Re: RE:CULT: overhead watering vs rainfall

Chad,

Another good post.  Your reasoning makes sense and coincides with what I
see.  So how do you determine when and how much to water when it stays too
hot and dry for too long?  It's a perennial problem for me.  I know they
need water to avoid drying up completely and baking to death, but always
feel I'm risking killing them with rot if they receive water.  Both
scenarios seem to work out.  No water, some die.  Water, no matter the
delivery system, some die.  Unfortunately I haven't found the correct
balance to avoid them.

Donald Eaves
donald@eastland.net
Texas Zone 7b, USA
>
>    I haven't seen any differences between overhead watering and drip in
>regards to iris rot, I use one or the other(and sometimes both)in different
>areas of the garden. Rot for me has been a product of saturated soil and
>plants not in active growth because of very high or low temperatures. So by
>this I mean too much rain in winter coupled with not enough drainage, blown
>leaves keeping soil wet etc. OR by over watering in very hot weather
>particularly with transplants and the their limited root systems. In both
>cases the Iris are not growing much and can't make use of all the water. So
>if rainfall in summer ( I have to guess here since we don't get ANY) is
>better than irrigation I would guess that the rainfall come at times of
>lower temperatures so the iris are growing, and that in areas with summer
>rainfall people tend to water only when there has been a long hot dry spell
>- and the iris are not growing.
>
>Chad Schroter
>Los Gatos CA Zone 9 - Just like Australia only the months are all
>different...



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