and bedtime routines, often as a tincture. PlantSage presents this as ethnobotanical context, not as medical advice.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Passion Flower support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Passion Flower thrives in full sun and requires moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 9-11 and can grow up to 10 meters as a vine. For cultivation, ensure the soil remains consistently moist but avoid overwatering. Propagate through seeds or cuttings. Harvest edible parts including flowers and fruit.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
9-11
Habit
Vine
Mature size
10.0 m tall
For first-time growers
How to grow Passion Flower for the first time
8steps
Start with a simple, light-loving vine that will thrive in your garden with minimal fuss.
- 1
What you'll need
Passion Flower seeds or young plants, a trellis or support structure.
- 2
Best time to plant
Plant in spring after the last frost when temperatures are consistently above 10°C (50°F).
- 3
Soil and container prep
Use well-draining soil with a mix of light, medium, or heavy texture. Ensure containers have drainage holes.
- 4
Sowing or transplanting
Direct sow seeds in the ground or start young plants indoors 4-6 weeks before planting outside.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged. Provide partial shade if temperatures are high.
- 6
Ongoing care
Water when the top inch of soil feels dry, especially during hot weather. Fertilize lightly every 4-6 weeks with a balanced fertilizer.
- 7
Harvest or pruning
Prune in late winter to early spring to encourage new growth and maintain shape. Harvest flowers for decoration or fruit when ripe.
- 8
Common mistakes
Overwatering, planting too deep, not providing support, neglecting to prune, and exposing to extreme heat.
VIEdible & utility
Edible & utility
Edible parts:FlowersFruit
Edible uses: The passion flower's flowers and fruits are edible. The flowers can be eaten raw or used in salads for a mild, sweet flavor. The fruit is often consumed fresh but can also be dried or made into jams and jellies. Both parts add a decorative touch to dishes due to their attractive appearance.
Other uses:RootstockFragrance
Contextrange · companions · related
VIIDistribution
7 native · 20 introduced
Distribution
7 native · 20 introducedDistribution across4 continents· 7 native· 20 introduced
Europe4 regions
introduced (4)AlbaniaItalyPortugalSpain
Asia5 regions
introduced (5)BangladeshNepalSouth KoreaSri LankaVietnam
Americas4 regions
native (2)BoliviaParaguay
introduced (2)EcuadorUnited States
Africa1 region
introduced (1)Kenya
Broader regions
native:Argentina Northeast, Argentina Northwest, Brazil Northeast, Brazil South, Brazil Southeast
introduced:California, Cape Provinces, Chile Central, New South Wales, Northern Provinces, Queensland, Western Australia
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Compare with similar plants
Growing zone
XII
About this entry
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