Use this easy recipe to brew rhubarb-aphid-spray for homemade- pest-control of aphids.
You can make this solution for rose-pests yourself at home with
very few ingredients, rhubarb being the main one of course.
Juices from the leaves of your plants are sucked out by aphids and they must be controlled early on.
Save 5 or 6 rhubarb leaves from the compost heap. Remember the
oxalic acid? Put on your gloves!
Chop them up finely and add to 1 quart of water. Let this boil down for approximately 30 minutes.
Add a squirt of non detergent soap to this liquid. You can use regular dishwashing soap.
Strain the liquid of leaves. Putting it though a sieve would be a good idea. Once you have strained your mixture, simply add it to a spray bottle.
The boiled down rhubarb leaves can be put out in the composter.
Rhubarb leaves are poisonous, so do not use this spray on or near your edible vegetable plants in your garden.
Providing More Care For Your Roses
If you would rather not use rhubarb, try this:
Mix 1 cup of vegetable oil with 1 tblsp. of liquid dish
detergent. Shake it up well.
Take 1 tblsp. of this liquid and add it to a few cups of
water in a spray bottle. Shake well. Spray once per
week on your plants.
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