Arisaema 2009

[Robin Callens]

Hi all,

I want to show you some pictures of Arisaemas which are flowering now and are reliable in our garden.
They dont rot and grow bigger every year.

1) A. nepenthoides
2) A. serratum x kishidae (a hybrid serratum motherplant, kishidae pollen)
3) A. lobatum
4) A. griffithii

Robin

[Paul T]

Robin,

Isn't the griffithii a stunner!!!!!  The others aren't bad either. 

[Robert G]

Robin,

All beautiful and all not hardy for me, although I try in pots and will offer the odd one to nature every winter. Thank you for showing us the pictures.

[kiwi]

Hi Robin, beautiful photos thank you. I have just about finished re-potting my collection, to see yours will keep me going through our Autumn / winter. Keep them coming!

[Tony Willis]

Robin very good to see.

Mine are only just through the soil in the garden

[Greenmanplants]

I find they are much hardier in the garden planted deep than risking them in pots.

I have lost a lot more in pots over each of the various mild winters than over several years in the garden.

[gote]

Robin,
really good pictures - and very tempting.

John
Does your ground freeze solid in the winter? (mine does unsually) 
Most of the Arisaemas I have tried have died in the winter.

Göte

[Regelian]

My fist Arisaema of the year, from seed, A. amurense

[gote]

Jamie,
Do you mean A. amurense??
Very nice colour. A. amurense grows very well in my place (the only Arisaema that does  )
but I have only the white/green form. This is avery nice one.
Göte

[johnw]

Göte

Have you tried some of the better coloured A. triphyllums?

The ground here can freeze solid on ocassion and very deeply. Some here have luck with A. flava but I must have had a form from the western part of its range as they have persistently died. Some have had luck here with A. amurense (white/green form and nothing like Jamie's beauty) sikokianum, A. tortuosum, A. dracontium and A. yamatense v sugimotoi. Aside from sikokianum a very disappointing group. I have managed to kill most of the other ones I’ve tried  - both in the ground and in pots and have been getting even better at it lately.

johnw

[Robin Callens]

John and Göte,

I experienced the same as you John, I think Arisaemas like stable conditions (low fluctuations of temperature and humidity) which are easier to achieve in the garden than in pots.

We are in zone 8, solid freezing of the ground doesn't happen often in our winter. I also put a layer of several inches of pine needles on the Arisaema beds to protect them.

Robin

[Regelian]

Göte,

thanks for catching that!  Typing too fast  , or something.

I have had luck with A. candidissimum and what I beleive is A. ciliatum.  Again, I grew these from seed

[johnw]

John
Does your ground freeze solid in the winter? (mine does unsually) 
Most of the Arisaemas I have tried have died in the winter.

Göte

Göte  - The ground does not freeze every year but there have certainly been many winters where it has frozen down at least 60 cm and maybe deeper.  The worst damage is when the soil is dry and frozen,\. 1991 was bad and one winter in the late 1970's or early 1980's was very cold, very dry and snowless and we felt as if we were in Outer Mongolia.  With very cool Springs the frost can take a very long time to dissipate.

johnw

[Lesley Cox]

That's a nice ciliatum. Mine is browner.

[Greenmanplants]

Hi Gote,

We are usually quite mild, enough to freeze only a few cm.

This year we had -10C so I wait to see old friends emerge where planted in the ground.

I already know this does a lot of damage in pots, where as you see in these images, the centre of a pot full of A.amurense is ok but all the perimeter is lost.
I just took these today so it is hard to see as they are not yet in leaf.
Clearly I'm out of practice posting images on here...it's been a while!