The fast growing Red Passion flower vine blooms an abundance of multi-petaled bright red star shaped flowers most of the year. It flowers heaviest winter through spring. The 3-5 inch flowers are absolutely spectacular to look at. This vine can easily be container grow and may be pruned from time to time to keep it within bounds. The passion vine can be planted in the ground in zone 9 or higher. Passion flower will grow to 30-50 feet in one year. 6-6-6 is recommended for good growth and flower production.