Boatlily
Tradescantia spathacea
Tradescantia spathacea, commonly known as Boatlily or Moses-in-the-cradle, is a vibrant houseplant native to tropical regions. Its striking foliage and unique growth habit make it a popular choice for indoor gardens.
Everything it needs
9 essentials at a glance
Watering
Tradescantia spathacea prefers to be kept moderately moist.
Water when the top inch of soil feels dry, typically every 1-2 weeks. In the growing season (spring and summer), increase frequency if the soil dries out quickly. Reduce watering in fall and winter. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause leaf edges to brown and become crispy.
Light
This plant thrives in bright, indirect light but can tolerate partial shade.
Ideally, it should receive 6-8 hours of filtered sunlight daily. Avoid direct sunlight, which can scorch the leaves. It can adapt to lower light conditions, but growth may slow down.
Soil
A well-draining potting mix is ideal, with a pH range of 6.0 to 7.0.
A mix of peat, perlite, and pine bark works well. Ensure the pot has drainage holes to prevent water accumulation, which can lead to root rot.
Humidity
Tradescantia spathacea prefers humidity levels of 50% or higher.
To increase humidity, consider using a pebble tray with water or a humidifier. Signs of low humidity include leaf curling and browning tips.
Temperature
This plant thrives in temperatures between 65-80°F (18-27°C) and is hardy in zones 10-12.
It can tolerate brief periods of cooler temperatures but should be protected from frost and extreme heat.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 10-10-10 every 4-6 weeks during the growing season.
Reduce or stop fertilizing in fall and winter. Signs of nutrient deficiency include pale leaves and stunted growth.
Pruning
Prune in spring to maintain shape and remove any dead or damaged leaves.
Use clean, sharp scissors or pruning shears. Deadheading is not necessary, but removing spent flowers can encourage new growth.
Repotting
Repot every 1-2 years or when the plant becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes or stunted growth. To repot, gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation can be done through stem cuttings or division.
For stem cuttings, take a 4-6 inch cutting below a node, remove lower leaves, and place it in water or moist soil. Change the water every few days if using water propagation. Division can be done during repotting by separating the root ball into smaller sections. Best timing is in spring.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or insufficient light.
How to fix it
Adjust watering schedule and ensure the plant receives adequate light.
Brown leaf tips
Why it happens
Under-watering or low humidity.
How to fix it
Increase watering frequency and humidity levels.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a brighter location to encourage bushier growth.
Root rot
Why it happens
Excessive moisture and poor drainage.
How to fix it
Allow the soil to dry out and consider repotting in fresh, well-draining soil.
Pests (e.g., spider mites, aphids)
Why it happens
Dry conditions or stress.
How to fix it
Increase humidity and treat with insecticidal soap or neem oil.
Care through the year
Spring
In spring, increase watering and begin fertilizing every 4-6 weeks. This is also a good time for pruning to encourage bushier growth.
Summer
During summer, ensure the plant receives bright, indirect light and maintain consistent moisture. Monitor for pests, as they can thrive in warm conditions.
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 and reduce watering frequency. Ensure it receives adequate light, as days are shorter.
Toxicity & Safety
Tradescantia spathacea is considered mildly toxic to pets and humans. Ingestion can cause gastrointestinal upset, including vomiting and diarrhea. The sap may also cause skin irritation in some individuals.
Good to know
Why are my Tradescantia spathacea leaves turning yellow?
Yellow leaves can indicate over-watering or insufficient light. Check your watering routine and ensure the plant is getting enough indirect sunlight.
How often should I water my Boatlily?
Water your Boatlily when the top inch of soil feels dry, typically every 1-2 weeks. Adjust frequency based on the season and environmental conditions.
What type of soil is best for Tradescantia spathacea?
A well-draining potting mix with a pH of 6.0 to 7.0 is ideal. A mixture of peat, perlite, and pine bark works well for this plant.
Can I propagate Tradescantia spathacea in water?
Yes, you can propagate it in water. Take a stem cutting, remove lower leaves, and place it in water. Change the water every few days until roots develop.
What humidity level does Boatlily prefer?
Tradescantia spathacea prefers humidity levels of 50% or higher. You can increase humidity with a pebble tray or humidifier.
How do I know when to repot my Tradescantia spathacea?
Repot your plant every 1-2 years or when you notice roots growing out of the drainage holes or if the growth has become stunted.
Is Tradescantia spathacea safe for pets?
Tradescantia spathacea is considered mildly toxic to pets. Ingestion can cause gastrointestinal upset, so keep it out of reach of curious animals.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.