Passion Flower Not Blooming: Reasons Why Passion Flower Does Not Bloom

Passion Flower Not Blooming: Reasons Why Passion Flower Does Not Bloom

By: Kristi Waterworth
Image by USFWS/Southeast

The unusual flower and sweet fruits of wild passion flower sparked something in gardeners, who began to hybridize and collect passion flower vines in a frenzy. New gardeners feel the same spark when they see the vine in bloom, but become discouraged when their own passion flower does not bloom. No blooms on passion flower doesn’t necessarily mean you’re doing something wrong in caring for your plant; many over-loved passion flower vines will climb out of control but refuse to bloom.

Getting Passion Flower to Bloom

“How do you get a passion flower to bloom?” is a question commonly asked on garden forums across the web and shouted in earnest over back fences everywhere. It would stand to reason that if your passion flower vine was growing wildly out of control, it should be setting blooms, but this isn’t always the case.

Passion flowers require very exacting conditions to excite the urge to bloom. Passion flower not blooming is almost always due to something in the environment, so put on your detective pants and carefully inspect your plant’s living quarters while keeping the following in mind:

Age: Passion flowers don’t always bloom right away. Many species need several years to establish a solid root system before they begin to set blooms. Blooms are lovely, but they soon lead to resource-intensive fruits – your plant may need to build reserves before it’s ready for fruiting.

Fertilizer: Passion flowers, at their very core, are still more wild than domesticated. They don’t need to be pampered and they really would prefer that you didn’t bother. Nitrogen feedings, especially, may result in fast, spindly vegetative growth at the expense of flowers. The addition of phosphorus, like bone meal, can usually help offset this. Like many other native plants, passion flower thrives on neglect.

Lighting: Fruiting plants need as much sun as they can get, and passion flower is no exception. Even if you never intend to harvest them, your passion flower is hard-wired to turn those flowers you seek into fruit, and this means being able to create lots of food with the help of the sun. Check your passion flower during the day to make sure it gets at least eight hours of direct sunlight; otherwise, it may never bloom or bloom only sparsely when it tries.

Watering: Passion flowers are tough enough to handle drought conditions, but grow best when planted in a well-draining location and watered frequently. The soil should be moist, not wet. Water helps all plants transport raw materials to leaves, where they’re turned into food for the plant. Without adequate water, these systems may be disrupted.

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