this post was submitted on 16 Sep 2024
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Tales from the Garden: Milkweed (sh.itjust.works)
submitted 3 months ago* (last edited 2 months ago) by [email protected] to c/gardening
12 comments fedilink hide all child comments
 

I had a volunteer milkweed this year in my small raised bed/container garden.

Early into the season it developed a yellow aphid infestation. I was horrified! They were disgusting things (and far, far too many of them). While I was interested in an insect garden, I was worried spread to nearby plants, specifically my prized blackberries, affecting yields.

I researched and treated the aphid infestation with Neem Oil and basically killed the living population. Success!

Or so I thought…

After I traveled for about a month, I returned to see the aphids had rebounded in full force.

An interesting thing though, neither had they spread to other plants.

Even more interesting there were ladybugs, there were beetles, there were wasps, there was even a praying mantis.

I wouldn’t say the milkweed is super happy about the arrangement, but it is growing, and it was a volunteer into the garden.

Overall it’s been the best plant of the season by far teaching me a little bit about ecosystems.

TLDR: my aphid infestation totally allowed my predator insect population to boom

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[–] just_another_person 12 points 3 months ago (1 children)

Fighting Aphids in-season is a losing battle. Hell, they may even take a ride on YOU into your house. Just cut off the growth where they are and toss it aside.

[–] [email protected] 5 points 3 months ago* (last edited 3 months ago) (1 children)

I sprayed them with soapy water and blasted the remains with water and it was more successful than neem oil.

[–] [email protected] 2 points 3 months ago (1 children)

Chicken soup?

[–] [email protected] 2 points 3 months ago (1 children)

I don't know what you're talking about man ;)

[–] [email protected] 2 points 3 months ago

Ninja edit! Ninja edit! I found a ninja, guys! urk

[–] [email protected] 9 points 3 months ago (1 children)

Aphids love milkweed. If you want a butterfly host plant for the southeast, I recommend getting a passion vine native to your area. Monarchs don't be really need more milkweed, and you can host more species! It is cool to feed the lady bugs, though!

[–] [email protected] 10 points 3 months ago (1 children)

Do you have a source for the monarchs not needing more milkweed planted? I’m hoping I missed some great news.

Last I heard the advice was still to plant more milkweed because we’re below the level needed to try and grow the population - since it’s being considered for protection under the Endangered Species Act and milkweed is the only plant the caterpillars can survive on. If we got that done or found a better way that’s awesome

[–] [email protected] 11 points 3 months ago (2 children)

Not good news. So I'm coming from a Florida perspective. The general wisdom here in the past has been native milkweed in the garden is important for the monarch.

After working at native plant nurseries, and now for the local government doing environmental work, I've seen the narrative shifting to no milkweed.

Basically, disease has become a big issue in our South Eastern monarch populations, and it turns out that gardens have become hotspots for it. Here is an article on the subject.

https://www.wuwf.org/2024-09-03/half-the-butterflies-in-northwest-florida-are-dying-from-a-parasite-on-milkweed-plants

I personally stopped recommending Milkweed of any kind to people years ago after seeing the effect of disease in the nursery I worked it.

[–] [email protected] 4 points 3 months ago (2 children)

Interesting. Do you know if this is a problem on the west coast? The article leaves it vague, with some indication that it may only be a Florida problem

[–] [email protected] 1 points 3 months ago

Unfortunately, I do not know. If you find anything out, I'd like to hear about it.

[–] Cort 1 points 2 months ago

People think that as long as you're buying native milkweed in Florida, you're solving this OE problem," he said. "It's an assumption or an extrapolation of some evidence from other places in the country, anywhere else in the country, native milkweed is the answer. Native milkweed will die back in the winter. All of the OE spores that were on those plants then disappear, and then the plant comes back in the spring, fresh from the ground (with) new leaves.

Doesn't seem to be an issue in places where the milkweed dies every winter. It's a problem in Florida due to their climate, and especially with non-native tropical species of milkweed that have a longer lifespan.

[–] [email protected] 2 points 3 months ago

Well damn, I was hoping it was for a good (happy) reason. I’ll make sure to keep an eye out for signs of OE in my native flower garden