tall plant

one of my plants are almost hitting the light but have no room to higher it up plus they still have growing todo as their only week 1 into flowering what should i do ???

greetings from northern california, I'm a very low-tech home grower enthusiast, just 2 ladies on my deck which is what I've done most years. This year, I have a lady who is by-far the tallest I have ever had the pleasure to grow. Must be 6 1/2 ft so far and the flowers are just beginning to show...