What's wrong with dried lily leaves?
The dryness of lily leaves is a common problem during maintenance. This phenomenon not only affects the ornamental value, but may also indicate plant health problems. This paper systematically analyzes the causes of lily dry leaves and corresponding solutions from three dimensions: cultivation substrate, growth environment, and physiological cycle, to help flower friends accurately diagnose plant conditions. Soil environment management The acid-base balance regulates lily roots are extremely sensitive to soil pH, and the optimal growth range is 5.5-6.5 in a slightly acidic environment. When the soil is alkalized (pH>7), the availability of iron decreases, causing yellowing and dryness of leaves. It is recommended to use pH test paper every month. If alkalization is found, ferrous sulfate solution (0.2% concentration) can be adjusted. Substrate improvement techniques The ideal cultivation substrate should be mixed with peat soil, perlite, and leaf soil in a ratio of 4:3:3, and 50g of sulfur powder per cubic meter should be added to regulate acid for long-term purposes. For hardened soil, it is recommended to replace the substrate in conjunction with pot change, and retain 1/3 of the soil during operation to protect the root system. Space requirements ensure the timing of pot change. When the crown width of the plant exceeds 1.5 times the diameter of the pot opening, or the root system protrudes from the drainage hole in large quantities, it indicates that the pot needs to be changed. It is recommended to carry out before spring germination. The diameter of the new pot should be 5-8cm larger than the original pot. It is better to use breathable containers such as green mountain pots. Root pruning points When changing pots, cut off the black rotten root systems and retain the white healthy roots. Root masses that are severely entangled can be "uprooted": gently comb the outer root system with a disinfected bamboo stick to promote the germination of new roots. After changing pots, place them in scattered light to slow down the seedlings for 7 days. The physiological cycle should identify the characteristics of dormancy period. Natural wilting of plants 2-3 weeks after anthesis is a normal manifestation of dormancy. At this time, the stems will gradually lignify from top to bottom. The characteristics that distinguish it from morbid dryness are: synchronous yellowing of veins, full and hard bulbs, and no peculiar smell in the pot soil. Dormancy maintenance procedures reduce watering to once a month, stop using fertilizers, and control the ambient temperature at 5-12℃. Dead branches on the ground can be cut off, but 5 cm of stalks need to be retained as breathing channels. After the dormant period lasts for 2-3 months, new buds will germinate again from the top of the bulb.
Through regular soil testing, reasonable spatial regulation, and respecting plant growth rhythm, lily dry leaf problems can be effectively prevented. It is recommended to establish a maintenance log to record key data such as each pot change time and fertilization ratio, and adjust the maintenance plan in time based on the plant's response to keep the lily growing healthily.