Does Dawn dishwashing detergent kill plants (shrubs & flowers)?
2013年6月13日 · I've used sudsy dish soap such as Dawn before to combat insects such as aphids and it is quite effective and the one I used (it wasn't Dawn specifically) was biodegradable and that's important to me. The key to using Dawn or anything (siding cleaner, bleach, etc.) around plants is that you need to lower the concentration of the chemical low ...
Is Dawn dish soap effective and safe to kill ants on my houseplants?
Dish soap has chemical which can damage the roots of the plants. In large amounts it can start to discolor leaves or affect petals. Dish soap can't actually kill ants unless it will drown them. Ants usually finds a safe place before snow/rain. You can investigate which potted plant has the colony. You must remove the potted plant outside your ...
pest control - Gardening & Landscaping Stack Exchange
2016年6月29日 · Add one drop of dishwashing soap; Spray on plants you wish to protect from animals; As far as Dawn killing plants. There are conflicting stories but most are similar to mine: I've used very diluted Dawn on plants for other reasons and the plant was none the worse for wear (Dawn + water = excellent bug killer, btw - good for paper wasp nests).
tomatoes - Can I use dawn liquid detergent in place of castile …
Castile soap is a vegetable product (mostly) - was distinguished by use of olive oil - but detergent is full of some nasty chemicals, including those than can cause cancer. While the amount required is small it is to be applied too high up the food chain for comfort. 'Dawn' is specifically mentioned by David Wolfe.
pests - Killing ants without killing the grass - Gardening ...
My all-purpose plant soap is 1 gallon water, 4 teaspoons baking soda, 2 teaspoons Dawn, as per the Cornell Formula. It won't hurt your plants and doubles as a fungicide, but it might lack the oomph you need. As others have said, ants aren't necessarily a bad thing. Fire and carpenter - I can see banishing these from your yard.
pest control - Killing fruit flies without pesticides? - Gardening ...
2016年12月10日 · Just make sure you use not more than a small drop of soap (or touch the bait liquid with a soapy finger), because too much soap scent will deter the flies. I know the "funnel method" is often recommended, but apparently we had particularly stupid fruit flies in the past: after desperately buzzing around for a while without finding the entrance ...
White insect attack on pepper plant - Gardening & Landscaping …
2017年9月10日 · However, having nothing to lose, I might try a fairly concentrated liquid dishwashing soap spray. -Nothing with weird ingredients. I don't remember the brand I used the last time I had aphids on my Carpenter plant (Silphium perfoliatum), but it worked. Look it up, find a brand you get locally, then double the recommended soap concentration and ...
Can I grow a pistachio tree from seed?
2013年3月6日 · the hole should be about 2 feet across, and 2-3 feet deep. Mix the fertilizer in with everything. Fill the hole with water, let drain, then obtain some liquid dishwashing soap and make about 3 passes around the hole. Water this in as well (the soap is a wetting agent), 3 times over the course of a week.
How do I quickly remove crabgrass without too much manual …
You need to add a surfactant; either a real one for $5 or use dishwashing soap. That's barely over a dollar per gallon compared to a $12 gallon of weed killer. If you have a larger lawn and will use a bigger spreader, the solution is around 1/4 teaspoon per gallon I think.
trees - Does soap mixed with water kill plants?? - Gardening ...
Not unless you mix a lot of soap with a little bit of water. Soap is a fatty acid and when applied in a thick coat and left on the leaves and stems will burn soft plant tissue. Your project could easily test this if you can find ten or twelve plants that are all alike (end of season sales anyone?).