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Passiflora caerulea - L.
                 
Common Name Passion Flower, Bluecrown passionflower, Blue Passion Flower
Family Passifloraceae
USDA hardiness 9-11
Known Hazards None known
Habitats Not known
Range Central and Western S. America - Brazil.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Full sun

Summary
Bloom Color: White. Main Bloom Time: Early fall, Late summer. Form: Spreading or horizontal, Variable height, Variable spread.

Passiflora caerulea Passion Flower, Bluecrown passionflower, Blue Passion Flower


(c) 2010 Ken Fern & Plants For A Future
Passiflora caerulea Passion Flower, Bluecrown passionflower, Blue Passion Flower
(c) 2010 Ken Fern & Plants For A Future
   
Physical Characteristics
 icon of manicon of climber
Passiflora caerulea is an evergreen Climber growing to 10 m (32ft) by 10 m (32ft) at a fast rate.
It is hardy to zone (UK) 7 and is not frost tender. It is in leaf 12-Jan It is in flower from Jun to September, and the seeds ripen from Sep to November. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Synonyms

Habitats
Woodland Garden Sunny Edge; Dappled Shade; South Wall. By. West Wall. By.
Edible Uses
Edible Parts: Flowers;  Fruit.
Edible Uses:

Fruit - raw or cooked[2, 4, 105]. The unripe fruits are cooked[177], whilst the ripe fruits are eaten raw or made into a refreshing drink[183]. The flavour is not very desirable[3]. The fruit is about 6cm long and 4cm wide, it is partly hollow and contains a small amount of pleasant acid-tasting pulp surrounding a large quantity of seeds[K]. The flowers can be made into a syrup.
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known
Other Uses
Rootstock.

This plant can be used as a rootstock for some of the less hardy members of this genus, conferring on them an additional cold tolerance. Be careful that root suckers do not take over from the grafted plant[200].
Cultivation details
Landscape Uses:Arbor, container. Requires a well-drained soil with plenty of moisture in the growing season, otherwise it is not fussy[1, 200]. Dislikes highly alkaline soils[202]. Hardy to about -15°c, if plants are cut down to the ground by frost they can regenerate from the base[200]. Very fast growing[11]. Roots of outdoor grown plants should be restricted to encourage fruiting[1]. Plants produce tendrils and climb by attaching these to other plants. The plant has a very long flowering period, from early summer to early autumn, though individual flowers only live for about 48 hours[245]. The flowers are open all night and start to close in the morning[260]. The flowers are delicately scented[245]. The cultivar 'Constance Elliot' is more fragrant[245]. If fruit is required, especially when the plant is grown indoors, it is best to hand pollinate using pollen from a flower that has been open for 12 hours to pollinate a newly opened flower before midday[88, 200]. The flowers open in sunny weather and do not open on dull cloudy days[219]. Fruit is only formed after long hot summers in Britain[166]. Plants are very tolerant of pruning and can be cut back to ground level if required to rejuvenate the plant[202]. Any pruning is best carried out in the spring[219]. Plants in this genus are notably resistant to honey fungus[200]. Special Features: Not North American native, Wetlands plant, Attracts butterflies, Attractive flowers or blooms.
Propagation
Pre-soak the seed for 12 hours in warm water and then sow late winter or early spring in a warm greenhouse. If sown in January and grown on fast it can flower and fruit in its first year[88]. The seed germinates in 1 - 12 months at 20°c. Prick out the seedlings into individual pots when they are large enough to handle. It you are intending to grow the plants outdoors, it is probably best to keep them in the greenhouse for their first winter and plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Mulch the roots well in late autumn to protect them from the cold. Cuttings of young shoots, 15cm with a heel, in spring[1]. Leaf bud cuttings in spring. Cuttings of fully mature wood in early summer. Takes 3 months. High percentage[3].
Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Passiflora actiniaPassion Flower30
Passiflora edulisPassion Flower, Purple granadilla21
Passiflora herbertiana 20
Passiflora incarnataMaypops - Passion Flower, Purple passionflower, Apricot Vine, Maypop, Wild Passion Flower, Purple Pa33
Passiflora membranaceaPassion Flower30
Passiflora mollisimaBanana Passion Fruit30
Passiflora speciesPassion Flower30
Passiflora tetrandra 10
Passiflora umbilicataPassion Flower20
Passiflora x colvilliiPassion Flower20
Passiflora x exoniensisPassion Flower30
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Expert comment
 
Author
L.
Botanical References
11200
Links / References
For a list of references used on this page please go here
Readers comment
 
Elizabeth H.
david Tue Jan 9 05:16:10 2001
Apparently P. coerulea (with an o not an a, I expect it is the same plant) has been used for nervous and menstral complaints in much the same way as P.incarnata in Paraguay. I've no idea of safety or effectiveness. I've been drinking a relaxing tea of herbs including P.incarnata, is very nice, I expect it is the very nice ingredient. Seems to provide a similar degree of ease, relaxation as beer or (I imagine) dope without the often undesirable(& illegal) intoxication. It also appears to be quite compatable with physical work to me, even helpful.

Have never seen a P.incarnara plant, think it may not be in this country (New Zealand). p.caerulea is available here, haven't tried itm dont know if I will.

ref: p213(footnote.) Maori healing and Herbal . Murdoch Riley. Viking Sevenseas Ltd.1997

Elizabeth H.
David Nicholls Thu Jan 11 02:36:46 2001
Since writing this I've read in the widely available book "Tyler's Honest Herbal" that P. caerulea has harmful substances in it(& identifies them) and says that confusion between this and p. incarnata has given P. incarnata an undeserved bad name. (I won't go into details in respect to copywrite and his hard work).

So the above info on Paraguay uses is not for the home experimenter, I certainly won't be trying it . Perhaps there would be potential for chemists to seperate toxins from useful costituents, if there are any.

Learning more about what they do with it in Paraguay would still be of interest to me.

Elizabeth H.
David M. Chandler Tue Jul 19 23:02:47 2005
See also: http://www.cis.um.edu.mt/~phcy/symp98/SimoneSchembri.html

Link: Botanicls Online Details of P. caerulea's use medicinally

Elizabeth H.
Mrs Susan Washington Thu Jul 15 17:52:38 2004
Could someone tell me what part of the flower do I get the seed from. My plant is doing extremely well and I have one friut growing at the moment. Thankyou. Sue
Elizabeth H.
Martin Short Sat Sep 6 2008
Good Morning, Just wanted to learn a little bit extra about the fruit and any do's and don'ts on the eating of it. I assume that when te fruit has gone orange all over they are ripe. They can, I undersatnd be eaten raw - perhaps with a little sugar. Any other suggestions as to what to do with them would be great. Many Thanks Martin
Elizabeth H.
Alastair Bruce Tue Sep 23 2008
My Caerulea, the third grown in succession, is about to suffer the same fate as the others - the leaves are drooping and I expect the plant will die. All summer it has been fine, with flowers and good growth. This one is a cutting from the last, snatched as a last gasp. I use Innes no 2 or 3 and the pot is about 15" diameter. Am I jinxed or are they herbaceous? It is in a cold greenhouse. Any help gratefully reveived.
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Subject : Passiflora caerulea  

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