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What to spray butterfly bush and zinnias with?

Posted on 6/12/25 at 12:35 pm
Posted by Turnblad85
Member since Sep 2022
4277 posts
Posted on 6/12/25 at 12:35 pm
Have a cluster of butterflybush I put in last year that did very well attracting butterflies and added this year a strip of Zinnias. They are blooming and attracting them but the leaves are getting ate up by caterpillars.

First thought is to spray with malathion but I'm concerned how that would affect the butterflies. Soapwater?
Posted by DickTater
Geismar
Member since Feb 2013
161 posts
Posted on 6/12/25 at 12:40 pm to
lol. This must be clickbait

Is that not the point of a butterfly bush?
To attract them to lay their eggs and once again complete the life cycle

The leaves will
Grow back. Don’t worry.

Posted by LegendInMyMind
Member since Apr 2019
71139 posts
Posted on 6/12/25 at 1:18 pm to
quote:

They are blooming and attracting them but the leaves are getting ate up by caterpillars.


That's one of the goals. Let them be.

*Unless they're army worms, then you might want to take care of them with something like neem oil. Just remember, anything you spray on them to kill/control the caterpillars will impact the butterflies, bees, and other pollinators you are trying to attract.
This post was edited on 6/12/25 at 1:31 pm
Posted by TheDrunkenTigah
Baton Rouge
Member since Aug 2011
18124 posts
Posted on 6/12/25 at 1:23 pm to
quote:

attracting butterflies


quote:

getting ate up by caterpillars


Posted by cgrand
HAMMOND
Member since Oct 2009
46204 posts
Posted on 6/12/25 at 2:23 pm to
LOL
Posted by Turnblad85
Member since Sep 2022
4277 posts
Posted on 6/12/25 at 2:44 pm to
quote:

attract them to lay their eggs and once again complete the life cycle




I'd rather them do their egg laying and leaf eating somewhere else though. I like watching them in the flying stage and not the worm leaf-destroying stage.
Posted by Rick9Plus
Baton Rouge
Member since Jul 2020
2420 posts
Posted on 6/12/25 at 3:09 pm to
quote:

I'd rather them do their egg laying and leaf eating somewhere else though. I like watching them in the flying stage and not the worm leaf-destroying stage.


If serious, and you want butterflies but not caterpillars, look up nectar plants and host plants for local butterflies. Plant the ones that are a nectar plant but not a host for anything. Bug spray will kill them.
Posted by DMAN1968
Member since Apr 2019
12537 posts
Posted on 6/12/25 at 4:10 pm to
quote:

Is that not the point of a butterfly bush?
To attract them to lay their eggs and once again complete the life cycle

There's Butterfly bush and then there's Milkweed. He must be talking about Milkweed because nothing eats my Butterfly bush.

When I had Milkweed they ate all the leaves and they never did bounce back. Maybe I just didn't have enough.
Posted by tigerfoot
Alexandria
Member since Sep 2006
60574 posts
Posted on 6/12/25 at 4:37 pm to
Posted by cgrand
HAMMOND
Member since Oct 2009
46204 posts
Posted on 6/12/25 at 4:56 pm to
butterflies don’t use butterfly bush or zinnias to lay eggs, they use them for nectar. It’s not that OP would be killing baby butterflies, he’d be killing adult butterflies
Posted by Royalfishing
Member since Jul 2023
236 posts
Posted on 6/12/25 at 5:28 pm to
If your goal is to attract butterflies but not allow them to propagate then squash some caterpillars with your fingers. And if you want to allow both then squash only 50% of them. They don’t bite. It’s not all about us.
Posted by Phideaux
Cades Cove
Member since May 2008
2606 posts
Posted on 6/12/25 at 6:05 pm to
Leave them be if you treat them you risk harming pollinators that you planted them for in first place.
Posted by LegendInMyMind
Member since Apr 2019
71139 posts
Posted on 6/14/25 at 11:04 am to
quote:

I'd rather them do their egg laying and leaf eating somewhere else though. I like watching them in the flying stage and not the worm leaf-destroying stage.

Those leaves aren't for you. They mean a whole lot more to the stuff living on them than to you.
Posted by gumbo2176
Member since May 2018
19243 posts
Posted on 6/14/25 at 4:09 pm to
You must have missed "Metamorphosis Day" in biology class.
Posted by Turnblad85
Member since Sep 2022
4277 posts
Posted on 6/15/25 at 8:09 am to
quote:

If serious, and you want butterflies but not caterpillars, look up nectar plants and host plants for local butterflies. Plant the ones that are a nectar plant but not a host for anything. Bug spray will kill them.



Thank you for the lone actual helpful response. I endeup using some talstar I already had mixed up for the house and tried to only spray the leaves. Though I'm thinking the damage might be from deer as I saw one nibbling when I pulled up the other night.
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