Gardening by the Moon: Fact or Fiction?

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Discussion Overview

The discussion revolves around the validity of the belief that moon phases influence plant growth and gardening practices. Participants explore various perspectives on whether there is any scientific basis for these claims, as well as the potential psychological and ecological factors involved.

Discussion Character

  • Debate/contested
  • Exploratory
  • Conceptual clarification

Main Points Raised

  • One participant expresses skepticism about the relevance of moon phases to plant growth, questioning the validity of traditional gardening wisdom.
  • Another participant notes that while the moon reflects light, its energy is negligible compared to daylight, suggesting limited impact on plant behavior.
  • A different viewpoint suggests that irrational beliefs about moon phases might hold some truth, proposing that correlations could arise from indirect effects, such as gardener behavior or insect activity influenced by moonlight.
  • One participant seeks information on biological triggers in plants but finds it challenging to locate relevant keywords for research.
  • A participant speculates that plants might respond to moonlight due to their light sensitivity, considering both potential advantages and disadvantages related to nocturnal creatures.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the influence of moon phases on plant growth. There are multiple competing views, with some expressing skepticism and others proposing possible indirect effects.

Contextual Notes

Some claims are based on anecdotal evidence or traditional beliefs without scientific backing. The discussion highlights the need for systematic data collection and analysis to explore these ideas further.

Who May Find This Useful

Individuals interested in gardening, botany, or the intersection of folklore and science may find this discussion relevant.

Helios
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I've had it with so much "gardener's wisdom" that claims that certain moon phases are propitious for growing certain crops. I see statements like: "The first quarter moon is the ideal time to plant blackberries." or the like. This must be a crock. What does a plant care about the moon? Does anyone disagree? If so, please explain.
 
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Well, technically, there is some light reflected by the moon. However, even on a full moon with now clouds, the total energy per unit area is insignificant compared to even a cloudy day.
 
I have no idea whether there is a correlation between moon phases and the growth behavior of plants. However sometimes such irrational beliefs are actually true, but the correlation is rarely due to direct causation. So we shouldn't be too quick to dismiss unfamiliar ideas (though ideally we should do some systematic data collection and then do statistic analysis on it), just as we shouldn't blindly accept them.

Some ideas:
Maybe the moon phase affects the gardener's mood and therefore his observation of the plants, and perhaps how he handles them. Maybe it affects the behavior of insects (due to increased light at night). Maybe it affects the social behavior of humans and therefore their car usage, which may affect the air near the plants.
 
I tried googling 'biological triggers in flora" and came up empty. What key words should I use?
 
Helios said:
What does a plant care about the moon?

Well, with a name like Helios, you're obviously biased! :wink:

(or is just because you have a squeaky voice? :biggrin:)​
Hi Helios! :smile:

I don't know whether any plant behaviour is affected by the moon, but I would expect it, on the following basis …

Plants are light-sensitive, so they certainly could behave differently on moonlit nights.

Also, there might be an advantage to being seen at night (so that night-creatures can distribute their seed), or a disadvantage (because night-creatures just destroy their seed).

(For some planting rules, without scientific explanation, see Keith Cooley's http://home.hiwaay.net/~krcool/Astro/moon/moongrow.htm" :wink:)
 
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