If your lavender is not flowering, there might be a number of factors at play. This is dependent on a wide variety of things.
There must be a mistake in the way you are caring for the lavender plants if they do not blossom.
Wrong soil pH - It is possible that your lavender is suffering from stress caused by too acidic soil if it is not blossoming and is generally showing signs of poor development.
Click "Learn more" to know List of mistakes why your lavender is not blooming. (Guide)
Too much watering - When it comes to care for lavenders, the most frequent error that gardeners make is to over water the plants.
Unsuitable climate condition - If you want your lavender to blossom well, you need to provide it with the same kinds of conditions: full light, soil that drains well.
Lack of sunlight - One of the most common reasons for a poor bloom on lavender is that the plant does not get enough sunlight.
Soil is not fertilize -Whenfertilizeris applied to lavenders, the likelihood of their producing a magnificent purple bloom is diminished.
Wrong Pruning - When trimming lavender, the most important thing to remember is that you should never cut into the old wood stems.
Click "Learn more" to know Why your lavender is not blooming? (Guide)