Passionflowers are rapid growers, coming back every year in zones 7-11. Does passion flower bloom all year? The unusual-looking flowers bloom from midsummer to early fall but last about one day.

Passiflora ciliata, natural range Mexico to North Colombia, South Florida to Caribbean. Seen here growing in Israel. Edible but slightly bland fruit.

The majority of studies reported reduced anxiety levels following the administration of Passiflora incarnata preparations, with the effect less evident in people with mild anxiety symptoms. No adverse effects, including memory loss or collapse of psychometric functions, were observed.

Passionflower (Passiflora incarnata) was used traditionally in the Americas and later in Europe as a calming herb for anxiety, insomnia, seizures, and hysteria. It is still used today to treat anxiety and insomnia.