Neem oil comes from the seeds of the neem tree (Azadirachta indica), a fast-growing member of the mahogany family native to southeast Asia. Typically expressed via a cold-pressing process, the oil is ...

I’m collecting my supplies and reading gardening articles and have run across several references to “neem oil.” What is it and how do you use it in the garden? Though pest populations are low right ...

Many gardeners may be new to using neem oil as an insecticide around vegetable plants. Neem oil, however, has been around for thousands of years. The bark, leaves and oil of the neem tree have been ...

Horticultural oils come from several sources and have long been used to control plant pests and diseases. All are considered organic pesticides and most are petroleum based but some come from ...

Neem oil naturally controls pests like aphids and thrips but should be used carefully to protect bees and tender plants. Apply in the morning or evening, avoid extreme temps, and test on a small leaf ...

Neem oil has become a popular insecticide and fungicide that is used by many gardeners. It is natural, organic, and relatively safe. It can be used to control or kill a wide range of pests, and it’s ...

This year, despite the cold snaps, certain pests seem to be in good supply. Aphids were reported on roses as early as mid-March and slugs seem to be waking up even more hungry than usual. Slugs can be ...

Mosquitoes, those tiny but persistent pests, can quickly turn a pleasant outdoor experience into an itchy nightmare. While commercial insect repellents are widely available, many people prefer natural ...

Q:After many years, we have leafcutting bees in our San Francisco garden. Will spraying with neem hurt the bees in any way? I would be grateful for any advice you can give. A: Leafcutting bees are the ...