Still growing!

My #JohnSlavinSunflowers2018 seem determined to reach the sky. I wonder how much taller they’ll grow, basking in this summer heat, and spurred on by my lavish nightly watering? They’re already tall, towering above my 5 ft 3 ins, and most of them have yet to open their fat, lofty flower buds, so they may yet have a little way to go ...