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Thread: Passiflora (Passionflower, Passionfruit) Thread

  1. #9

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    Interesting. I'm not aware of any commercially available grafted Passifloras (including Passionfruit) in the U.S. I wonder if nematodes are more of a problem there?

    One thing that has been tried on a limited scale is grafting to temperature tolerant rootstock to extend the growing range of some species/hybrids with very particular needs--an example would be plants such as Passiflora parritae, shown above, and some of its relatives (other Tacsonias such as P. antioquiensis). The goal is generally to get extra heat tolerance for these plants which are usually only possible in cool summer climates. I've only heard limited reports of actual success, but in principle it can work.

    Here's one of the Passiflora edulis strains which is widely grown in the U.S., 'Nancy Garrison'. These are from a few years ago, in my old location:



    This is also one of the dark purple P. edulis strains--all of which are self-fertile. Purple when ripe.


  2. #10

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    I'm a big believer in giving sources of plants. I think it's OK here since these are not CP nurseries. If it's a problem, let me know and I will delete.

    Passiflora loefgrenii: Annie's Annuals and SF Botanical Garden (Strybing) for P. loefgrenii 'Iporanga'. UC Botanical Garden (Berkeley) for P. loefgrenii 'Corupa'
    Passiflora 'Manta' and 'Sunburst': From a trade (Kevin P., who is not on this forum, I think). My current 'Sunburst' and tiny 'Manta' are from others.
    P. parritae (not shown): SF Botanical Garden
    P. edulis 'Nancy Garrison': Grassy Knoll Exotics

    In general, I get most Passifloras from SF Botanical Garden, Annie's Annuals and Grassy Knoll Exotics. I recommend all of them highly.

  3. #11
    hcarlton's Avatar
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    Don't have a pic of the caerulea, because honestly everyone knows what those look like and mine is ugly right now, but here's the other Passiflora I grow currently
    One of these guys nearly kicked it in the repot, but they're all growing again
    Passiflora pinnatistipula by Hawken Carlton, on Flickr
    And this one needs a repot. You can also see the newly sprouted antioquiensis in the background.
    Passiflora coccinea by Hawken Carlton, on Flickr
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  4. #12
    Chief Cat Behavior Specialist Knuckles's Avatar
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    Any suggestions for a species that would do well in zone 8a north TX? I've been interested in growing passiflora b/c I love the fruit but they're also very beautiful. The flowers are just incomparable. I've had only 1 in the past from Santa Cruz that died quickly in TX.

  5. #13

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    Normally if you want flowers and fruit (that you actually want to eat) and plan to grow the plant outside all year, zone 8 limits you to Passiflora incarnata, and potentially some of its hybrids. A problem with P. incarnata is that it's not normally self-fertile, so you need 2 clones to get fruit. There are apparently some self-fertile varieties, but they are not commercially available that I'm aware of.

    P. tucumanensis and again, maybe some of its hybrids, are supposed to be fairly hardy and have good tasting fruits. They tend to be harder to find, and the straight species has a reputation as being difficult (and I think also not liking heat). P. 'Guglielmo Betto (P. incarnata x P. tucumanensis) is apparently a wonderful plant for flowers, but the fruits have only a small number of seeds (and the associated edible arils). I'm not sure whether it's self fertile.

    Besides those, I would look into P. elegans. I'm not 100% sure it would take your winters (or summers) but I think so. It's self-fertile, but I've heard differing opinions as to whether it's self-pollinating (it may be necessary to hand pollinate, but on the same vine). This is a smallish plant, with small flowers and small fruit. The leaves are trilobed and it's very attractive as a vine. It's closely related to P. actinia, but differs in the lobed leaves, smaller flowers/fruit, and is supposed to be more heat tolerant. I've been told by some people that it's their favorite passionfruit, taste-wise, others don't like it so much. I think it might bloom mostly or exclusively in the Spring, but I'm not sure.

    I have a ton of P. elegans cuttings from a friend, but they are recent. I have had bad luck trying to root it in the past. Grassy Knoll and Brushwood sell the plant.

    If edible fruit is less of an issue, there is P. caerulea and a number of hybrids of that. P. lutea is sometimes mentioned because it is extremely hardy (zone 5), but the flowers are tiny.

  6. #14
    BS Bulldozer SubRosa's Avatar
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    Here's a crappy pic of a beautiful plant that grew from one of the cuttings so generously given to me by Randy a few months ago. P. sanguinolenta. It has already produced a couple flowers on the original stem, but those buds are all on new growth. Next time a flower opens I'll get a pic:
    Attached Thumbnails Attached Thumbnails Passiflora (Passionflower, Passionfruit) Thread-img_20150530_094922-jpg  
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  7. #15
    BS Bulldozer SubRosa's Avatar
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    Here's a crappy pic of a beautiful plant grown from one of the cuttings I received through Randy's generosity, P. sanguinolenta. It's already bloomed on the original stem, but all of the growth in the pic is new. I'll post a flower pic next time one opens:
    Attached Thumbnails Attached Thumbnails Passiflora (Passionflower, Passionfruit) Thread-img_20150530_094922-jpg  
    Judge not lest ye be judged creates a cesspool. Judge others and prepare to be judged by them.
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  8. #16
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    The flower:
    Attached Thumbnails Attached Thumbnails Passiflora (Passionflower, Passionfruit) Thread-img_20150531_082106-jpg  
    Judge not lest ye be judged creates a cesspool. Judge others and prepare to be judged by them.
    Just know when to keep the verdict to yourself.

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