When should I prune my Forsythia?

Prune immediately after the flowers fade to ensure you do not cut off next year's buds.

Why is my Forsythia not blooming?

It may have been pruned too late in the season or it is not receiving enough sunlight.

Plant guide

Weeping forsythia.

Forsythia suspensa

Pronounced for-SITH-ee-uh sus-PEN-suh

Also known as Golden-bell, Weeping forsythia, forsythia, goldenbells, trailing forsythia, weeping goldenbells

Golden-bell — Photo by Elias Mangels (CC BY) via iNaturalist

This shrub is a classic sign of spring with its arching branches covered in bright yellow blooms. It is a hardy plant that brings a cheerful splash of color to your garden early in the season. You will love how easily it adapts to various garden spots.

Another photo of Weeping forsythia — Photo by clarko13 (CC0) via gbif

At a glance

Care level: Easy
Plant type: Deciduous shrub
Light: Full sun to partial shade
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 8 to 10 feet
Growth rate: Fast
Hardiness: USDA 5 to 8
Bloom time: Early to mid spring

Care

Plant this shrub in a sunny spot to ensure the best flower production. Prune right after the flowers fade to keep the shape tidy and encourage new growth for next year. Watch for wilting leaves which might indicate the soil is too dry during the heat of summer.

Watering: Water deeply once a week during dry spells to keep the roots hydrated.
Feeding: Apply a balanced fertilizer once in early spring before the new growth starts.
Pruning: Trim back the branches immediately after the spring flowering period ends.
Repotting: If growing in a container, move to a larger pot every few years when it becomes root bound.
Soil: Well drained loamy soil
Soil pH: 6.0 to 7.5
Temperature: -25 to 35°C
Humidity: 40 to 70%
Drought tolerance: Moderate
Lifespan: Perennial, typically 20 to 30 years
Fragrance: Light
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of the drainage holes.
Water running straight through the pot without soaking in.
Stunted growth during the active season.

Safety

People: The plant is generally considered non toxic but should not be consumed.
Children: The branches are sturdy and may pose a minor scratching risk if children play near them.
Contact allergens: Handling the stems may cause minor skin irritation in sensitive individuals.
Airborne allergens: Pollen is generally not a significant allergen.
Edibility: This plant is not considered edible and ingestion may cause mild stomach upset.

How to identify it

Arching and drooping branch habit
Bright yellow four petaled flowers
Opposite simple or trifoliate leaves
Lenticels visible on woody stems

Height: 2 to 3m
Spread: 2 to 3m
Leaves: green, deciduous
Flowers: yellow, 2 to 3cm
Fruit: brown, Autumn

Problems to watch for

Forsythia GallCommon
Leaf SpotCommon
AphidsUncommon
Leaf ScorchUncommon
Powdery MildewUncommon
Root RotUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: cuttings, layering
When to plant: spring, autumn
Overwintering: No special winter protection is needed as it is quite hardy. Mulch around the base to keep roots cool and moist.
In containers: It can be grown in large containers, but it prefers being in the ground to reach its full potential.

Softwood Cuttings

Take 15 cm cuttings in late spring.
Remove lower leaves.
Dip in rooting hormone and place in moist soil.
Cover with a plastic bag to maintain humidity.

Plant spring bulbs around the base to take advantage of the early season light before the shrub leaves out fully.

Grows well with

Daffodil · They bloom at the same time and create a beautiful yellow color display.
Grape Hyacinth · The blue flowers provide a nice color contrast to the yellow Forsythia blooms.

Similar species

Border Forsythia · It is a common hybrid with a more upright growth habit.

Science

Family: Oleaceae
Genus: Forsythia
Order: Lamiales
Class: Magnoliopsida
Native range: China
Conservation: This species is not of conservation concern.

It thrives in open, sunny slopes where its arching branches can easily root when they touch the ground.

Value to wildlife: early season nectar source
Pollinators: bees, butterflies
Uses: ornamental shrub, erosion control, bank cover

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 7/9
Temperature: 5/9
Moisture: 5/9
Nutrients: 5/9

Taxonomy resolved against GBIF.

Questions people ask

When should I prune my Forsythia?: Prune immediately after the flowers fade to ensure you do not cut off next year's buds.
Why is my Forsythia not blooming?: It may have been pruned too late in the season or it is not receiving enough sunlight.

Where the name comes from

The genus is named after William Forsyth, a Scottish botanist and royal gardener. The species name suspensa describes the plant's pendulous or hanging branches.

Good to know

It is one of the first shrubs to bloom in the spring.
The name suspensa refers to its drooping, weeping habit.
It is a traditional plant in many Asian gardens.

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This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.