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Chats about Adenium 2022 by GigiPlumeria Sep 30, 2022 4:05 AM 1,430
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Chats about Adenium seedpods, seeds and seedlings by GigiPlumeria Sep 30, 2022 3:44 AM 825
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Chats about Adeniums by Rainbow Sep 29, 2022 5:53 PM 3,610
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Let's see what else we are growing by drdawg Sep 28, 2022 10:38 PM 390
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Adenium Propagation by cuttings by GigiPlumeria Sep 28, 2022 12:22 AM 72
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Sculpture art and experiments on Adeniums by chhari55 Sep 26, 2022 9:31 PM 13
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My first Desert Rose (from Lowe's) by Murky Sep 26, 2022 8:25 AM 137
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Adenium HELP! by GigiPlumeria Sep 25, 2022 1:53 PM 191
Tips for overwintering adenium indoors by deepsouth Sep 23, 2022 9:21 PM 6
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Mosaic Virus on Desert Roses by GigiPlumeria Sep 23, 2022 5:28 AM 126
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Adenium root training by Kaktus Sep 22, 2022 4:47 AM 92
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Adenium Challenge by Kaktus Sep 21, 2022 10:21 PM 134
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Hand Pollination of Adeniums by GigiPlumeria Sep 10, 2022 6:48 AM 29
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Character Adenium development by Kaktus Sep 9, 2022 6:08 PM 23
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Root Decorating of " Dino King " by RCanada Sep 3, 2022 3:53 PM 6
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Any signs of root rot/advice by goblin179 Sep 2, 2022 11:48 AM 7
Adenium not flowering by Browneyedsusan Sep 2, 2022 7:09 AM 7
Shade or no? Increase humidity? by power270lb Aug 30, 2022 8:38 AM 237
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Experiment: Encouraging Branching Without pruning by GigiPlumeria Aug 26, 2022 11:39 AM 28
Icon for question_markHow to induce my desert rose to send out seed pods by Phil99T Aug 22, 2022 7:40 PM 7

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Adeniums database:

  • This comment is about the former Adenium arabicum, a wide-bottomed Arabian form of the desert rose. This form is apparently considered a synonym of the type species of Adenium obesum, according to the CoL. I don't know the details. I will use the former name here.

    Adenium arabicum is a native of Yemen and Saudi Arabia, and it can be distinguished from the typical Adenium obesum based on a few features other than geography. The leaves tend to cluster at the top of stems and they are minutely pubescent. The stem is wider at the base and more bottom heavy in its general proportions.

    This plant has been used in hybridization with other forms of Adenium because of its shape (vegetative characteristics). When you raise it the right way, exposing the roots, you can arrive at a fascinating, otherworldly form where the difference between stem and roots blurs in a really attractive way. This is particularly popular in southeast Asia. Really old plants can be totally spectacular, almost unreal, especially in bloom.

    Like other Adeniums, this variant likes good drainage, full sun and warmth, regular water at a higher frequency during the leafy phase than during the leafless one. It does not tolerate cold but there's no problem in our zone 11 climate.

    However, our climate maxes out around 90°F and my plants do not put on much stem growth until we have temperatures in the 80s for several days. Otherwise the internodes are really short, which makes for an excellent form if your goal is for a fat-bottomed plant. Expect limited stem growth in cool climates.
  • This is a floriferous desert rose that produces clusters of 3 or more blooms on a single stem. The blooms start as light canary yellow. As the blooms get older, the color starts to turn light to darker pink with yellow undertones. It is quite a beautiful sight when this plant has canary yellow and pink blooms at the same time. This is supposed to be a Thai hybrid that has been mass produced but still is somewhat uncommon in the U.S. at this time.
  • Potting media for Adenium

    Mix together:

    1 Part: Coconut Coir -
    1 Part: Poultry Grit (chicken grit) /or Pea Gravel - (sift out fine grain silt) -
    1 Part: Sand - coarse Builder's Sand, Leveling Sand, or Horticultural Sand - (sift out fine grain silt) -
    1 Part: Lump Charcoal - (Break-up or crush larger pieces) - (sift out fine grain silt) -
    1 Part: Lava-rock – (volcanic cinders or pumice) (crush larger pieces) - (sift out fine grain silt) -

    Optional: mix with above

    1 Part: Redwood Bark / Orchid (Phalaenopsis) Mix - Break-up, cut or crush larger stems & bark
    1 Part: Perlite - coarse (#4 large)

  • The Desert Rose is a wonderful ornamental plant with its unusual bulbous, caudex base and beautiful blooms that come in shades of red, pink, and white. In nature, Adenium obesum reaches heights of 8 to 10 feet, but smaller specimens are grown as patio container plants or indoor houseplants and they are also popular trained as bonsai. Desert Rose is drought tolerant and prefers high light, doing best in full sun situations. It is considered evergreen but will lose its leaves during severe dry periods. The sap of Adenium obesum contains toxic glycosides, and care should be taken when pruning or handling the cut stems.
  • First big wave of "captive" socotranums released from a Southern California nursery in 2004.
  • » More comments
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