Passiflora rubra, the Dutchman's laudanum, is a species in the family Passifloraceae. It is native throughout the West Indies, and to Colombia, Venezuela, Peru, Ecuador, Bolivia and eastern Brazil. Passiflora rubra is vegetatively almost indistinguishable from Passiflora capsularis, but the two species may be distinguished in flower and fruit. The ovaries of the flowers of Passiflora rubra has a dense coating of white, or less commonly brownish hairs, and the fruit, while variable in shape, is always obovoid, unlike that of Passiflora capsularis which is tapering at both ends.
Dutchman's laudanum is resistant to disease and generally not susceptible to illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs little watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Dutchman's laudanumt is suitable for anyone with outdoor space, like a garden or deck, and does not demand much gardening experience.
How to keep Passiflora Rubra.
Light
Dutchman's laudanum comes from open habitats, such as sunny meadows and forest edges, where ample light is present. It flourishes in Full Sun but can also tolerate Partial Sun, showing good adaptability to different sunlight conditions.
Water
Dutchman's laudanum needs to stay consistently moist while it's germinating. After it has matured, water the plant twice a week if the weekly rainfall is less than 1.5 inches (3.8 cm). Be careful not to overwater, as too much moisture can damage the plant. If you're growing it in a container, remember that the soil will dry out more quickly, so you'll need to water it more often.
Temperature
Dutchman's laudanum comes from tropical areas, where the climate is generally warm and humid. As a result, it is well-suited to high temperatures and humidity. It does not tolerate sudden temperature changes and prefers a consistently stable temperature, so it is important to avoid temperature fluctuations indoors. It usually cannot withstand cold and requires warmer conditions for growth. If the temperature falls too low, the plant may stop growing or even die.
Fertilizer
The best time to fertilize a Dutchman's laudanum is in early spring when it breaks dormancy. This encourages overall growth and the development of flowers. Feeding the plant improves its foliage, stems, and branches, while encouraging flowers that are larger, more vivid, and longer-lasting. It also assists in moving nutrients from the roots to the flowers and enhances the plant's health and resistance to disease.
Pruning
The Dutchman's laudanum, known for its vibrant red flowers and climbing habits, benefits from careful pruning each early spring. To ensure healthy growth, remove any dead stems, thin out crowded areas, and shape the plant. This practice improves air circulation, reduces the risk of disease, and promotes the growth of strong shoots, all while maintaining the plant's visual appeal and manageability.
Botanical profile.
- Plant Type
- Vine
- Life Cycle
- Perennial
- Genus
- Passiflora
- Family
- Passifloraceae
- Hardiness Zone
- 10-12
- Mature Height
- 3.05 m to 6.1 m
- Mature Spread
- 2.13 m to 3.05 m
- Leaf Color
- Green, Dark Green
- Leaf Type
- Evergreen
- Flower Color
- Red, Pink
- Flower Size
- 5.08 cm to 7.62 cm
- Bloom Time
- All year round
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- All year round
- Native Area
- Colombia, Bahamas, Cuba, Venezuela, Peru, Brazil, Ecuador, Jamaica
Other names.
Reader questions.
What are the sunlight requirements for Dutchman's Laudanum (Passiflora rubra)?
Dutchman's Laudanum, also known as Passiflora rubra, thrives in various sunlight conditions. For full sun exposure, the plant requires above 6 hours of sunlight daily. In partial sun conditions, about 3-6 hours of sunlight is needed. It's crucial to observe how sunlight moves through your garden throughout the day. Selecting the right spot that provides a balanced mix of light and shade will ensure your Dutchman's Laudanum's health and happiness.
What is Dutchman's Laudanum?
Dutchman's Laudanum, known botanically as Passiflora rubra, is a plant species recognized for its significance.