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Cup And Saucer Vines

Cup And Saucer Vines

Q.cobaea turning deep purple then yellowing

Zone Manitoba, Canada | Dwiebe added on August 5, 2015 | Answered

Why are the leaves of my cobaea turning deep purple then yellowing in the centre? The past month has been very hot and humid. The plant received fertilizer a couple of times this summer. I’ve checked for aphids and there are none.

Downtoearthdigs

Answered on August 11, 2015

This could be a nutritional issue.
I also would treat with Neem OIl.

Epsom Salt may help.

Here are links for you.
https://www.gardeningknowhow.com/ornamental/vines/cup-saucer-vine/growing-cup-and-saucer-vine.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/epsom-salt-gardening.htm

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