Phenomenal lavender typically blooms in the mid Summer and if deadhead regularly, can bloom until the Fall. There are a few reasons why lavender phenomenal may not bloom… The most common reasons for lavender phenomenal not blooming are because of fertilizer or planting the lavender in nutrient rich soil.
Does lavender bloom the first year?
Once the lavenders are settled in the ground they will grow slowly the first year, but most of them will bloom, and by next year you will have a splendid supply of lavender to plant into a hedge or use as a colorful border for your perennial bed.
How long does it take phenomenal lavender to grow?
Although 2 feet may seem quite far apart when first planting new plants, remember that 'Phenomenal' is a fairly large lavender and it will grow to its full size in around 2 years, so some patience is necessary but they do look spectacular when in bloom in the Summer.