Commented: Lime substitueyes same as plaster, but 99.9% of plaster used in building has additives in it to help it set etc..so I wouldn't use that for plants.
granite powder may have some K in it depending where it comes fro...
Commented: 5-1-1 with Foliage Pro (yellow tip leaves)yes seems lots of rain can suck the nutes out of the mix I had a foot of rain over 2 weeks and my beets leaves went purple, so have been adding some PK and they are turning around back to their right ...
Commented: Growing bush cucumbersas big as you feel comfortable with I would say and I don't think they need support , but plant some and see what happens :)
BZ