watering the sand between pots in a plunge bed

Gastil Gastil-Buhl gastil.buhl@gmail.com
Thu, 28 Feb 2013 18:05:00 PST
Hi PBS folks with plunge beds,

Should I only water the pots or should I also water the sand between the pots in a plunge bed? 
Mine is outdoors and so when we do get rain, which seems awfully scarce lately, it of course will water between as well as in the pots.
I only recently filled the bed so it has only had one rain event, with 0.18 inches of water. 
I water weekly with rain water from a watering can, but only inside the pots. Is that best?
The plants are Moraea, Gladiolus, Dichelostemma, Crocus, Ixia, and Brodiaea. 
They are in a low-organic / high-mineral porous mix, topped with pumice. 
The between-pots sand is as course as sand gets before it gets called gravel.

Thank you,

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