[Arisaema-l] What Happened To My Seedlings

[Peter Taggart]

This all sounds reasonable.

However the myth that Arisaemas have corms is wrong. Corms have a precise
internal structure. Arisaemas have tubers
Peter


On Sat, Dec 28, 2013 at 8:51 PM, Aad van Beek <avbeek1 at hotmail.com> wrote:

> David,
>
> When I sawed the arisaema seeds in Mai last year I used 7 cm (3 inch)
> square containers The soil was 50% regular potting mix, 20% pumice, 20%
> course sand and 20% perlite. Filled the containers with the potting mix up
> to 1,5 cm (0.6 inch) under the top. Made the soil soaking wet. Put all the
> seeds from 1 packet on it (these seeds were soaked in water for about a
> week, refreshed it ones). Put about 1 cm (0.4 inch) quartz sand on top and
> finally sprinkled it with a fine layer of grid. Then put a refrigerator bag
> over the container and to secure the bag put them in a second container
> like this
>
> https://www.dropbox.com/s/sqf7ovf35k7a8zu/Photo%2028-12-13%2020%2040%2039.jpg
>
> The containers stood in a shed on a shelf.
> After 3 weeks I checked twice a week if there were any leaves visible. If
> they were about 1 cm above the ground I removed the plastic bag and put the
> container outside in a shady place. There they stood until september /
> october when I harvested all corms. Half of them are now in the
> refrigerator to see if the two cycle in one season will work out for me and
> the others half I will place in march in containers again.
>
> To protect the seedlings from birds but also from the 2 rabbits we have
> the containers stood behind bars
>
> https://www.dropbox.com/s/nbl3r7gqkacdf5z/Photo%2016-12-13%2016%2001%2033.jpg
>
> Used the same approach with the asarum, arum (both in the middle in the
> picture), helicodiceros and zanthedeschia (both at the right in the
> picture) (about 2 weeks ago as there is still no significant frost in
> Holland)
>
> Aad
>
> On 28 dec. 2013, at 18:23, "DAVID LEEDY" <djleedy at sbcglobal.net> wrote:
>
> Thank you Louse and all,
>
> I guess I will have to cut up my screen wire to fit the pots.  Generally I
> use my screen wire at the bottom of the pots covered with
> grit/gravel/perlite to keep "things" from climbing in and to keep planting
> mix from going out.
>
> Before the rains of this Fall and before the seeds sprouted, I purchased
> some shower caps (10 for a dollar) and placed these over the pots to keep
> birds out and humidity in.  However, now with the seedlings, I want them to
> gain the strength from growing in the air and sun.  Your idea will work.
>
> David Leedy
>
>    *From:* Louise Parsons <parsont at peak.org>
> *To:* Arisaema Enthusiast Group <arisaema-l at science.uu.nl>
> *Sent:* Saturday, December 28, 2013 10:22 AM
> *Subject:* Re: [Arisaema-l] What Happened To My Seedlings
>
> Mice can also uproot seedlings or seeds with little, if any, visible
> soil disturbance.
>
> Generally I place seed pots in a heavy plastic utility box with holes
> drilled in the bottom. It is lined with spun poly fabric ("remay") to
> keep worms and most bugs out. A thick layer of pumice is placed on top
> of the fabric. Any sort of grit would work fine.
>
> There is enough depth to these boxes to place seed pots on top of the
> pumice and cover each box with an old window screen and/or a piece of
> hardware cloth, weighted down with a couple of small bricks. Not only
> does screen protect from various bugs and critters, it also keeps our
> heavy winter rain from compacting soil.
>
> All the best for a bloomin' fine 2014!
>
> Louise Parsons
>
> Chilly Corvallis, western Oregon
> This year's mintemp so far = -18 degrees C
> (Arisaema seed pots are in our basement this winter.)
>
>
> On 12/28/2013 07:31 AM, Ellen Hornig wrote:
> > Mother Nature is a b***h, David.  If they don't come from above (birds,
> > squirrels, chipmunks, mice) they come from below (sow bugs, earwigs).
> > If they didn't, the world would be overrun with seedlings.  Consider the
> > ratio of seeds to mama plants.  Scary thought!
> >
> > Happy Holidays. :-)
> >
> > Ellen
> >
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