Lady Of The Night Orchid
Brassavola nodosa
Brassavola nodosa, commonly known as the Lady Of The Night Orchid, is celebrated for its fragrant, night-blooming flowers. Native to Central America, this orchid is cherished by enthusiasts for its unique beauty and resilience.
Everything it needs
9 essentials at a glance
Watering
Brassavola nodosa prefers to dry out slightly between waterings.
Water every 7-10 days during the growing season (spring and summer), and reduce to every 10-14 days in fall and winter. Use room temperature water and ensure that the potting medium is well-draining. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause shriveled pseudobulbs.
Light
This orchid thrives in bright, indirect light, ideally receiving 12-14 hours of light daily.
A location near an east or west-facing window is ideal. While it can tolerate some direct sunlight, too much can scorch the leaves. If the leaves turn yellow, it may be receiving too much light.
Soil
Brassavola nodosa prefers a well-aerated, fast-draining orchid mix, typically consisting of bark, perlite, and sphagnum moss.
The ideal pH range is between 5.5 and 6.5. Ensure that the pot has good drainage holes to prevent water accumulation.
Humidity
This orchid enjoys high humidity levels between 50-70%.
To increase humidity, consider using a humidity tray or a room humidifier. If humidity is too low, you may notice leaf tip browning or wilting. Conversely, excessive humidity can lead to fungal issues.
Temperature
Brassavola nodosa thrives in temperatures ranging from 65-85°F (18-29°C) during the day and slightly cooler at night.
It is hardy in zones 10-12 and can tolerate brief periods of cooler temperatures, but prolonged exposure below 50°F (10°C) can be detrimental.
Fertilizing
Use a balanced orchid fertilizer with an NPK ratio of 30-10-10, diluted to half strength.
Fertilize every 2-4 weeks during the growing season and reduce to once every 6-8 weeks in the fall and winter. Signs of nutrient deficiency include yellowing leaves and stunted growth.
Pruning
Pruning is typically not necessary for Brassavola nodosa, but you can remove any dead or yellowing leaves to maintain appearance and health.
Use clean, sharp scissors or pruning shears. Deadheading spent flowers can encourage new blooms.
Repotting
Repot every 1-2 years or when the potting medium breaks down.
Signs that it needs repotting include roots growing out of the pot or poor drainage. Choose a pot that is 1-2 inches larger in diameter, and gently remove the old medium before replanting in fresh orchid mix.
Propagation
The best method for propagating Brassavola nodosa is through division.
This should be done in spring when the plant is actively growing. Carefully separate the pseudobulbs, ensuring each division has at least 3-4 bulbs. Replant in fresh orchid mix and water lightly until established.
When it's unhappy
Yellow leaves
Why it happens
Overexposure to direct sunlight or over-watering.
How to fix it
Move the plant to a location with bright, indirect light and adjust watering schedule.
Root rot
Why it happens
Excess moisture in the potting medium.
How to fix it
Remove the plant from the pot, trim away rotten roots, and repot in fresh, dry orchid mix.
Wilting leaves
Why it happens
Under-watering or low humidity.
How to fix it
Increase watering frequency and use a humidity tray to raise humidity levels.
Browning leaf tips
Why it happens
Low humidity or salt buildup from fertilizers.
How to fix it
Increase humidity and flush the potting medium with water to remove excess salts.
Poor flowering
Why it happens
Insufficient light or nutrients.
How to fix it
Ensure the plant receives adequate light and adjust fertilization schedule.
Care through the year
Spring
In spring, increase watering frequency as the plant begins to grow. Fertilize every 2-4 weeks and ensure it receives bright, indirect light.
Summer
During summer, maintain consistent watering and humidity levels. This is the peak growing season, so continue fertilizing regularly.
Fall
In fall, gradually reduce watering and fertilization frequency as the plant enters dormancy. Monitor for any signs of stress as temperatures drop.
Winter
In winter, water less frequently, allowing the medium to dry out more between waterings. Keep the plant in a warm location with indirect light.
Toxicity & Safety
Brassavola nodosa is non-toxic to pets and children. However, ingestion of any plant material can cause mild gastrointestinal upset. Always keep plants out of reach of pets to prevent chewing.
Good to know
How often should I water my Brassavola nodosa?
Water every 7-10 days during the growing season and reduce to every 10-14 days in fall and winter, allowing the medium to dry slightly between waterings.
Why are my Brassavola nodosa leaves turning yellow?
Yellowing leaves can indicate overexposure to direct sunlight or over-watering. Adjust the light conditions and watering schedule to remedy this issue.
What type of fertilizer is best for Brassavola nodosa?
A balanced orchid fertilizer with an NPK ratio of 30-10-10 is ideal. Use it at half strength every 2-4 weeks during the growing season.
How do I propagate Brassavola nodosa?
Propagation is best done through division in spring. Separate the pseudobulbs, ensuring each division has several bulbs, and replant in fresh orchid mix.
What humidity level does Brassavola nodosa prefer?
This orchid thrives in humidity levels between 50-70%. Use a humidity tray or a humidifier to maintain these levels.
When should I repot my Brassavola nodosa?
Repot every 1-2 years or when you notice roots growing out of the pot. Use fresh orchid mix and a slightly larger pot.
Why is my Brassavola nodosa not blooming?
Poor flowering can result from insufficient light or nutrient deficiencies. Ensure it receives adequate light and follow a proper fertilization schedule.
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