Tigridia pavonia

Jacob Knecht jacobknecht@gmail.com
Mon, 23 Jul 2012 01:49:44 PDT

As long as you are planting them in well-drained soil in a north-facing
spot (would be south-facing in the Northern Hemisphere), they will persist
for many years even with winter rainfall.  In this Berkeley planting strip
they come back year-upon-year:
http://flickr.com/photos/xerantheum/… just as I believe they
do at the UC Berkeley Botanical Garden.


On 23 July 2012 00:46, Peter Taggart <petersirises@gmail.com> wrote:

> I must apologise Ina,
> Thank you for your correction Dylan.
> It is I who is in error on this this time, I am not so familiar with the
> rootstock of Tigridia.
> Looking them up, I see Brian Mathew puts them down as bulbs along with
> Trimezia described by him as bulbous/rhizomatous, and Herbertia described
> as bulbous.
> I shall look more closely at the rootstock of Tigridia when they are
> available in the spring here !
> However the rule of thumb given is not so good  unless Irids excludes the
> genus Iris as there are many old world Iris which are true bulbs, Iris
> xiphium is a true bulb! Iris reticulata is too, and Iris serotina,
> lusitanica, latifolia, Iris magnifica, aucheri, planifolia, palaestina,
> histroides ....... I grow many bulbous Iris from the old world, as well as
> many rhizomatous ones. Romuleas, Gladiolus, Crocus, Moreas  (Gynandriris)
> do have corms and occur in the old world too.
> Peter (UK)
> On Mon, Jul 23, 2012 at 5:24 AM, Hannon <othonna@gmail.com> wrote:
> > Tigridia species have true bulbs rather than corms. I believe this is
> true
> > for all New World irids with "bulb-like" rootstocks. Corms are the rule
> in
> > Old World genera.
> >
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