What should I do if cucumbers only bloom but do not bear fruit?

It is a common phenomenon when growing cucumbers that cucumbers only bloom but do not bear fruit. If it is not solved in time, it will often cause serious economic losses to farmers. Of course, before dealing with it, it is also important to understand the cause of its occurrence. So why do cucumbers only bloom but not bear fruit? What should I do? Let’s learn more about it below.

1. Too many male flowers

Cucumber flowers are divided into male flowers and female flowers, and only female flowers can bear fruit. If the cucumbers you plant only bloom but do not bear fruit, it may be because all the flowers that bloom are male flowers and there are no female flowers. The solution to this problem is to prune the vines in time to promote the formation of female flowers.

2. Improper watering

For example, if you do not pay attention to weather conditions when watering, or water blindly without following the growth rules of the plants, it will easily affect the growth and fruiting of the plants. The solution is to do scientific watering. The watering time should be determined according to factors such as weather and growth process, and be careful not to water on cold and cloudy days.

3. Improper fertilization

Excessive use of compound fertilizers makes the soil solution concentration too high, weakens the root absorption capacity, and affects the normal growth and fruiting of the plant. The solution is to combine the growth stage and fertilizer requirements of cucumbers, apply fertilizers scientifically and efficiently during the fertilization process.

4. Overdosage of pesticides

If the pesticide is sprayed excessively or irregularly, it will cause pesticide damage, leading to physiological disorders of the cucumber and affecting flowering and fruiting. The solution is to strictly follow the dosage, concentration, method and time specified in the instructions when spraying the pesticide. Once pesticide damage occurs, you can spray growth regulators such as brassinolide or Bihu to alleviate it, and at the same time add water and fertilizer to promote the plant's recovery growth.

5. Improper pollination

Cucumbers mainly rely on insects for pollination, but when the temperature is low in spring, if artificial pollination is neglected and only insect pollination is relied upon at natural temperatures, it will often result in a situation where only flowers bloom but no fruit is produced. The solution is to carry out artificial pollination to promote early fruit setting. Generally, auxiliary pollination methods such as cotton swabs or brushes can be used.

6. Harvesting is not timely

Some ripe cucumbers were not harvested in time, resulting in a lack of growth space and location for the new cucumbers, resulting in the phenomenon of only blooming but not bearing fruit. The solution is to harvest the cucumbers at the right time. Generally, the cucumbers can be picked one to ten days after the female flowers bloom.



In general, it is not a serious problem for cucumbers to only bloom but not bear fruit. As long as the cause is found out, the problem can be effectively solved, thereby promoting the healthy growth of cucumbers and bearing abundant fruit.