The Calathea Albertii, also known as the “Emerald Feather Prayer Plant” or “Rattlesnake Plant,” is a striking indoor plant. Originating from Brazil’s tropical regions, it features oval leaves with intricate patterns of dark and light green, feather-like stripes, and a purple to red underside. Its distinctive appearance makes it a popular choice for indoor spaces.
Calathea Albertii Care
Light
Calathea Albertii thrives in bright, indirect light. Direct sunlight can scorch its leaves, causing them to fade, curl, or develop brown edges. Position the plant near a north or east-facing window, or use a sheer curtain. Consistent bright, indirect exposure ensures optimal growth and vibrant foliage, though it tolerates lower light.
Watering
Consistent moisture is important for Calathea Albertii, though it should never sit in waterlogged soil. Water when the top 1 to 2 inches of soil begin to feel dry. This often means watering every 5-7 days during active growing seasons, less frequently in cooler months. Using distilled, filtered, or rainwater is beneficial, as Calatheas are sensitive to salts, chlorine, and fluoride in tap water, which can lead to leaf burn and browning.
Humidity
High humidity is an important requirement for Calathea Albertii, reflecting its tropical origins. Dry air can cause leaf edges to become crispy and brown. To maintain preferred humidity levels, typically 50% or higher, consider using a humidifier. Other methods include placing the plant on a pebble tray or grouping it with other plants. Regular misting offers a temporary boost, but a humidifier provides more consistent moisture.
Soil Requirements
The ideal potting mix for Calathea Albertii is rich, peaty, and retains moisture while draining well. A mixture including coco coir, perlite, and orchid bark promotes moisture retention and aeration, beneficial for its delicate root system. Good drainage prevents waterlogging and root rot. The soil pH should ideally be neutral, between 6.5 and 7, as acidic soil can harm the roots.
Temperature
Calathea Albertii thrives in warm environments, preferring temperatures between 65°F and 85°F (18°C to 30°C). It is sensitive to cold temperatures and should not be exposed to conditions below 60°F (15°C). Avoid cold drafts from windows or air conditioning units to prevent stress and damage to the foliage.
Fertilizing
During the growing season (spring and summer), Calathea Albertii benefits from regular fertilization. It is sensitive to strong fertilizers, so use a weak houseplant fertilizer diluted to half strength. Fertilize approximately once a month or every 3-4 weeks to avoid nutrient buildup, which can cause leaf burning. Withhold fertilization during winter months when growth slows.
Troubleshooting Calathea Albertii Issues
Leaves Curling or Browning
Curling or browning leaves on Calathea Albertii often indicate environmental stress. Low humidity is a common cause, as the plant attempts to conserve moisture by curling its leaves. Underwatering can also lead to leaf curling and browning, signaling the plant needs a thorough soak. Addressing these issues by increasing humidity and adjusting watering practices can help restore leaf health.
Fading Leaf Color
When Calathea Albertii leaves fade, it often points to excessive light exposure. Direct sunlight can diminish the leaf’s coloration and lead to a bleached appearance. Moving the plant to bright, indirect light will help it regain its rich hues. Fading leaf color might also suggest a nutrient deficiency, in which case a balanced, diluted fertilizer application during the growing season could be beneficial.
Pests
Calathea Albertii can be susceptible to common houseplant pests. Spider mites are a frequent concern due to their preference for dry air; signs include tiny webs or small yellow dots on foliage. Mealybugs appear as white, cotton-like masses, often on undersides of leaves. Scale insects may appear as small, immobile bumps on stems and leaves. Isolate affected plants and treat with insecticidal soap or neem oil to manage infestations.
Propagating Calathea Albertii
Calathea Albertii is primarily propagated through division, best performed during repotting in spring or early summer. This method involves carefully separating the plant’s rhizomes, ensuring each new section has an adequate root system and several leaves. Before dividing, water the plant thoroughly to loosen the soil and reduce stress. Gently remove the plant from its pot, tease apart the root ball to identify natural divisions, and then pot each separated clump into its own container with fresh, well-draining soil.
Repotting Calathea Albertii
Repotting Calathea Albertii is typically needed every one to two years, or when the plant shows signs of being root-bound, such as roots emerging from drainage holes or stunted growth. The ideal time for repotting is in early spring, just before the plant enters its active growth phase, minimizing transplant shock. Select a new pot only one to two inches larger in diameter than the previous one, as too large a pot can lead to excess moisture and potential root issues. When repotting, gently remove the plant from its old container, inspect roots for any brown or mushy sections, and carefully place it in the new pot with fresh, appropriate potting mix.