Ask a Question forum: some plants predict when it's going to rain?

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Name: Carole
Lake Macquarie, Australia
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carolem
Mar 9, 2018 3:18 PM CST
@katesflowers Kathy yes I notice the wind patterns, storm events too; I hadn't heard of the term updrafts though; so that's my something new I've learnt for today. Having lived rural years back, yes you can certainly smell rain in the air. When it's been dry/drought-stricken for ages, the earth is pathetic, and then that hint of wonderful rain out there somewhere - I expect that 'smell of rain' is coming from wherever the first rain is hitting the earth elsewhere/nearby. It IS good! That smell isn't just specific to rural though; you can smell it urban too especially when there's been longer dry spells.

Yes, I agree with your Mum too, about joint pain/rainy periods impending. Smiling

I didn't know about the changing colours due to radiation on Spiderwort stamens. You wouldn't want to see that happening in your home garden then.

(so did you know Smiling that the wort part of a plant is pronounced wert?) I only learnt that recently. Haven't grown plants ending with wort so it wasn't common-place here.

If you truly love nature, you will find beauty everywhere.

Vincent Van Gough
[Last edited by carolem - Mar 9, 2018 4:24 PM (+)]
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Name: Rick R.
Minneapolis, MN, USA zone 4
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Leftwood
Mar 9, 2018 9:27 PM CST
Joint pain as a weather "predictor" is well known. The cause is the change (lowering) in barometric pressure. It is this change in barometric pressure that always precedes rain/stormy weather. Although joint pain is seen as a weather predictor, it is only true due to the coincidence that low barometric pressure always precedes rain or stormy weather. In reality, the joint pain is only reacting to lowering air pressure.

Perhaps this might provide some insight for the mass bloom phenomenon. As I said, maybe your TV guy explained it on the actual show. Myself, I would sure like to see an esplanation, too.

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