White Frangipani
Plumeria Alba
Plumeria Alba, commonly known as White Frangipani, is a stunning tropical plant cherished for its fragrant white flowers. Native to the Caribbean and Central America, it thrives in warm climates and is often grown for its beauty and aromatic blooms.
Everything it needs
9 essentials at a glance
Watering
Plumeria Alba prefers to be watered deeply but infrequently.
Water every 1-2 weeks during the growing season (spring and summer), allowing the top 2-3 inches of soil to dry out between waterings. In fall and winter, reduce watering to once every 3-4 weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause leaf drop and wilting.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement is in a south or west-facing garden or patio. While it can tolerate partial shade, insufficient light can lead to leggy growth and fewer blooms.
Soil
Plumeria Alba prefers well-draining soil with a pH range of 6.0 to 7.0.
A mix of potting soil, sand, and perlite or cactus mix is recommended to ensure proper drainage. Avoid heavy, compacted soils that retain moisture.
Humidity
This plant enjoys moderate humidity levels of around 40-60%.
To increase humidity, mist the leaves or place a humidifier nearby. Signs of humidity stress include browning leaf edges and drooping leaves.
Temperature
Plumeria Alba thrives in temperatures between 65-85°F (18-29°C) and is hardy in zones 10-12.
It is sensitive to frost, so protect it from temperatures below 32°F (0°C). During the winter, it can tolerate cooler temperatures but should be kept above 50°F (10°C).
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 or a specialized flowering plant fertilizer.
Fertilize every 4-6 weeks during the growing season, and reduce or stop fertilizing in fall and winter. Signs of nutrient deficiency include yellowing leaves and poor growth.
Pruning
Prune Plumeria Alba in late winter or early spring before new growth begins.
Use clean, sharp pruning shears to remove dead or damaged branches and to shape the plant. Deadheading spent flowers encourages more blooms. Be cautious of the milky sap, which can be irritating.
Repotting
Repot Plumeria Alba every 2-3 years or when it becomes root-bound.
Signs it needs repotting include roots growing out of the drainage holes or stunted growth. Choose a pot 1-2 inches larger in diameter, and follow the same soil recommendations. Gently remove the plant from its old pot, loosen the roots, and place it in the new pot with fresh soil.
Propagation
Propagation can be achieved through stem cuttings or seeds.
For stem cuttings, take a 12-inch cutting from a healthy branch, allow it to dry for a few days, then plant it in well-draining soil. Water lightly until roots develop, usually within 4-6 weeks. The best time for propagation is in spring or early summer.
When it's unhappy
Yellow leaves
Why it happens
Yellow leaves can indicate over-watering or nutrient deficiency.
How to fix it
Check the soil moisture and reduce watering if it is too wet. If nutrient deficiency is suspected, apply a balanced fertilizer.
Leaf drop
Why it happens
Leaf drop may occur due to under-watering or sudden temperature changes.
How to fix it
Ensure consistent watering and protect the plant from drafts or sudden temperature fluctuations.
Root rot
Why it happens
Root rot is caused by overly wet soil and poor drainage.
How to fix it
Allow the soil to dry out, improve drainage, and consider repotting into fresh soil if necessary.
Pest infestations (e.g., aphids, mealybugs)
Why it happens
Pests can invade when the plant is stressed or in poor health.
How to fix it
Inspect regularly and treat infestations with insecticidal soap or neem oil.
Poor blooming
Why it happens
Insufficient light or lack of nutrients can lead to fewer flowers.
How to fix it
Ensure the plant receives adequate sunlight and fertilize during the growing season.
Care through the year
Spring
In spring, resume regular watering and fertilizing as the plant begins to grow. Prune any dead or damaged branches to promote healthy growth.
Summer
During summer, ensure the plant receives full sun and water deeply every 1-2 weeks. Fertilize every 4-6 weeks to support blooming.
Fall
In fall, gradually reduce watering as the plant enters dormancy. Stop fertilizing and prepare for cooler temperatures.
Winter
In winter, keep the plant in a warm location above 50°F (10°C). Water sparingly and avoid fertilizing until spring.
Toxicity & Safety
Plumeria Alba is mildly toxic to pets and humans. The sap can cause skin irritation, and ingestion of the leaves or flowers may lead to gastrointestinal upset. Symptoms include nausea, vomiting, and diarrhea.
Good to know
How often should I water my Plumeria Alba?
Water your Plumeria Alba every 1-2 weeks during the growing season, allowing the top 2-3 inches of soil to dry out between waterings.
Why are my Plumeria Alba leaves turning yellow?
Yellow leaves can be a sign of over-watering or nutrient deficiency. Check the soil moisture and consider fertilizing if needed.
What type of soil is best for Plumeria Alba?
Plumeria Alba prefers well-draining soil with a pH of 6.0 to 7.0. A mix of potting soil, sand, and perlite is ideal.
Can I grow Plumeria Alba indoors?
Yes, Plumeria Alba can be grown indoors if provided with sufficient sunlight, ideally near a south or west-facing window.
When is the best time to prune Plumeria Alba?
Prune Plumeria Alba in late winter or early spring before new growth begins to encourage a healthy shape and more blooms.
How do I propagate Plumeria Alba?
You can propagate Plumeria Alba through stem cuttings. Take a 12-inch cutting, let it dry for a few days, then plant it in well-draining soil.
What pests should I watch for on my Plumeria Alba?
Common pests include aphids and mealybugs. Regularly inspect your plant and treat any infestations promptly with insecticidal soap.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.