Four Common Deficiencies in Winter Orchid Culture

Winter orchid planting in addition to reasonable watering, fertilization is also an important measure of orchid conservation, when orchids lack of different growth elements, will show the corresponding symptoms of element deficiency, only a clear understanding of each element deficiency situation, can prescribe the right medicine.

1. Phosphorus deficiency

Phosphorus element can promote the growth of leaves. If the orchid plants are lack of phosphate fertilizer, the symptoms are that the growth rate of leaf buds is slow, the time of growing roots is delayed, and the leaf edge will be curled.

Solution: choose potassium superphosphate leaching solution to irrigate the root, once a week, can also spray a certain concentration of foliar phosphate fertilizer, once every 3-5 days, spray 3 times can almost return to the normal state.

2. Magnesium deficiency

If the lack of magnesium, orchid leaves will appear yellowing phenomenon. The tips and edges of the old leaves will turn yellow and even curl.

Solution: spray the leaves with 0.5% magnesium sulfate solution in the evening. Spray twice a week for two weeks in a row.

3. Potassium deficiency

If the orchid lacks potassium, the symptom is the yellowing of the leaf edge and tip, usually starting from the old leaf. Gradually spread to the new leaves, the color also gradually deepened to brown.

Solution: you can first use 0.5% potassium sulfate solution to irrigate roots and spray leaves, or you can choose to use plant ash.

4. Nitrogen deficiency

Nitrogen element can promote the growth of leaves, if lack, the new leaves will be yellow, poor gloss.

Solution: you can generally choose to use potassium sulfate compound fertilizer solution to irrigate the roots, or spray orchid leaves with diluted urea solution in the afternoon, twice a week.

There are many things to pay attention to in winter orchid planting, which is determined by the growth of plants in different seasons. only targeted application of fertilizer, the growth state of orchids will be better and better.