The Passiflora Caerulea (Blue Passion Vine) Full Care Guide

The Blue Passion Vine, otherwise known as the Passiflora Caerulea or Blue Passion Flower, Blue Crown, Common Passion Flower, Flower of Five Wounds, Southern Beauty, Wild Apricot, is a well-known climber plant by gardening enthusiasts around the world.

Best known for its low to average maintenance and fast growth, this climber will likely liven up your house (or garden) with its beautiful flowers. But, only if you learn how to take proper care of it for it to thrive.

Fortunately, taking care of your Blue Passion Vine is not too difficult – as long as you follow our guidelines in this Blue Passion Vine Care Guide. Now let’s get started.

The fundamental caring guidelines for every Blue Passion Vine can be summed up into the following:

  • Water: The Blue Passion Vine prefers constant watering each week and more during the hot season.
  • Light: Keep your Passiflora Caerulea in an environment where it can receive partial to full sun on a daily basis. 
  • Soil: Make sure to keep the Blue Passion Vine in soil with moist but well-draining properties, so ideally, one that is made of clay, loam, chalk, and sand.

And as with many other plants, these are the only three care factors you need to remember to make sure your Blue Passion Vine is, for the most part, healthy and well to survive.

Scientific / Botanical Aspects

In botanical terms, the Blue Passion Vine belongs to the Passifloraceae family, the genus Passiflora and the species Caerulea, hence its scientific (or botanical) name Passiflora Caerulea (pass-ih-FLOOR-ah see-ROO-lee-uh).

As with other Passiflora’s, the Blue Passion Vine is a semi-evergreen plant, which means it will shed its leaves but only for a short period of time.

Growing Region

The Blue Passion Vine is a plant native to Bolivia to Brazil and North Argentina.

You might be wondering why your Blue Passion Vine’s native region is important. Well, if you know where your plant originally came from, you’ll know which environment conditions it prefers, and with it, knowledge on how to replicate it at home.

With this in mind, the Passiflora Caerulea will be most used to the heat zones in the 6 – 9 region, and in climate zones that range between 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2.

Growth and Size


In terms of size and growth, the Blue Passion Vine is a relatively fast grower, which makes things tricky for any plant enthusiast.


But what exactly does this mean for your Blue Passion Vine? How large a pot should you consider, how tall, how wide can it get? Let’s jump in…

The Passiflora Caerulea can grow up to 20′ – 30′ (6m – 9m) in 20′ – 30′ (6m – 9m) and 3′ – 6′ (90cm – 180cm) in 3′ – 6′ (90cm – 180cm). 


In terms of watering, the Blue Passion Vine is a fairly simple plant to take care of. This is mostly because it has a straightforward watering schedule and somewhat regular watering needs.

Specifically, most experts agree that the Passiflora Caerulea prefers constant watering each week and more during the hot season.

Which is why it is considered a plant with relatively average needs in terms of water. 

As a rule of thumb, you should remember to keep your Blue Passion Vine in soil with moist but well-draining characteristics, as these will guarantee the right conditions for your plant to grow and thrive. 

In our experience, the famous ‘thumb’ or ‘finger’ test is what works best for the Blue Passion Vine since with it, you will be able to give it the right amount of water, every time – regardless of the environment or placement where you do decide to keep it.

Soil Mix

The Blue Passion Vine’s ideal soil potting mix is made out of clay, loam, chalk, and sand.

In addition to this, expert gardeners recommend having preferably alkaline, acid or neutral soil.

Light and Placement

In terms of light & exposure, the Blue Passion Vine requires partial to full sun in order for it to thrive under the right conditions. 

Most experts agree that this climber will do well as long as you keep it in partial to full sun, and it will be able to grow properly.

Specifically, we recommend that you place your Passiflora Caerulea in 


Being a semi-evergreen plant, the Blue Passion Vine will shed its leaves but only for a short period of time. But, you can expect it to have its ‘prime-time’ during the summer (early, mid, late), and during the fall.


In particular, this climber is well known for its long bloom season, fragrant and showy flowers around the plant enthusiast community.

The Blue Passion Vine produces some beautiful violet-blue, or blue flowers around this time of year.


The leaves from the Blue Passion Vine have a beautiful dark green color during most of the year.

Attracts, Tolerance and Resistance

The Blue Passion Vine is well known for being able to attract butterflies, so keep that in mind when choosing your plant, as you’ll likely end up finding one or another in your garden.


Does your Blue Passion Vine have any garden recommendations? Does it serve any gardening purposes? Here’s how you can get the most out of your new plant.

Most Passiflora Caerulea owners agree that this climber will look great in most cottage and rustic gardens of all types. Other owners consider that they compliment well most gardens of informal and cottage, city and courtyard, and in mediterranean garden styles. 

In particular, the Blue Passion Vine’s best location within your garden is in trellises, arbors, wall-side borders, pergolas, patio and containers, and in walls and fences, others use it for landscaping in a poolside, container, espalier, or a privacy screen.

Companion Plants

Blue Passion Vine’s do well with some other plants beside it. One good companion plant is the Gardenia, which will pair up nicely with your leafy friend.

Others consider that a nice Tibouchina will work well too, so choose whichever you find works best for you!


And we’ve come to an end. Fortunately, that’s everything you need to know about your Blue Passion Vine to keep it safe and sound in your garden or home. Enjoy planting!

Martin Duran

Hey y'all! My name is Martin Duran and I am from Cali, Colombia. Since 2018 I have been learning about plants and how to take care of them. Here's is my journey... “The clearest way into the Universe is through a forest wilderness.” ― John Muir

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