Description
Climbing form up to 10 meters that hold through gavinhas
It is cultivated in jamaica and ecuador by its fruits and also in havai as an ornamental plant.
This species is known for their resistance to the plagues and diseases that commonly affect their relatives.
Also used for genetic improvement of other species.
Its fruit has strengthy peel of clear yellow coloring, and its powder is very very sweet, appreciated in nature or to make juices.
Very freshly and their fruits are also used for the preparation of delicious sweets, like mousse, cake, pudins and cakes.
Germination Guide
🌍 Caribbean, Colombia, Venezuela, and northern Ecuador
Difficult
Passiflora maliformis, commonly known as Sweet Calabash or Conch Apple, is a vigorous tropical vine native to the Caribbean and northern South America, valued for its hard-shelled, apple-sized fruit with fragrant yellow-orange pulp. Germination is slow and challenging, typically requiring 2 weeks to 6 months; seeds benefit significantly from pre-treatment including mechanical scarification, soaking, and warm temperatures. This species represents a moderately difficult propagation challenge but rewards patient growers with ornamental purple flowers and edible tropical fruit.
Germination
Germination time
Expect germination in
14 – 180 days
Temperature
Min 20°C
Ideal 25°C
Max 30°C
Substrate moisture
💧 Medium
Sowing depth
Lightly covered
Seed Pre-treatment
-
💧
Soaking — 24 hours
Soaking seeds in warm water for 24 hours or citrus juice helps soften seed coat and improve germination
-
🔨
Mechanical scarification
Light mechanical scarification with sandpaper improves germination; scarification combined with gibberellic acid (GA3) yields 40% germination
-
❄️
Cold stratification — 28 days at 5°C
-
📋
Additional notes
Seed coat is hard and dormancy is slow; combination treatments (scarification + soaking + warm temperature) most effective
Substrate & Container
Recommended substrate
Peat-based seed starting mix or well-draining potting soil
Recommended container
Small pots or seed trays with drainage holes; paper towel in sealed bag also successful
Growing Tips
Use fresh seeds when possible for better results; mechanical scarification followed by 24-hour water or juice soak optimizes germination. Maintain consistent bottom heat (70-80°F) and keep soil moist but well-drained. Provide bright, filtered light after germination. Seeds may remain viable for up to one year when stored properly. Consider using a heat mat as dormancy is strong and cold temperatures inhibit germination. Some seeds may germinate after several months or even into the second year, so retain containers for extended periods.
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