Question for gardeners

Discussion in 'The Lounge' started by salt water guy, Aug 10, 2019.

  1. salt water guy

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    I have a small section of the yard dedicated to flowering plants selected to attract bees, butterflies, (Monarchs in particular) and hummingbirds. Aphids are wreaking havoc on some of these plants. In trying to find a product that's "safe," I've used both Neem Oil and insecticidal soap, (recommended ratio) with limited success. The tiny little critters are back in short order after a spray. Should I try another product? Up the concentration? Thoughts and suggestions welcome... Thanks.
     
  2. William Ritchie

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    Buy a box of live ladybugs , maybe put some shear net from a fabric store over the area to prevent migration and turn them loose . Aphids are one of there favorite foods
     
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  3. William Ritchie

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    I have heard that a dusting of flour will do the trick , Also food grade diatomaceous earth as a dust . The diatoms will kill every bug that gets it on them and is probably not what you want . Don't know about the kill spectrum of the flour . Good Luck
     
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  4. salt water guy

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    Thank you for the the suggestions. I'm intrigued with the lady bug idea! Rather not spray chemicals if I don't have to.
     
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  5. 12incher

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    As odd as it sounds, I use windex on aphids and mealy bugs (those white things). It does a great job. It’s the only chemical I use on my plants that get bugs.
     
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  6. toolbox

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    My buddy swears that banana peels work on Rose's? He said he wraps them around the base of the rose bush.... not sure If it kills or repels them?
     
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  7. Werfless

    Werfless The Coach
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    Play with your watering ratio. The plants will fight off the aphids on their own more effectively if you have them watering correctly and have the proper fertilizer and soil ratios...
     
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  8. Mogambo

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    Most of the chemicals for the home gardener, not commercial growers, are sprinkled around the plant and watered into the soil. The plant takes up the systemic insecticide. Aphids are sucking insects. When Mr. aphid sticks his sucker into the plant it’s the last suck he ever makes.

    If you want to go organic, netting may work to put over your plant but first you have to get rid of the heavy infestation of aphid that are already there as well as the second generation when the eggs hatch. Most of the aphid live underneath the leaf which makes it hard to wash them off with soapy water. If you can rig up some sort of nozzle that shoots up you will have a better chance of getting good coverage under the leaf. Keep in mind that the lady bug larvae also eats eats aphid and any other soft bodied creature like mites. There are also tiny little wasps you might be able to purchase that attack aphid.
     
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  9. Mogambo

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    That’s basically a dilute solution of household ammonia. Some plants may not be able to take too much of it.
     
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  10. Bobber

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    You can eat diatomaceous earth and it won't hurt you - so can your pets. Completely safe but kills all the bugs.

    I belong to a large gardening group that swears by lady bugs plus I have friends who have also solved their aphid problems with lady bugs. One word of warning - be exactly where you want to release them because when you open the container they all come out with a quickness.
     
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  11. spideyjg

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    I've released them at dusk and they go slow.
     
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  12. William Ritchie

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    The lite net I spoke of was to make them linger on the plants under the net longer , they say evening and spray the plants so there are water droplets for them at the start . Guess they are thirsty after the travel and storage in the containers. As far as the D.E. goes just make sure you do NOT use swimming pool DE. It has been kilned and the silica is dangerous for anything including people . Food grade only !
     
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  13. Metalaxe84

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    Check for Ants. The reason why they come back is because the ants will farm them for their "Honey Dew". attack the ants first then use Captain Jacks Dead bug and follow up with the neem about a week later. Captain jacks will make them sick and the neem will wipe the rest of them out.
     
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  14. 5spot

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    Speaking as a horticulturist, aphids are weak. Knock off the big clusters with a hose then use your hand. Organic insecticide soap or neem is fine. You must use the cold pressed neem if that’s the route you take. Anything that says hydrophobic extract does not have the effective organic pesticide in it.

    Your spray with soap or neem should only be done late in the evening, as not to affect beneficial insects and pollinators. Lastly, spray in the evening as the suns rays are magnified with soap and oil and you don’t want to burn your plants.

    DE only works on hard body insects that have a carapace and/or thorax.
    Beetles, spiders, ants...etc...
     
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  15. salt water guy

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    Cool, thanks for the info. Most affected are milkweed plants that I special ordered seeds for. (My understanding is that oftentimes the milkweed you buy from big box stores aren’t the species beneficial for Monarchs or they've been treated with systemics). Anyway, the young plants are candy for the aphids and now these guys, (below) have shown up. It’s gotten better after hitting ‘em frequently with insecticidal soap, however I can see problems ahead with Neem or insecticidal soap affecting the Monarch caterpillars as the plants mature and hopefully become a food source. Looking into the ladybug and/or lacewing option...

    upload_2019-8-22_14-59-55.png


    Gardening’s very interesting. I’m a novice at best, but can definitely see pursuing the pastime in the years ahead. (wifey approved, haha) Appreciate all the tips!
     
  16. Mogambo

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    That looks like a milkweed bug ( Oncopeltus fasciatus)

    Pretty common in the IV especially in the Chocolate Mountain Range in the fall when climbing milkweed is blooming.
     
  17. crawdadguy

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    neem oil works but needs several applications (apply in the evening)
     
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  18. sherpa

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    Milk weed bug, they eat the seeds of the milk weed,which I think is good so you won’t get run over with milk weed plants next year.
     
  19. 5spot

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    Btw, people, pull your tropical milkweed, the pretty one.

    Should only be planting the native asclepias fascicularis and speciosa.

    Problems with the tropical, Protozoa and monarchs.
     
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