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Author Topic: Arisaema 2009  (Read 21288 times)

Robin Callens

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Re: Arisaema 2009
« Reply #30 on: April 30, 2009, 09:46:43 PM »
Hi all,

Most species of the section Arisaema (the big three leaved Arisaemas) are easy to grow in the garden.
They seem to prefer cool and rather moist conditions.

1) A. asperatum
2) A. griffithii dark form emerging
3) A. griffithii dark form (a few days later)
4) A. propinquum
5) A. utile
6) A. dilatatum

Robin

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Robin Callens, Waregem, Belgium, zone 8

Regelian

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Re: Arisaema 2009
« Reply #31 on: April 30, 2009, 10:53:39 PM »
Robin, great stuff!

The dark clone of A. griffithii is wonderful.  Will seed be available? :D :D :P
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Jamie Vande
Cologne
Germany

Robert G

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Re: Arisaema 2009
« Reply #32 on: May 01, 2009, 12:57:43 AM »
Robin,

Wonderful collection!!
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Metcalfe, Ontario in Canada USDA Zone 4

Paul T

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Re: Arisaema 2009
« Reply #33 on: May 01, 2009, 10:11:35 AM »
Robin,

That dark form of griffithii is unbelievable (but in a good way!  ;)).  So dark!!  Wow!  :o
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Cheers.

Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.

Lesley Cox

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Re: Arisaema 2009
« Reply #34 on: May 02, 2009, 10:07:30 PM »
Quote from: Regelian on April 30, 2009, 10:53:39 PM
Robin, great stuff!

The dark clone of A. griffithii is wonderful.  Will seed be available? :D :D :P

An amazing plant. It looks so sinister.
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Lesley Cox - near Dunedin, lower east coast, South Island of New Zealand - Zone 9

Janis Ruksans

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Re: Arisaema 2009
« Reply #35 on: May 05, 2009, 07:38:10 AM »
With me only Arisaema amurense - the earliest one here - started
Janis
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Rare Bulb Nursery - Latvia
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Robin Callens

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Re: Arisaema 2009
« Reply #36 on: May 06, 2009, 09:01:05 PM »
Hi all,

More easy growing species of the section Arisaema:

1) A. galeatum
2) A. elephas
3) A. wilsonii
4) A. asperatum dark flower
5) A. propinquum (seedling srgc labeled as A. griffithii var. pradhanii)

Robin
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Robin Callens, Waregem, Belgium, zone 8

Paul T

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Re: Arisaema 2009
« Reply #37 on: May 07, 2009, 05:24:21 AM »
I've only ever heard of half of those, Robin.   :o  Love that elephas!  Thanks for sharing the pics.  8)
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Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.

gote

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Re: Arisaema 2009
« Reply #38 on: May 07, 2009, 02:21:27 PM »
Quote from: Robin Callens on April 30, 2009, 09:46:43 PM
Hi all,

Most species of the section Arisaema (the big three leaved Arisaemas) are easy to grow in the garden.

In Belgium perhaps. Most species die in the winter in my place    :'( and I am sure it is due to cold.
I nearly gave up on all but amurense but for those who like me live in a cold climate I can report that
serratum and maximowiczii survived this winter too.  :)
It is still far from flowering time but they are up and healthy-looking.
Göte
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Göte Svanholm
Mid-Sweden

Robin Callens

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Re: Arisaema 2009
« Reply #39 on: May 08, 2009, 09:09:42 PM »
Göte,

Have you ever tried to protect the tubers from heavy frost by a thick layer of pine needles or leafs. I always do that but temperatures go seldom below -10° C in our garden.

Robin
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Robin Callens, Waregem, Belgium, zone 8

Robin Callens

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Re: Arisaema 2009
« Reply #40 on: May 08, 2009, 09:17:23 PM »
Quote from: Regelian on April 30, 2009, 10:53:39 PM

The dark clone of A. griffithii is wonderful.  Will seed be available?


This dark clone hasn't set seed so far. I hope it does this year.

Robin
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Robin Callens, Waregem, Belgium, zone 8

gote

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Re: Arisaema 2009
« Reply #41 on: May 09, 2009, 09:49:14 AM »
Quote from: Robin Callens on May 08, 2009, 09:09:42 PM
Göte,

Have you ever tried to protect the tubers from heavy frost by a thick layer of pine needles or leafs. I always do that but temperatures go seldom below -10° C in our garden.

Robin
I am afraid that I have never been able to protect anything this way. I have stopped trying to protect because I A: it did not work B: I would have too much work doing it.
I follow Tony Avent: I"I regard all plants as hardy until i have killed them three times"  ;D
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Göte Svanholm
Mid-Sweden

Robin Callens

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Re: Arisaema 2009
« Reply #42 on: May 22, 2009, 10:08:26 PM »
Hi all,

A. erubescens often confused with A. consanguineum. A. erubescens has a pinkish flower emerging before the leaf unfolds and a smaller number of narrow leaflets without the typical long threads of consanguineum.

A. dahaiense is probably the largest Arisaema in my garden up to 1.50 m tall and 1.50 m wide. Easy from seed. Has a spadix appendage more than 1 m long.


1)A. erubescens
2)A. erubescens
3)A. speciosum
4)A. dahaiense (motherplant flowers)
5)A. dahaiense (seedlings 2004 leafs )
6)A. dahaiense (seedling 2004 flower)
7)A. dahaiense (motherplant leaf)

Robin
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Robin Callens, Waregem, Belgium, zone 8

Regelian

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Re: Arisaema 2009
« Reply #43 on: May 22, 2009, 10:32:14 PM »
Beautiful stuff, Robin,

I had an unknown Arisaema start to open today and now I believe it is A. speciosum.  I bought it as A. candidissimum, but the tuber was all wrong (cylindrical and annulated).  I'll send a photo when it is fully open for confirmation. 
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Jamie Vande
Cologne
Germany

Paul T

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Re: Arisaema 2009
« Reply #44 on: May 22, 2009, 11:24:58 PM »
Wow Robin!  Never seen the dahaiense before.  Very nice flower and leaf by the look of it.  Thanks for sharing.
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Cheers.

Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.
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