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Plant and Develop the Passiflora Caerulea (Blue Passionflower)

The passiflora caerulea, or blue passionflower, is so distinctive, it appears like a bit of summary artwork. Its curly, tentacle-like petals solely final for mere hours making them probably the most elusive, but attractive flowers to develop in your personal backyard. Develop one your self with this all-around passiflora caerulea information!

Close-up image of two blooming passionflowers and a bud growing on the same plant

There’s a tropical magnificence amongst us, and its title is passiflora caerulea. AKA, blue passionflower! Most individuals are accustomed to the purple passionflower, passiflora incarnata, however I needed to provide some loving to its however equally gorgeous blue sibling, passiflora caerulea.

The blue passionflower, or bluecrown passionflower, has a fame for being a troublesome grower. A giant a part of that comes right down to its unique look. In actual fact, the passionflower might be extremely low upkeep in the appropriate circumstances. You simply might end up with too many vines to depend!

If you happen to’re trying to develop a passiflora caerulea, carry on studying to study tips on how to develop, care, propagate, and use your blue passionflower.

This submit will cowl…

Meet the Blue Passionflower

One of the vital distinctive flowers round, you possibly can’t assist however stare at passiflora caerulea. The bottom has thick, whiteish petals with a layer of blue, white, and purple sepals. Within the center, it has each feminine and male reproductive components.

You could find blue passionflower blooms from late summer season to early fall. Whereas it has a reasonably lengthy flowering interval, the flowers themselves solely final for 48 hours. The flowers open at evening and slowly shut throughout the day. Pretty mild in perfume, the Constance Elliot cultivar is probably the most aromatic. However the butterflies can’t get sufficient of this flower!

The passiflora caerulea additionally produces egg-shaped fruits that flip from an unripe inexperienced to a ripe orangey yellow.

A quick grower, this vine can develop as much as 30 ft. It produces tendrils and attaches to different crops, close by buildings, or sprawls on the bottom in thick patches.

The passiflora caerulea is hardy in zones 11th of September. In tropical climates, it grows as evergreen however turns into deciduous in locations with cool winters. It’s recognized to resist as much as -15° C! Attributable to its deep root system, it might probably die again for the winter and are available again within the spring. They’re fairly frost tender and ought to be protected within the winter.

bluecrown passionflower fruit

Advantages and Makes use of of Passiflora Incarnata

There are over 520 species within the Passifloraceae household. Initially present in Central and South America, you can even discover passionflowers in North America, Australia, and Southeast Asia.

Many crops within the passiflora household have useful advantages. They’re recognized to work as a sedative, nervine, anxiolytic, antispasmodic, hypnotic, and anodyne. A lot of the analysis and makes use of heart across the purple passionflower, passiflora incarnata.

The blue passionflower fruits might be cooked whereas nonetheless unripe or eaten uncooked as soon as ripe. They are often was a drink, although the flavour isn’t one thing that appeals to most individuals. Some additionally use the flowers to make a syrup.

Planting Passiflora Caerulea

Blue passionflowers can tolerate each sandy and clay soils, however they like well-draining soil, non-alkaline soil. You’ll be able to take a look at the pH of your soil to ensure it’s an excellent match for passionflowers.

Plant your bluecrown passionflower in a sunny location that may additionally provide some shelter from harsh wind. Since they prefer to climb, attempt putting them by an arbor, trellis, or fence, however ensure to provide them some form of help.

To plant from seed, soak the seeds in heat water for 12 hours. Then, plant them in late winter or early spring indoors in particular person pots (ideally in greenhouse circumstances). If you wish to develop the plant outdoor, it’s greatest to hold the plant inside for its first winter to provide it an opportunity to construct an enormous root system first. The next spring, you possibly can plant them within the floor.

Any younger crops will profit from a layer of mulch within the late fall to assist defend them from the chilly.

Passiflora caerulea additionally works properly as a container plant. This helps to regulate their fast-spreading and lets you transfer the pot someplace sunnier or inside throughout the winter.

passiflora caerulea in bloom

Passiflora Caerulea Care


Please oh please, give the passiflora caerulea loads of solar! They thrive in full solar and won’t develop within the shade. They will deal with partial shade however undoubtedly are solar lovers.

