General
Forsythia is a fast-growing, deciduous shrub best known for its bright yellow flowers that appear very early in spring, often before the leaves emerge. It is one of the clearest signs that spring has arrived. Forsythia is extremely hardy, easy to grow, and tolerant of urban conditions, making it a popular choice for hedges, screens, and informal plantings.
Light
Full sun to partial sun; flowering is most abundant in full sun.
Soil type
Well-drained garden soil; tolerant of many soil types including clay and sandy soils.
Water requirement
Medium; drought tolerant once established but benefits from watering during dry periods.
Nutrient requirement
Low; thrives in ordinary garden soil without heavy fertilization.
Precultivation
Forsythia is rarely grown from seed in gardens. It is easily propagated by hardwood or softwood cuttings, layering, or division, producing plants identical to the parent.
Planting
Plant in spring or early autumn in a sunny or lightly shaded position. Allow enough space for its arching growth habit. Water regularly during the first growing season to ensure good root development.
Pruning
Prune immediately after flowering. Remove up to one third of the oldest branches at ground level to rejuvenate the shrub. Avoid pruning in autumn or early spring, as this will reduce flowering.
Maintenance
Forsythia is very low maintenance once established. Mulch in spring to conserve moisture and improve soil structure. Fertilization is rarely needed unless growth is weak.
Harvest
Not applicable, as forsythia is grown for ornamental value.
Common issues
Generally problem-free. Poor flowering is usually caused by heavy pruning at the wrong time or insufficient sunlight.
Pollination
Insect-pollinated, mainly by early-season bees.
Companion plants
Early spring bulbs, spirea, mock orange, ornamental grasses.
Incompatible plants
Plants requiring deep shade or permanently wet soil.