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eric242

Araucariaceae collection at Leu Gardens; Agathis and Araucaria

eric242
7 years ago
last modified: 7 years ago

Here are some photos of the Araucariaceae collection at Leu Gardens. There are different species of Agathis and Araucaria. Unfortunately Wollemia won't grow here. But there may be hope with grafting it onto Agathis robusta.


Leu Gardens is located in Orlando, Florida and is located in USDA climate zone 9b/10a.

The first photo is a group shot. Araucaria hunsteinii is on the left, Araucaria cunninghamii in the middle and Agathis robusta on the right.

Comments (44)

  • eric242
    Original Author
    7 years ago

    Agathis australis, not a fast grower here


  • eric242
    Original Author
    7 years ago

    Agathis corbassonii




  • eric242
    Original Author
    7 years ago


    Agathis lanceolata


  • eric242
    Original Author
    7 years ago
    last modified: 7 years ago

    Agathis macrophylla



  • eric242
    Original Author
    7 years ago


    Agathis moorei





  • eric242
    Original Author
    7 years ago



    Agathis robusta



  • eric242
    Original Author
    7 years ago


    another Agathis robusta


  • eric242
    Original Author
    7 years ago



    Araucaria angustifolia



  • eric242
    Original Author
    7 years ago
    last modified: 7 years ago

    Araucaria araucana x angustifolia


  • eric242
    Original Author
    7 years ago


    Araucaria bidwillii, this specimen was planted about 16 years ago. Previously a 70ft tall specimen grew here but was killed by lightning. It was a historic specimen planted in the early 1900's.





  • eric242
    Original Author
    7 years ago

    Another Araucaria bidwillii growing in more shade


  • eric242
    Original Author
    7 years ago
    last modified: 7 years ago

    Araucaria biramulata

  • eric242
    Original Author
    7 years ago



    Araucaria columnaris, mistakenly sold as A. heterophylla, "Norfolk Island Pine" in the nursery trade, this is very common in central and southern Florida.



  • eric242
    Original Author
    7 years ago

    Araucaria cunninghamii


  • eric242
    Original Author
    7 years ago


    Araucaria cunninghamii, glaucous form


  • eric242
    Original Author
    7 years ago

    Araucaria heterophylla (rare in Florida)


  • eric242
    Original Author
    7 years ago

    Araucaria hunsteinii





  • eric242
    Original Author
    7 years ago



    Araucaria laubenfelsii


  • eric242
    Original Author
    7 years ago


    Araucaria luxurians



  • eric242
    Original Author
    7 years ago


    Araucaria mackeeii


  • eric242
    Original Author
    7 years ago

    Araucaria montana


  • eric242
    Original Author
    7 years ago

    Araucaria nemorosa



  • eric242
    Original Author
    7 years ago

    Araucaria neocookii




  • eric242
    Original Author
    7 years ago


    Araucaria rulei


  • eric242
    Original Author
    7 years ago

    Araucaria rulei



  • eric242
    Original Author
    7 years ago



    Araucaria scopulorum


  • Gibson Zone 9 (Central Valley, CA)
    7 years ago

    Wow, those Araucarias are especially beautiful. Thanks for sharing.

    eric242 thanked Gibson Zone 9 (Central Valley, CA)
  • wisconsitom
    7 years ago

    Awesome.

  • Embothrium
    7 years ago
    last modified: 7 years ago

    I missed all these when I was there. Thought I walked around most of the place, too. I did have somebody with me who wasn't a gardener, had limited interest as well as problems walking far.

    (A bunch of specific trees at Kew also got past me. This time I was traveling with a plant person, but they thought we didn't need to see all of it. We were also there early in the year, when not everything was in leaf, and a lot of the trees weren't labeled).

    Leu araucarias clearly a major collection, although many of them are thin due to the shading. Of course, the thinking may be that they need protection from the heat in the early years.

    Reminds me of all the rare conifers at Humboldt State University. There is also a comparatively new, multiple species araucaria display at Balboa Park. It's off in a fringe area, unfortunately, on an open lawn near an arterial. And had no labeling when we were there. Bums had been hanging out there already, I can only imagine what will happen when the conifers fill in.

  • eric242
    Original Author
    7 years ago

    Some are growing in shade but it is bright filtered shade that gets some full sun during the day. This also helps with frost protection if we ever get a bad freeze. Most are planted adjacent to the cycad collection to connect 2 prehistoric collections though there are some Araucariaceae growing among the cycads along with Ginkgo, Metasequoia, Magnolia, horsetail, and tree ferns.


