Description
A dainty vine with lobed leaves and pretty, white to pinkish flowers followed by bright red, small, edible and sweet fruit. Flowers and fruits are protected by strange, spiky and sticky bracts that can trap insects. The leaves emit a strong scent when crushed. Passiflora foetida var. gossypiifolia is widespread from Southern Mexico and the Cribbean to Peru in South America at low and moderate elevations. It is rare in cultivation but easy to grow in the tropics.
Germination Guide
🌍 Southern United States (Texas and Arizona), Mexico, Central America, Caribbean, and South America from Colombia to Peru
Moderate
Passiflora foetida var. gossypiifolia, commonly known as cottonleaf passionflower or stinking passionflower, is a tropical climbing vine native to the Americas with intricate white flowers featuring purple coronas and sticky, insect-trapping bracts. Seeds require pretreatment (scarification and warm water soaking) to overcome seed coat dormancy and achieve reasonable germination rates within 2-4 weeks. This variety is relatively easy to grow in warm tropical conditions once properly germinated.
Germination
Germination time
Expect germination in
10 – 84 days
Temperature
Min 20°C
Ideal 25°C
Max 30°C
Substrate moisture
💧💧 High
Seed Pre-treatment
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💧
Soaking — 48 hours
Soak seeds in warm water for 24-48 hours after scarification to reduce germination time and promote faster germination. Alternatively, acidic solutions like passion fruit pulp or vinegar may facilitate germination.
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🔨
Mechanical scarification
Light scarification with sandpaper or file recommended to improve germination rates by breaking hard seed coat
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📋
Additional notes
Combine light mechanical scarification with 24-48 hour warm water soak for optimal germination. Pretreatment significantly reduces germination time from months to 10-21 days.
Substrate & Container
Recommended substrate
Well-draining seed-raising mix, peat-perlite blend, or sandy loam rich in organic matter, ensuring pathogen-free substrate
Recommended container
Plastic trays, pots, or punnets with transparent lid or plastic dome to maintain high humidity
Growing Tips
Remove plastic dome gradually after emergence to prevent mold and damping-off. Maintain consistent warm temperature (20-30°C) and high humidity throughout germination. Place in bright indirect light; seeds do not require light for germination but seedlings need strong light to prevent leggy growth. Use fresh seeds whenever possible as aged seeds germinate much more slowly. Keep soil consistently moist but never waterlogged. Avoid cool temperatures below 18°C as they significantly inhibit germination. Once seedlings develop true leaves (usually 8-10 weeks), harden them off gradually before transplanting to avoid transplant shock.
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