Forsythia Perennial. Check out these articles for information on all aspects of growing this popular perennial shrub. The two best times are early spring and mid fall depending on your hardiness zone.
A deep green in color the serrated leaves act as a neutral backdrop for perennials and annuals. This deciduous perennial bush has arching branches with flowers that come before the leaves appear. The two best times are early spring and mid fall depending on your hardiness zone.
Before plants break dormancy in late winter thin out 1 4 to 1 3 of the oldest stems cutting back to the ground to open up the plant and improve air.
Forsythias are fast growing early blooming shrubs that offer beautiful golden yellow blooms in the spring followed by dark green foliage in the summer and lighter yellow green fall foliage. They thrive in zones 5 8. The ornamental shrubs are very popular with their yellow flowers which are formed in abundance on the branches already in april. The foliage of forsythia is nothing particularly noteworthy.