Two passion flowers on the vine this morning…in our zone 7 area, passion flowers must be treated as an annual. I bought this vine from Home Depot and bring it indoors right before the first frost, put it just inside my office patio doors (where it gets filtered light and I keep it watered) and take it out again in spring. I’ve been able to keep it going strong for four consecutive years now—not bad for my $20 investment, huh?
I noticed that passion flower is spelled as one word and as two words all over the web—by experts and novice gardeners alike. In past postings, I’ve spelled it as one word. Which do you prefer? Are they both correct?
There are more than 500 known species and several hundred hybrids of passiflora. Most are vine-flowering, although some are shrubs, and a few are herbaceous. Just nine species are found in the U.S. and Southern Asia has the most native species–17. The most common species in the southeastern U.S. is the Maypop, Passiflora incarnata. Its edible fruit is sweet, yellow, the size of a chicken’s egg, and few pests bother it. It is the larval food of a number of butterfly species and important to local wildlife. Carpenter bees are important pollinators of maypops.
For more information on passion flowers:
Passiflora Online is a comprehensive website with growing tips, FAQs, plant ID, hybrid and species images, pollinators, and much more.
Plants in Motion has videos of a passion flower in bloom and also short clips of bees visiting the flowers.
Tradewinds Fruit has a great database of passion flower blossoms. Click on the “related species” section on the left of the site to see a wide variety of passion flower plants.
See more of my passion flower photos in the links below:
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