Saturday, April 29, 2017

Saffron grown on roof in wet temperate climate

Saffron flowering on a rooftop in Wellington, New Zealand.

I tried growing Saffron (Crocus sativus) on my roof after attempts to grow it in the ground and on a window sill failed (it grew fine but did not flower as is normal in areas with "poor summers" (1)). I thought putting it on the corrugated iron roof might work because the plant likes hot, dry conditions.

There would be a limit to how many heat loving plants one could put on a roof as they would prevent the corrugated iron roof from heating up by shading it, but exactly what that limit would be I don't know at this stage.

 Ref 1. Encyclopedia of Herbs & Their Uses. Deni Bown 1995 

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