How to Care for Calla Lilies
The elegant spathe and slender flower stem make calla lilies the stars of indoor greenery. However, many plant enthusiasts find that this seemingly refined plant often exhibits yellowing leaves and short blooming periods during maintenance. Master these key care points, and you can also cultivate premium calla lilies that bloom throughout the year.
Four Essential Elements for Caring for Potted Calla Lilies
Golden Rule for Light Control
In spring and autumn, it is recommended to use a combination of "morning light + scattered light," receiving direct sunlight before 9 a.m. and placing it behind a gauze curtain for the rest of the time. In summer, double-layer sunshades are needed, while in winter, it is necessary to ensure 5 hours of full sunlight daily. Special tip: Adding 2 hours of light during the spathe coloring stage can make the spathe appear a purer white.
Upgraded Nutrient Soil Formula
It is recommended to use a three-in-one matrix: decomposed pine needle soil (30%) + coconut bran (20%) + perlite (50%), with 5g of bone meal added per liter of soil. This ratio ensures both breathability and contains continuously slow-released calcium elements. Retaining 1/3 of the protective soil during potting each year can reduce plant stress responses.
Smart Watering System
Use the "finger test method": insert the index finger into the soil 2 joints deep, and if the palm does not feel moist, water thoroughly. In summer,配合早晚 misting to maintain an air humidity of 60%-75%. Important reminder: After watering, pour out the accumulated water in the saucer to prevent root rot.
Segmented Fertilizing Plan
In the growing season (March to June), apply diluted fish intestine water (1:50) every 10 days, and switch to potassium dihydrogen phosphate solution (800 times) during the budding stage. Before winter dormancy, apply a solution of wood ash extract to enhance the plant's cold resistance. Be careful to avoid excessive nitrogen fertilizer, which can lead to leaf spot disease.
Golden Management Period After Bloom
When the spathe begins to wilt, immediately cut the flower stem to 2 cm from the base. Retain 4-6 functional leaves for photosynthesis, and remove old leaves to promote new bud differentiation. After pruning, apply EM bacteria fermentation solution to help wounds heal quickly. After 30 days, perform the bud-thinning treatment, retaining 3-5 strong new buds per plant.
Through precise environmental control and scientific care rhythm, calla lilies can bloom 3-4 times a year. Remember to supplement phosphorus and potassium fertilizer after flowering, and moderate water control can help the bulbs store enough nutrients during the dormant period. Persistently observe the plant's condition and adjust the care strategy in a timely manner, and your calla lilies can also become the "blooming machine" in your social circle.