Plant ID forum: Melbourne/Australia - please help confirm if this is Mexican Marigold

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Melbourne, Australia [AU zone
Jan 18, 2018 11:36 PM CST
Thumb of 2018-01-19/whoatemylettuce/c6c039
Thumb of 2018-01-19/whoatemylettuce/f2b7ad

So I bought these twos and planted them in front of the tomato plants to deter pest and nematodes - but they turned out like this after a 102 deg F yesterday (today is also the same!).

Thumb of 2018-01-19/whoatemylettuce/6e2f68
Thumb of 2018-01-19/whoatemylettuce/06b19b

When I dig their hole to transplant from pots, I put in few chicken manure pellet at the bottom and watered in.

Can someone let me know what's wrong please?
Thank you very much

Name: Joshua
Melbourne, Victoria, Australia (Zone 10b)
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Jan 18, 2018 11:44 PM CST


I can't confirm if it's the particular marigold you're asking about, but I suspect the damage to the blooms is purely heat-related. I've seen it before on some of my other plants during hot spells, especially when the temperature ramps up quickly (like it has this week). Make sure they don't dry out, but I would expect the next lot of blooms to be normal if we don't have another hot spell.
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Name: Frenchy
Falls Church, VA (Zone 7b)
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Jan 18, 2018 11:54 PM CST
Hello @whoatemylettuce. I believe those are French marigolds (Tagetes patula). They are listed in the plant database.

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