Which plants are good at repelling insects?

New Scientist magazine has put a plant in the top 10 of the best insect repellents, along with plants that can fight off disease and predators.

The magazine’s latest issue, released this week, features a selection of more than 1,000 species of plants that are good against a range of insect pests.

Plants that are particularly good against some of the more common and aggressive forms of insect attack include the common garden tomato, the rose bush, and the mustard-flower plant.

Other species of insects, such as the cockroach, can also be a good choice for repelling them.

The top 10 list features more than a dozen plants that have received a “great rating”, which means the plant is a very good option for the individual who uses it regularly.

“Some plants have become more popular with the public over the last decade,” says the magazine.

“But the majority of the plants that we’re publishing are still fairly new.”

Here’s what the best plant repellants are out there, according to New Scientist: 1.

Pineapple Plant: Pineapple plants are a great choice for insect repelling.

They contain the chemical saponins which can help stop cockroaches from eating their fruit, and also help reduce the number of times a cockroach gets a bite.

“It can be quite effective, with the right combination of ingredients,” says Chris Taylor, a plant pathologist at the University of Exeter.

“Pineapple plant repelling agents include the grapefruit seed extract and the citrus fruit extract.”

Pineapple seeds are used to make a “pineapple juice” and a natural extract that contains the saponin saponil.

The saponines are very strong and are absorbed in the skin by most insects.

“There are some plants that make great insect repellers,” Taylor says.

“For example, the citrus fruits of the grapefruits are highly repellant to cockroach eggs, and they’re very easy to cultivate.”

A small number of plants have also been used to produce a more concentrated version of the Pineapple Juice, which is also effective against cockrocks.

“Insects are not the only things that they can eat, and some insects are really good at digesting a lot of plant matter,” Taylor adds.

“You can get a lot out of a grapefruit, which makes it great for insect control.

But I wouldn’t be surprised if you found that grapefruit juice was actually very effective against the cockrobera.”

The Pineapple juice has been tested against the most common forms of cockroach infestation.

“We’ve found that it’s very effective in reducing cockroach populations,” Taylor explains.

“I’d say this is probably a better option than other methods because it’s not as invasive as a traditional insect control method, but it’s still effective.”


Peppermint Plant: Peppermint is another plant that is effective against insects.

A number of people have used peppermint in their own gardens, and there are several varieties of peppermint plants that you can grow to suit your needs.

The best peppermint plant repellers include the citrus-fir and lemon peppermint.

“The peppermint leaf extract is a good, well-tolerated, non-toxic plant-based repellence agent that is used for a range, including cockroaks and some other invertebrates,” Taylor said.

“Most people think of peppermints as an exotic fruit, but peppermint is a fairly common plant-derived repellance agent in the UK.”

There are many varieties of peppersmint and the peppermint extracts are not as strong as the citrus extracts, which are generally stronger.

However, the peppermint leaves contain the same saponine as the lime, and are less toxic to the insect.

“If you want to use peppermint to treat cockroches, you can do that with other types of plants,” Taylor suggests.

“A variety of plants is more suitable than a single peppermint extract.”


Grapefruit Seed Extract: “Grapefruit seeds are a good insect repeller, as long as you’ve got them in a well-seeded garden,” Taylor notes.

“These seeds contain a good amount of saponils, and can help prevent cockrobers from chewing them.”

The best plants for mosquito repellers include the mint, orange and grapefruit plant.

“Grapes are really effective, but if you’ve planted grapefruit seeds you’ve probably had some trouble with cockrobes and other insects, so it’s probably best to try a different variety,” Taylor advises.

“They’re a good candidate for mosquito control, but they can be a little bit toxic to cockroach eggs, so you may want to try using a different plant for that.”


Pine Tree Bark: “Pines are great for repellating cockrochas and other pests that have trouble biting,” Taylor noted. “Because

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