I'm afraid I'll be too picky. These are all insecticides, non-toxic, tasteless, effective and free of money.
Worm. Bugs, summer is the high incidence period of bugs, especially when there are several pots of flowers at home, but also bugs flying around!
But the girl recently found a lot of insecticidal "panacea", do not need to spend any money to raise good flowers, do you think it is cost-effective?
Coffee
It is always difficult to stop drowsiness in summer, so a cup of coffee in the morning is indispensable. Just save a mouthful for growing flowers. Mix the coffee with water and dilute it as much as possible, not according to the concentration of your own drink! Coffee also try to choose the original coffee, if it is instant coffee, it contains more sugar, milk, flower spray is more likely to give birth to bugs!
Spray coffee once in the morning and evening, and soon you will find that there are a lot of small black shells on the leaves, which are dead worms.
Of course, coffee grounds sprinkled on the surface of the soil can also inhibit the growth of insect pests.
Leek
With the same principle are garlic and onions.
Mix these to extract juice, or crush them directly, soak them in water overnight, and then use them with water the next day!
2-3 hours after each spray, rinse the leaves with clean water. So as not to affect the respiration of leaves.
Tomato leaf juice
This is the first time I've heard of this girl. I don't know if it works. It is said that tomato leaves contain certain toxins, full-time red spiders and aphids.
Pick fresh tomato leaves, mash and soak in water, filter after 1 hour, and the clear liquid can be used to water the flowers! Spray it once a day, and soon the bugs will be dead!
We can rest assured that the toxin in tomato leaves is full-time insects, and is a small amount, will not affect human health.
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Wild orchid seeds have never seen tens of millions of orchid seedlings grow like this.
Wild orchids do not know, have you ever seen, but recently saw several pictures from the Internet, really understand that the original orchid seeds look like this! Orchids are mostly propagated by seeds (in this case, wild).
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