The Tradescantia spathacea, known as Moses in the Cradle, Oyster Plant, or Boat Lily, is a popular houseplant. This tropical perennial features sword-shaped leaves with a dark green upper surface and vibrant purple underside. Small white flowers emerge nestled within boat-shaped, typically deep purple or reddish bracts, giving the plant its common names.
Moses in the Cradle Care Essentials
Light
Moses in the Cradle thrives in bright, indirect light, such as near a north or east-facing window. While it tolerates some direct morning or late afternoon sun, intense midday sun can scorch leaves and fade color. Insufficient light causes leggy growth and loss of vibrant variegation.
Watering
Consistent moisture is preferred by Moses in the Cradle, but it is highly susceptible to root rot if overwatered. Allow the top 1-2 inches of soil to dry out between waterings. Water thoroughly until water drains from the pot’s bottom, then discard any excess water from the saucer. During active growth in spring and summer, more frequent watering is needed, while in fall and winter, watering should be reduced, allowing the soil to dry slightly more.
Soil Requirements
A well-draining potting mix is crucial to prevent waterlogging and root rot. An ideal soil includes peat moss, perlite, and regular potting soil for good drainage and aeration. The plant prefers slightly acidic soil (pH 6.1-6.5).
Temperature and Humidity
Moses in the Cradle prefers average to warm room temperatures (60-85°F / 15-29°C). Protect it from temperatures below 50°F (10°C) and sudden fluctuations from drafts or vents. This tropical plant appreciates moderate to high humidity (50-70%). If indoor air is dry, consider misting, using a pebble tray, or a humidifier.
Fertilizing
Fertilize regularly during the active growing season (spring and summer). Use a balanced, water-soluble fertilizer (e.g., 10-10-10 or 20-20-20) diluted to half strength, applying every 2-4 weeks. Reduce feeding to monthly in fall and cease in winter.
Addressing Common Issues
Leggy growth or loss of vibrant color indicates insufficient light. Move the plant to a brighter location with indirect light to restore its compact form and rich hues.
Browning or crispy leaves frequently signal underwatering or low humidity. Ensuring the topsoil dries out between waterings and increasing ambient humidity through misting or a pebble tray can resolve these symptoms.
Yellowing leaves or mushy stems signal overwatering and potential root rot. Allow the soil to dry more thoroughly between waterings and ensure adequate drainage. If root rot is suspected, inspect roots and repot with fresh, well-draining soil.
Moses in the Cradle can attract pests like spider mites or mealybugs. Inspect the plant regularly and treat affected areas with organic methods, such as wiping leaves with soapy water or using insecticidal soap.
Propagating Your Plant
Propagate Moses in the Cradle through stem cuttings. Select a healthy stem 4-6 inches long and cut just below a leaf node. Remove lower leaves, leaving a few at the top, to prevent rotting if submerged.
Cuttings can be rooted in water or moist potting mix. For water rooting, place the cut end in clean water, ensuring the node is submerged, and change water every few days. For soil, plant in a well-draining mix, keeping leaves above the soil line. Roots typically develop within 2-4 weeks.
Repotting Guidelines
Repot Moses in the Cradle in spring during its active growth. Signs include roots emerging from drainage holes, water draining too quickly, or the plant becoming top-heavy. Young plants may need annual repotting; mature plants typically require it every 2-3 years.
When repotting, choose a pot one size larger with drainage holes. Gently remove the plant, inspect roots, and trim any dead or rotting ones. Place in the new pot with fresh, well-draining potting mix, handling roots carefully to minimize transplant shock.