In actual fact, their flower will open throughout sunny climate and gained’t open throughout cloudy or wet days. To get your blue passionflower to fruit, you’ll additionally want lengthy sizzling summers.


General, the passiflora caerulea likes to be stored moist. Ideally, do much less frequent however deep waterings. By reaching deep into the bottom for water, they get a stronger root system. This helps them survive the cool season and are available again within the spring. Throughout the winter, hold the soil roughly dry.


Go mild on the fertilizer on your passiflora caerulea as they’re quick growers naturally. Even an excessive amount of manure or compost can promote loads of foliage however few flowers.


Pruning isn’t crucial on your passiflora caerulea to be pleased. Nevertheless, it’s possible you’ll end up desirous to prune with a view to control the expansion and unfold of your blue passionflower. The flowers additionally develop on new progress.

If you happen to do need to prune, achieve this in late winter or early spring. They’re very tolerant of pruning. You’ll be able to even reduce all of them the best way again to floor stage if you wish to regenerate the plant. Subsequent spring, the passiflora caerulea might be good as new once more.

Pests and Ailments

One of many largest points with passionflowers is fusarium wilt. It is a soil-borne illness that causes yellow and dying leaves, department and trunk spitting, and root discoloration and dying.

One other widespread concern is cucumber mosaic. This will come from cucumber beetles and aphids, with a mosaic-like sample throughout the leaves inflicting sluggish progress and distortion.

The blue passionflower is notably immune to honey fungus.

As for pests, slugs and snails can chomp down a younger plant in only one evening. Caterpillars and beetles additionally prefer to feast on the big leaves whereas spider mites and scale might be discovered on the plant’s stems.

An all-natural pest management spray made with herbs might be useful in defending your passionflower.

blue passionflower

Passiflora Caerulea Propagation

To propagate passiflora caerulea, you should utilize both cuttings or layering strategies.


To make a reducing, snip it throughout the softwood stage (see this submit to know the distinction between softwood and hardwood). You desire a vine no less than 4-6 inches lengthy with a number of leaves on it. Reduce it slightly below a node (the place the leaves emerge from).

Dip the top in rooting hormone earlier than sticking it the top into the soil. Add some help if wanted. Cowl with a transparent plastic bag to behave as a mini greenhouse.

Place your reducing in a shady location and hold it moist. After a month, it ought to have rooted and is prepared for transplant to its common dwelling.


The very best time to propagate passiflora caerulea by way of layering is in the summertime. Take a vine that’s lengthy sufficient or at floor stage. Strip a piece of the leaves to kind a piece. Bury that portion of the vine underneath the soil and anchor the vine down with a rock if wanted.

Water the world properly and after a month, it ought to have rooted. Nevertheless, attempt to hold it related to the mom plant till spring to provide it its greatest probability at survival.

passiflora caerulea

Ceaselessly Requested Questions About Blue Passionflower

Can You Eat a Passiflora Caerulea?

Sure, the fruits are totally edible. Nevertheless, they’re not a really fascinating taste, just like a really weak blackberry flavour. You’ll be able to prepare dinner unripe fruit or eat ripe fruit uncooked. The flower petals will also be made into syrup.

Is Passiflora Caerulea Toxic?

The roots and leaves are poisonous. If ingested, it might probably set off an upset abdomen.

Is Passiflora Caerulea Invasive?

As it’s a quick grower, passiflora caerulea can get invasive. It grows lengthy runs and might have many offshoots. To regulate vines, prune new progress.

To do away with the vine totally, you’ll have to dig out its complete root system or it could develop again. Planting your passiflora caerulea in a container additionally helps to regulate their spreading.

Is Passiflora Caerulea Protected for Cats?

Because the roots and leaves are poisonous, it’s suggested to hold the blue passionflower away from cats, canines, and young children. See this full listing of crops poisonous to pets.

Go away some other questions you might have down under. Completely satisfied rising!

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