When Does the Epiphyllum Bloom
As a plant spirit that blossoms at night, the epiphyllum captivates countless flower enthusiasts with its fleeting beauty. This cactus species, native to tropical rainforests, puts on a breathtaking show of blooming every year during the summer and autumn. Its flowers, from opening to withering, last only a few hours, and its unique biological clock mechanism makes it the moonlight fairy of the plant world.
Unveiling the Nighttime Blooming Pattern of Epiphyllum
Annual Blooming Period and Circadian Rhythm
The annual blooming period of the epiphyllum spans from June to October, showing distinct seasonal differences: from June to August, it usually blooms between 21:00 and 22:00 and closes between 3-4 a.m. From September to October, the opening time is advanced to 20:00, and the viewing time extends to 8-9 hours. This temporal change is closely related to the duration of sunlight and temperature, and a temperature difference of more than 8°C is more likely to trigger the blooming mechanism.
Three Core Techniques to Promote Epiphyllum Blossoms
Light Control Strategy
Ensure 4-6 hours of soft diffused light daily, and avoid strong midday sunlight during the height of summer. Use the morning light wake-up method: move the plant to an east-facing balcony after sunrise to promote the accumulation of photosynthetic products. A completely dark environment at night is crucial for bud differentiation; it is recommended to avoid artificial light interference after 21:00.
Nutrition Supply Plan
Apply a phosphorus-potassium compound fertilizer (N-P-K=5-10-5) every 15 days during the growing period, and increase the application of calcium-magnesium fertilizer during the bud formation stage to enhance the flower receptacle's load-bearing capacity. Organic fertilizers must be fully composted; a banana peel fermentation solution (diluted 1:50) is recommended to supplement trace elements.
Pruning Tips and Plant Shape Control
In spring, keep 3-5 main stems and remove weak branches. After flowering, promptly cut off the stem section 2 nodes below the residual flower to promote secondary blooming. Use the S-shaped binding method to guide the plant's horizontal development and increase the number of flowering sites.
Complete Guide to Nighttime Observation of Epiphyllum
When Does the Epiphyllum Bloom
At the peak of blooming, the flower diameter can reach 12cm, with the funnel-shaped corolla composed of 20-30 obovate petals. When first opened, the pistil secretes crystal-clear nectar. The best observation time is 2-3 hours after opening, when the fragrance concentration reaches its peak, presenting a fresh茉莉 (Jasmine) and subtle gardenia mixed scent.
By precisely controlling the day-night temperature difference (daytime 25-30°C/nighttime 18-22°C) and humidity (65-75%), the blooming duration of a single flower can be effectively extended. Records show that under ideal conditions, individual plants can bloom for up to 11 hours, breaking conventional perceptions.