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Mildew free monardas
I have always been put off growing monardas because of their vulnerability to mildew. 
I have looked into the latest varieties claiming to have some resistance to mildew but does anybody grow these?
Is it simply a matter of growing monardas in deep, moisture retentive, humus rich soil as I suspect?
Anyone recommend good varieties? 
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I have a Monarda Cambridge Scarlet in full sun moist area as flowered all summer like a trooper I love it and have had no problems with mildew what so ever
I got Cambridge scarlet as well it done ok, got a bit battered with the wind and the rain, no problem with mildew so far. If I remember correctly the leaves got scorched a bit when we had our week of summer in May, so a bit of afternoon shade might be needed in your tropical climate Verdun
I just bought beauty of cobham so unsure how well it going to do but look nice
The leaves both smell different as well Cambridge scarlet smells nicer.
I think I showed you 1 before Verdun. Its called GardenView Scarlet, seems to flower all Summer and has never developed Mildew.
My garden is a magnet for mildew too.
oh and Verdun, they clump up FAST, so you can make plenty of new plants without a problem very quickly.