Re: CULT: A foot of dirt
- To: iris-talk@onelist.com
- Subject: Re: [iris-talk] CULT: A foot of dirt
- From: J* C*
- Date: Tue, 29 Jun 1999 15:20:24 PDT
From: Jan Clark <janclarx@hotmail.com>
>For those not familiar with cottonwoods, their roots are near the surface.
>Some of these big ones are six inches from the surface. They have raised
>and cracked the sidewalks. (We did not plant them!) If I mound up 12
>inches of dirt on top of them, will I be able to grow iris? I would like
>TBs that clump so I have been saving those posts I have medians to plant.
>What about drainage? Unfortunately, sometimes there is only six inches
>between the big roots.
I grow my TB's in raised beds (about 12" of soil) on a rocky base. The main
difference is the soil/reef below drains fairly well.
Would it be possible to lay a 4" slotted poly pipe drain at the base of the
beds to carry away excess water? This will of course depend on slope.
Hope this helps - Jan
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