  • wisconsitom
    7 years ago

    Seeing this again Eric, I caught a whiff of Florida in my mind's nose. It's six below zero Fahrenheit here this morning! Thanks again for a nice treatment.

    eric242 thanked wisconsitom
  • davidrt28 (zone 7)
    7 years ago
    last modified: 7 years ago

    I missed this post the first time. Nice to see these growing somewhere in the eastern US...still seems a little more accessible than SoCal although I haven't been to Florida in ages. I wonder if it is too hot for Agathis australis? (which is actually native to the North Island of NZ, not Australia.) Maybe it needs to be grafted onto the more heat tolerant Agathis robusta from AU? Do any other conifers native to the mainland of NZ manage to grow there?

  • eric242
    Original Author
    7 years ago

    It probably is too hot here for Agathis australis, especially summer nights when from May to Oct. it doesn't get below 70F and usually is above 75F at night. I've tried other NZ conifers and none grow here except Dacrycarpus dacrydioides.

  • davidrt28 (zone 7)
    7 years ago
    last modified: 7 years ago

    Well conifers are tough generally speaking. What about broad leaved plants from NZ. Do any survive for you? I don't remember seeing Phormiums in the deep south...but I guess I could just have missed them. Amazingly a book about gardening in New Orleans claimed that Azara microphylla will grow there. Yep, a Chilean plant from the faraway land of eternally low dewpoints...but...related to willows so perhaps being in a weedy family explains the quite anomalous ability to survive intense humidity and hot, wet soils. So I was prompted to try one and indeed, it is unbothered by summers here in MD. One of the only Chilean plants you can say that for. (of course it is barely hardy enough for the winters, but I'll cross that bridge when I come to it)

    I wonder if you could grow Freycinetia banksii? Again, maybe being from a strange family, even for New Zealand, might help. Good luck finding it! There are other, more tropical members of that genus too.

  • wisconsitom
    7 years ago

    You're travelling in strange lands there, davidrt!

  • davidrt28 (zone 7)
    7 years ago

    And even worse trying to grow the plants of strange lands ;-)

  • eric242
    Original Author
    7 years ago
    last modified: 7 years ago

    We have tried NZ plants but without luck. Phormiums just don't make it through the summer here. I wish they would.

    Freycinetia, now you're talking! Pandanaceae are one of my favorite groups of plants and we have a young pandan collection here. We have about 25 different species of Pandanus here. The only Freycinetia I have ever been able to acquire is F. cumingiana, a shrubby species from the Philippines that is cold sensitive. I would love to try some NZ Freycinetia, escpecially the vining species.

  • Mike McGarvey
    7 years ago

    What about Cunninghamia or Thujopsis? Are they grown there?

  • davidrt28 (zone 7)
    7 years ago
    last modified: 7 years ago

    I guess you saw my other recent thread? In all my life of observing plants, I think seeing Freycinetia banksii in habitat came the closest to outright blowing my mind as the cliche goes. Actually, comparable to the first time I saw a full sized. well grown flowering Phormium in Nice, France as a 19 year old. You* just never forget seeing such strange plants.

    * - well if one is a lover of plants haha. I guess most punters see such things, or the New Caledonian Araucarias, and are just like, eh, whatever?

  • eric242
    Original Author
    7 years ago
    last modified: 7 years ago

    Cunninghamia grow here but I think it looks better in north FL on the heavier clay soils than our sandy soil. We are growing C. lanceolata (and the cultivars 'Glauca' and 'Samurai'), C. konishii and C. unicanaliculata. I know C. unicanalicuata is lumped back into C. lanceolata but it is the best grower here. The dwarf, prostrate forms just haven't grown well. They get fungus after a few years and brown out. I have tried C. konishii 'Coolwyn Comp', C. konishii 'Litte Leo', C. lanceolata 'Greer's Dwarf' and an unnamed dwarf C. lanceolata.

    I am also growing 3 different Thujopsis; T. dolobrata var. hondae, 'Koreanum', and 'Nana'. The cultivar 'Variegata' will just not grow here. I have tried several in sun, deeper shade, bright shade and part sun (morning sun, afternoon shade) with no luck.




  • eric242
    Original Author
    7 years ago

    Davidrt28, great photos! The Freycinetia is awesome!

  • davidrt28 (zone 7)
    7 years ago

    Thujopsis 'Variegata' looks pretty mangy at Duke Gardens. Maybe they just aren't suited to the south.

  • Mike McGarvey
    7 years ago

    Thank you, Eric.

    Cunninghamia is a real water hog. When a branch is removed, it's quick to wilt. Maybe that's why it likes heavier soil. My Little Leo is doing fine, but it's still very young.