How to Grow Weeping Forsythia

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Weeping Forsythia

Forsythia suspensa

shrub

Weeping forsythia is a deciduous ornamental shrub known for its graceful, arching branches that cascade downward, creating a fountain-like form. It produces bright yellow flowers in early spring before leaves emerge, providing one of the first signs of seasonal change. The plant is hardy, fast-growing, and relatively low-maintenance, making it popular for hedges, borders, and specimen plantings.

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Example Weeping Forsythia timeline · Pittsburgh, PA (Zone 6b)

Plant Weeping Forsythia
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Weeping Forsythia
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Weeping Forsythia dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6+ hours daily for best flowering; tolerates partial shade

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Water: Moderate water needs; drought-tolerant once established. Water deeply during establishment year and during prolonged dry spells. Avoid waterlogged soil.

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Spacing: 48 inches

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Days to maturity: Flowering begins in 2-3 years from young plants

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Planting depth: Plant at same depth as root ball; top of root ball level with soil surface

Soil

Type: Well-draining loamy or sandy soil

pH: 6.0-7.0

Amendments:

Compost peat moss aged manure

Growing Zones

Find your zone →

Thrives in zones 5-9, hardy to zone 4b

4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

Establishment

1 year

Young shrub with minimal growth in first year after planting

Water regularly to establish deep roots. Mulch around base to retain moisture. Avoid heavy pruning.

Vegetative Growth

2-3 years

Shrub develops full branch structure with arching, weeping form becoming apparent

Allow natural growth habit to develop; prune minimally. Remove dead or crossing branches. Fertilize in early spring.

Flowering

2-3 weeks in March-April

Bright yellow flowers cover bare branches in early spring, appearing before leaf break

Do not prune until after flowering to avoid removing flower buds. Flowers last 2-3 weeks.

Leafing Out

4-6 weeks

Dense green foliage emerges after flowering, creating full fountain-like canopy

Monitor for pest activity. Provide consistent moisture during active growth. Fertilize if needed.

Summer & Fall Dormancy

6 months

Plant enters maintenance phase with minimal growth; foliage yellows in fall before abscission

Reduce watering as plant slows. Prepare for dormancy. Plan pruning for late winter if needed.

Companion Planting

Plan your garden →

Plant with:

Spiraea Viburnum Crabapple Juniper Daylily Bleeding heart Hostas Spring bulbs (daffodils, tulips)

Avoid planting near:

Black walnut (allelopathic)

Common Pests

Prune and destroy affected branches; improve air circulation; avoid overhead watering
Remove infected leaves; apply fungicide if severe; improve drainage and air circulation
Spray with water to dislodge; use insecticidal soap or miticide if heavy infestation
Spray with strong water stream or insecticidal soap; encourage natural predators
Plant resistant varieties; ensure good drainage; avoid replanting in same location

Uses

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Cut Flowers & Forcing

Household

Forsythia branches are prized for early spring cut arrangements and can be forced indoors 2-3 weeks before natural bloom by cutting branches and placing them in water in a warm location. The bright yellow flowers provide cheerful early-season decoration. [source]

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Ornamental Landscaping

Craft

Weeping forsythia's graceful, cascading form makes it ideal for specimen plantings, hedges, screening, and espalier on walls or fences. The fountain-like habit creates visual interest and can be pruned to maintain formal or informal shapes. [source]

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Traditional Medicine

Medicinal

In traditional Chinese medicine, forsythia (forsythiae fructus) has been used for its purported antibacterial and anti-inflammatory properties. Modern research is ongoing into bioactive compounds. [source]

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Early Pollinators

Wildlife

Forsythia is one of the first spring nectar and pollen sources for bees and other pollinators emerging from dormancy, making it valuable for supporting wildlife populations in early spring. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Weeping forsythia is harvested for cut branches and flowers. Cut flowering branches in late winter/early spring for forcing indoors. Branches can be cut and placed in water immediately to enjoy indoors.

Fun Facts

🌱 Weeping forsythia (Forsythia suspensa) differs from the more common upright forsythia (Forsythia intermedia) by its naturally pendulous branches that can reach 8-10 feet if left unpruned.
🌱 Forsythia flowers appear before leaves, a characteristic called 'precocious flowering,' allowing the bright yellow blooms to stand out dramatically against bare branches.
🌱 Forsythia branches can be successfully forced to bloom indoors 2-3 weeks early by cutting branches and conditioning them in warm water, bringing spring into homes during late winter.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Full Sun Mulch Partial Shade pH

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