Zones 3b - 8
Forsythias are a genus of the olive family of plants (Oleaceae). Its yellow flowers appear in either the 3-part narrow petal or four petal star shaped. The plant is a deciduous shrub, and also goes by the name golden bell. They usually range from 8' to 10' tall and 10' to 12' wide, and have a rapid growth rate. Forsythia grow anywhere in USDA Hardiness Zones 3b to 8. Their main season of interest is spring, but there are varieties that have yellow fall leaf color. Common uses for forsythia include:
● Shrub borders
Species of forsythia: F. suspensa and F. viridissima
Hybrids of forsythia: Forsythia × intermedia
Zones for Forsythia
Zones 3b - 8
Soil for Forsythia
Tolerant of most soil conditions, but prefer moist well-drained soil with a pH of 5.0 to 8.0.
The only times to avoid planting forsythia throughout the year are during frost or height of summer (water regularly to establish with summer planting). Plant forsythia in an area with full sun to achieve maximum flowering. With sizes ranging from 8' to 10' tall and 10' to 12' wide you will want to plan your spacing accordingly and leave plenty of room for growth.
Irrigation for Forsythia
Forsythia thrives in soils that are slightly damp to moderately dry. Areas prone to waterlogging are not best suited for forsythia. Extended dry periods may require watering, but supply slowly due to the plant's shallow roots.
Deer Resistance & Pollinators
Forsythia is considered deer-resistant once established, and Japanese beetle resistant. Keep an eye on your new growth, as they tend to be a favorite for deer.
Fertilization for Forsythia
Forsythia will not need additional nutrients in most gardens, as long as it is planted in a nutrient-rich, humus soil or fertilizers have been added to the soil.
Pruning for Forsythia
After forsythia flowers in the spring is the optimal time to prune, and will help develop fall buds. Since forsythia is a rapid grower, you will want to prune regularly to maintain a manicured shape.
Whether you need containers, soil or trowels, we've got the supplies you need to plant forsythia and keep them healthy all year long.
Healthy soil is the key to healthy forsythia! Healthy soil that is rich in organic material means healthy, disease resistant plants that require less watering and feeding.
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