Lilacs (syringa) bloom in spring. The large, beautiful wands of flowers bring about an abundant color to the landscape and fill the air with fragrance.
Common lilacs can also fall into this category. Since their blooms can last for a month, it means it will have to wait until late spring if it flowers late due to cold weather.
Most gardeners try to look for a single reason why their bush is not blooming. Instead of thinking about only one reason, look for possible reasons that may include: ...
Now that you know when lilac bushes bloom, you can expect a colorful home starting in the spring. But, if you are a lover of lilacs, go ahead and plant both the early and late bloomers so you can get plenty of flowers all through spring and summer.