Moonflower, Night Blooming Vine, White Flower, Fragrant, 40 Seeds MOONFLOWER (Ipomoea alba noctiflora) WINNER/ BUYER GETS 40 SEEDS!!! Annual White 10 to 15 ft long vine Full sun or part shade The seeds are huge! Guess that's why the flowers are so huge...up to 6" across. They stay closed most of the day and quickly open at night. You can watch them unfold and expel a perfumed fragrance if you are there at the time of opening. Comes with planting instructions.