horticultural help re rhizomes

**C* E* <C*@CatrionaTudorErler.com>**

Both iris and peony "roots" are actually rhizomes, which need to be near the surface.  The roots grow deep into the ground from the rhizomes.  Other plants with rhizomes that stay near the soil surface are varieties of ferns and lily of the valley.  Plants with underground rhizomes include ginger, bamboo, and alstroemeria.
Catriona
On Jun 8, 2010, at 2:46 PM, Hamptongar@aol.com wrote:

> List sure is quiet...
> 
> When iris and peonies are planted too deep, even slightly,  they will not 
> flower.  Is anyone aware of why this happens and if there is  a technical 
> term for plants whose roots need to be near the soil surface in  order to 
> initiate flower development?
> 
> Thanks
> 
> Andrew
> 
> 
> Andrew Messinger
> The Hampton Gardener is a  registered trade mark and is published every 
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