Aquatic Crinums

James Waddick via pbs
Tue, 29 Jun 2021 09:38:05 PDT
Dear PBS,

	Lee keeps pointing me to plant interest of years ago. So my 2 cents.

	Aquatic Crinum species are far more available than my previous message about Ungernia.  I repeatedly see dormant Thai Crinum bulbs available in aquarium stores (although it has been a few years since I have searched). Years ago I visited a nursery outside of Atlanta GA that specialized in aquatic and aquarium plants and they sold 1 or 2 species of potted aquatic Crinum.

	I suggest the same Google search Lee mentions. As I recall the species I have seen in bloom tended to be small flowered with long narrow foliage

	I don’t believe they demand much more than a lot of water and warm temps.  A number of Crinum species are semi aquatic or tolerate submergence during the growing season.

	These are definitely growable and relatively easy to find.    Good luck		Jim W.. 

> On Jun 29, 2021, at 1:39 AM, Lee Poulsen via pbs <> wrote:
> There is some very good information on aquatic crinums in the PBS list archives. It seems to have started with a question from Jim Waddick, and quite a few people made comments with Alani Davis and Alberto Grossi providing some good information about their efforts to grow and flower them. The two search terms that brought up the most hits were “aquatic crinum” and “thaianum”.
> --Lee Poulsen
> Pasadena, California, USA - USDA Zone 10a
> Latitude 34°N, Altitude 1150 ft/350 m
>> On Jun 21, 2021, at 12:55 PM, Mark Mazer via pbs <> wrote:
>> Ask Dustin at
>> He has been very helpful in my growing Anubia and Cryptocoryne.
>> Also highly recommended: Ecology of the Planted Aquarium by Diana Walstad,
>> 3rd edition, ISBN 978-0-9673773-6-0
>> Mark Mazer
>> Hertford, NC
>> On Mon, Jun 21, 2021 at 2:17 PM Jane McGary via pbs <
>>> wrote:
>>> The following inquiry came via the website. If you can help, please
>>> write to Carl directly at the address below.
>>> Thanks!
>>> -------- Forwarded Message --------
>>> Subject:        PBS website contact:///Aquatic/ Crinums
>>> Date:   Mon, 21 Jun 2021 11:42:23 +0000 (UTC)
>>> From:   Apache <>
>>> Reply-To:       Carl <>
>>> To:
>>> This is a message from the PBS website for janemcgary.
>>> Hi
>>> I am curious about growing aquatic Crinums - at least two species
>>> (calamistratum and natans) are commonly offered in the aquaria trade
>>> here in the UK. but all the information that I can find about them comes
>>> from fish-keepers.....
>>> I have two main queries - what minimum temperature will the different
>>> species take (could they be grown as simple, if unusual houseplants?),
>>> and could they be grown in a simple glass or plastic aquarium, nothing
>>> else that would be nrmal for an aquarium intended for fish?
>>> Any help/advice that you could provide would be greatly appreciated.
>>> --
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