Rhubarb leaves, the thing that all gardeners wonder what to do with. Large, elephant shaped leaves that are actually poisonous to consume, have very few uses. But one is coming up as a very new but effective pest control method using the oxalic acid found in rhubarb leaves as a natural broad spectrum pest control.
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34 Comments
Will this hurt praying mantis? I have several mantis babies in my garden
I'm doing this. Always composted the leaves. I never thought I would hear masticating leaves in my life. LOL!!!
Question my tomato plants will produce flowers with no tomatoes they tend to shrivel up and pop off what could it be
Would this work on snails or slugs?
Does this have any effect on the micro organisms and worms in the soil?
Will it help with slugs?
Luke, how often do you spray?
Definitely doing this thank you
Second time watching today,hit the like button this time I got excited and went out and tried this in the garden!
On lettuce or spinach will a good rain wash it off? Asking because the grandkids like to pick and eat right out of the garden. Sometimes they dust off a tomato with their shirt, but most of the time its pick and consume.
Will deture rabbits, squirrel and racoon? Something is chewing our plants
This is so good to know waste not Want Not
Research oxalic acid….it can cause alot more than kidney stones and is in alot of plants!!
If you have a cherimoya tree, there is a reason the foliage always looks pristine while other plants and trees are covered in bugs , the cherimoya leaves have a compound in them toxic to bugs so you wanna soak some leaves in a bucket or blend up the leaves let soak for 24 hrs then spray pest or plants also a really good preventative 😊
I just cooked some rhubarb. I love it. stewed rhubarb, rhubarb leather, rhubarb pie, rhubarb cookies, rhubarb syrup (on ice cream), rhubarb coffee cake, rhubarb jam. Goodness, I sound like the Bubba Gump of rhubarb. Never knew rhubarb leaves could be used that way. Thanks for the tip!
Yeah but what do we do about the japanese beetles & the squash bugs?
This is new to me. I've never heard of using rhubarb leaves. I'm definitely going to try. Thank you so much
interesting !
Cool, thanks Luke
Do you snack on any of your veggies right in the garden?
is there a substitute? I don't have rhubarb
Wondering is the Rhubarb spray safe for pollinators such as bees?
NE Ohio here, I don't have luck with rhubarb at all, container or in ground. The leaves are eaten up really bad every single year! Looks like the pests here love rhubarb leaves. Grrrr!
Not the subject but just saw you were one of the sponsors for The Okie Homestead conference when I was watching Doug and Stacy Off Grid. So happy to see this.
If the spray gets on blossoms the bees get on them. Other bees clean them off. Also earth worms and my free ranging chickens and ducks that get into the garden? Will it hurt any of them?
am seeing lots of bare ground in your wide bed plantings….also plants spaced really farther apart….have you changed up your system? thought you did mulch & closer spacing. I don't have any aphids etc but will try the rhubarb spray for some cabbage moths.
thoroughly wash those plants befor eating anything! Rhubarb leaves are highly toxic to humans and to pets
Perfect timing need to harvest some rhubarb it’s huge this year
Luke, will it kill white flies? I have a horrible white fly problem on our grape leaves. 😢
If my rhubarb isn't ready to harvest yet, what other plants that are high in oxalic acid would you recommend for this method? I have some wood sorrel, aka oxalis growing wild. I'm also growing red veined sorrel and French sorrel as crops.
I usually just lay my leaves out around other plants as a mulch…
Wouldn't a juicer work?
Gonna have to grow some rhubarb now, I guess.
Wait so what's eating my rhubarb leaves?