Zones 5 - 8
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Fothergilla, also known as witch-alder or mountain witch alder, is a deciduous shrub from the same family as witch hazel (Hamamelis). Its white aromatic flowers bloom in spring after the foliage appears. The flowers appear like bottle brush spikes which are 1-3" long. They grow from 6' to 10' with a spread of 5' to 9', and are slow-growing. The dwarf fothergilla are significantly smaller and may reach around 3' tall. Forsythia grow anywhere in USDA Hardiness Zones 5 to 8. Their main season of interest is spring, but in fall its leaves turn shades of reds, oranges and yellows that create stunning visual interest. Common uses for fothergilla include:
● Groupings or mass planting
● Mix with rhododendrons
Extant species of fothergilla: F. major (Large Fothergilla) and F. gardenii (Dwarf Fothergilla)
Hybrids of fothergilla: Fothergilla x intermedia
Zones for Fothergilla
Zones 5 - 8
Soil for Fothergilla
Prefers a moist, acidic soil that is organically rich and are not excessively drained -- an acidic clay soil which can hold moisture and drains well is ideal. Soils should be a pH of <6.8.
Planting for zones 7 & 8 can be done year round, other zones should be planted in early spring of early fall. Plant fothergilla in an area with full sun or partial shade.
Irrigation for Fothergilla
Watering depends on the amount of sun and/or shade provided. Water during dry periods. These plants will suffer in extended drought, especially when planted in full sun.
Deer Resistance & Pollinators
Fothergilla is considered deer-resistant, and is also very disease and insect resistant.
Fertilization for Fothergilla
Acid-forming fertilizers are the best to use, because of the fothergilla's need for acidic soils. In richer soils fothergilla will likely not need any fertilization.
Pruning for Fothergilla
Light pruning to remove unwanted suckers or damaged branches immediately after flowering.
Whether you need containers, soil or trowels, we've got the supplies you need to plant fothergilla and keep them healthy all year long.
Healthy soil is the key to healthy fothergilla! Healthy soil that is rich in organic material means healthy, disease resistant plants that require less watering and feeding.
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