Vic -- Iris tridentata -- Emailing: CIMG0444.JPG

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Dennis,

Re: Your Email June 22, 2011

Congratulations on getting your Iris tridentata to bloom. You mentioned
that you transplanted your plants into a nutrient bog bed. It has been my
experience that I. tridentata will survive and grow in well-drained setting;
however, flowering will be almost nonexistent. I grow them in plastic tubs
with no drainage, i.e., in mini-bogs. Normally, one to three inches (2.5-8
cm) or more of water is maintained over the soil surface. They prosper
without the addition of fertilizers or soil amendments. In a trial, I
fertilized several tubs containing established I. tridentata plants with a
10-10-10 commercial fertilizer at a rate less than Louisiana type's of rises
would relish. The results were disastrous; most plants quickly died. I
have made no attempt to duplicate this experiment. In my garden normally
blooming occurs in May and continues through early June. This year I had my
first bloom May 1 and my last bloom on June 3. Most of the Louisiana-type
irises will have finished blooming in my garden by the time the tridentata
start blooming.

The attached photo was taken on May 7, 2011.

Vic

Wakulla County Florida, Zone 8B


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