Neem trees, like many tropical plants, are day-length sensitive and will stop growing in the winter unless supplemental light is provided.
If you expect to harvest neem year-round, make sure your tree receives as much natural light as possible during the day, then several hours of artificial light at night during the short days of bushfall.buzzted Reading Time: 3 mins.
How To Grow A Neem Tree. Neem trees are heat loving plants and grow best in hot bushfall.buzz can tolerate cooler weather, down to about 35 F or 5°C. However, if your climate has long periods of such cool weather, or if it gets even colder than that, then you won't have much luck growing a neem tree plant in your garden.