Re: Arisaema, rust & Fairy Bells
Hello Marilyn,
Arisaema rust is host specific... will NOT get on to your Disporum. Can't remember
the host during winter other than the soil, but it blooms on Arisaema ONLY. And,
as far as I know, is on the east coast only.
I would guess that your climate and the conifers would assist in holding the rust
down, but would not want to find out on a personal basis... as you do not. Rust is
usually attributed to wet, warm, springs that are lacking in light. Rust on your
hollyhocks and snapdragons is not the same as the rust on the Arisaema.Relax just
a tad.
Do keep an eye out for mildew on your Phlox divarcata... some of them are
beginning to show up with mildew. Cut the foliage back in the late winter, then
spray as they emerge. Baking soda mix in water works just fine.
Disporum is another one of great interest to me. Trying to slowly collect for the
garden and eventually for the nursery inventory. D. hookerii I have, D. flavum,
our native D. lanuginosum, the D. sessile variegated. So many plants so little
space and time......
Gene Bush Southern Indiana Zone 6a Munchkin Nursery
around the woods - around the world
genebush@otherside.com http://www.munchkinnursery.com
----- Original Message -----
From: Marilyn Dube <maridube@teleport.com>
Subject: RE: Arisaema, rust & Fairy Bells
> Gene, Paul, Bill, Nancy & Marge,
> All this talk of rust on the A. triphyllum is making me VERY nervous. It
> is native here too and our climate is fungal disease heaven! I can't
> understand why my none of my Arisaemas have rust. I either am darn lucky
> or that particular strain of rust hasn't found it's way West yet? My
> woodland area tends to be pretty dry because the (50-75 ft) Doug Fir trees
> suck up every ounce of water they can find and then some. I wonder if that
> makes any difference as far as rust is concerned?
> The only things I have had rust on are 1) Snapdragons (I love them dearly)
> and 2) Hollyhocks (very discouraging) so I have stopped growing both. Oh
> yes, there was a rose named 'Chicago Peace' too - beautiful but covered with
> orange pustules :(. It has been sent to the rose graveyard.
> I am growing Disporum hookerii (Fairy Bells) for the first time this year.
> I bought them bare root and planted them last fall. The root divisions were
> huge! Almost too big for a gallon pot. I potted some and planted some in a
> newly replenished (with mushroom compost) woodland area along with Fawn
> Lily, Shooting Stars, Phlox divaricata 'Clouds of Perfume' and one of
> Heronswood's newly discovered Hydrangeas from China. I had intended to add
> some Jack in the Pulpit too, but now am wondering if I should. Doggone it,
> ignorance was bliss!
> Is there any disease/insect problem I should anticipate with the Disporum?
>
> Marilyn Dube'
> Natural Designs Nursery
> Portland, Oregon
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