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 

Wednesday, April 5, 2017

Tomato fruiting (a bit) with little sunlight indoors



I was surprised this Tomato plant (Lycopersicon lycopersicum)  produced fruit that ripened in a mostly shady spot beside a window that only receives around two hours direct sunlight in late afternoon, there are also a lot of Passion Fruit vines growing outside over the window reducing light further.

However the plant only produced two fruit (of a small "cherry" variety). By contrast with plants beside more sunny windows the number was 10-15. I assume the plant has the genetic ability to recognize low light levels and produce less fruit accordingly.

Perhaps rotating hanging baskets between windows with good sunlight and those with little could be a way of maximizing yields.