"Red" (Dick Cavender) is gardening near Portland, Oregon, where I 
also live. It is not unusual for Cyclamen hederifolium to survive for 
decades in the Pacific Northwest and to form very large tubers (not 
corms or bulbs). I suppose we lack some predators that would attack 
them in other parts of the world, though the introduced eastern gray 
squirrel sometimes does. Our dry summers, augmented by the fact that 
many people here grow them near or under conifers, may also add to 
their longevity. They self-sow freely and soon appear in adjacent 
lawns, where they will persist if no "weed and feed" products are used.

When I moved to my new garden 3 years ago I was faced with three 
monstrous Douglas firs near the road frontage, so I underplanted them 
with C. hederifolium tubers that I dug up in my old garden. Some of 
them were about 20 years old and 8 inches (25 cm) across, the size of 
a luncheon if not dinner plate, and all survived the transition. I 
marked the white-flowering ones to take along to get a nice color 
mixture. I also brought some Cyclamen graecum tubers, which are more 
spherical, that were about 5 inches (13 cm) in diameter and put them 
in the new rock garden. Cyclamen coum tubers also moved well.

Our correspondent Robin Hansen operates a nursery on the Oregon coast 
that is a good source of Cyclamen tubers if you want to get a head 
start on them in your garden. Fresh seed germinates better than 
stored seed, but stored seed retains some viability and is worth a 
try if you are patient with it. I recently had a report of C. graecum 
seed from a very long-stored seed bank (stored frozen) that was germinating.

At 09:50 AM 12/24/2014, you wrote:
>Have you counted the number of flowers on one of these monsters?
>They are growing in St Paul, Oregon, between Portland and Salem.
>Diane Whitehead
>Victoria B.C. Canada
>On 2014-12-24, at 7:49 AM, occidentale wrote:
> > I don't want to brag but we have C. hederifolium corms as big as 
> dinner plates

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