Re: Bearded Irises

 

Light could also be an issue on a covered porch.  Beardeds love sunlight and require it -- half-day minimum -- to bloom with any regularity.  The plant will, of course, grow just fine with diffuse light, but won't bloom.

Doug Paschall
Delaware Valley
Zone 7a


On Fri, Feb 5, 2016 at 1:18 PM, 'Mark A. Cook' h*@gmail.com [iris-species] <i*@yahoogroups.com> wrote:
 

Chill hours is what would be the "deal breaker" here. I am in the
southern part of the 420-540 chill hours zone on this map.
http://justfruitsandexotics.com/IFASChillMap.jpg

Mark A. Cook

On 2/5/2016 1:07 PM, Chuck Chapman i*@aim.com [iris-species] wrote:
> Maturity is measured as number of mature leaves. You may need to count 'leaf rings' on rhizome to get total. Usually in 10-15 leaves.
>
> Bud set temperature seems to be in range of 15-21C minimum temperature for 5-6 days in a row.
>
> Vernalization should be around 720 chill hours. Some cultivars are as low as 460.
>
>
> Chuck Chapman

 --
Mark A. Cook
AHS Region 12 USDA Zone 8b
Dunnellon, Florida USA


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