North America Non-native Plant

Weeping Forsythia

Botanical name: Forsythia suspensa

USDA symbol: FOSU

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Weeping Forsythia: A Spring Spectacle Worth Considering (With Caveats) When spring fever hits and you’re craving those first splashes of color after a long winter, weeping forsythia (Forsythia suspensa) certainly knows how to make an entrance. This cheerful shrub bursts into brilliant yellow blooms before most other plants have even ...

Weeping Forsythia: A Spring Spectacle Worth Considering (With Caveats)

When spring fever hits and you’re craving those first splashes of color after a long winter, weeping forsythia (Forsythia suspensa) certainly knows how to make an entrance. This cheerful shrub bursts into brilliant yellow blooms before most other plants have even thought about waking up from their winter nap. But before you rush to the garden center, let’s dig into what makes this plant tick and whether it deserves a spot in your landscape.

What Exactly Is Weeping Forsythia?

Weeping forsythia is a perennial, multi-stemmed woody shrub that typically grows to about 6 feet tall and wide. True to its name, this plant has an elegant arching or weeping growth habit that creates a graceful, vase-shaped silhouette in the landscape. The branches cascade downward, making it particularly striking when planted on slopes or elevated areas where the weeping form can be fully appreciated.

This rapid grower puts on quite a show each early spring, covering itself in bright yellow flowers before the leaves appear. The blooms are conspicuous and abundant, creating a golden fountain effect that’s hard to miss. Once the flowers fade, the plant develops medium-textured green foliage that remains dense through summer but becomes more open in winter when the leaves drop.

The Native Status Reality Check

Here’s where things get a bit complicated. Weeping forsythia isn’t a North American native – it originally hails from China. However, it has naturalized across much of the United States and now reproduces spontaneously in the wild without human help. You’ll find established populations across 18 states, from Arkansas and Connecticut to Washington and Utah, primarily throughout the eastern and central regions.

While it’s not currently listed as invasive in most areas, its ability to self-seed and establish in wild areas means it can potentially compete with native plants. This is something environmentally conscious gardeners should keep in mind when making planting decisions.

Garden Role and Landscape Appeal

Despite its non-native status, weeping forsythia does have some legitimate landscape uses. Its arching branches make it excellent for:

  • Slope stabilization and erosion control
  • Informal hedging or screening
  • Specimen planting where its weeping form can shine
  • Naturalizing in informal garden areas

The plant works best in casual, informal garden settings rather than formal landscapes. Its rapid growth rate means it can quickly fill space, but this same vigor requires regular management to keep it looking its best.

Growing Conditions and Care

One thing you can say about weeping forsythia – it’s not particularly fussy. This adaptable shrub thrives in USDA hardiness zones 5-8 and tolerates a wide range of conditions:

  • Soil: Prefers medium-textured soils with pH between 5.0-7.5
  • Moisture: Medium water needs; drought tolerance is low
  • Light: Full sun produces the best flowering, though it tolerates some shade
  • Temperature: Hardy to -43°F, needs at least 100 frost-free days

Planting and Maintenance Tips

Getting weeping forsythia established is refreshingly straightforward. The plant is routinely available at garden centers and can be propagated through bare root plants, containers, or cuttings. Here’s what you need to know:

  • Plant in spring or fall when temperatures are moderate
  • Space plants 700-1700 per acre depending on desired density
  • Water regularly during the first growing season to establish roots
  • Prune immediately after flowering to maintain shape and size
  • Apply mulch to retain moisture and suppress weeds

The plant requires cold stratification for seed germination, but most gardeners will find purchasing established plants much easier than growing from seed.

Wildlife and Pollinator Benefits

Here’s where weeping forsythia earns some environmental points back. Its early spring blooms provide a valuable nectar source when few other flowers are available. Bees and other early pollinators appreciate this timing, making it a useful addition to pollinator support gardens, even if it’s not native.

The Bottom Line: To Plant or Not to Plant?

Weeping forsythia occupies an interesting middle ground in the native plant debate. It’s not native, but it’s also not aggressively invasive in most areas. If you’re drawn to its early spring display and graceful form, there’s no major environmental harm in planting it – just be mindful of its spreading potential.

However, if you’re committed to supporting native ecosystems, consider these native alternatives that offer similar early season interest:

  • Spicebush (Lindera benzoin) for yellow fall color and early blooms
  • Native azaleas for spring flowering shrubs
  • Serviceberry (Amelanchier species) for early white blooms
  • Redbud (Cercis canadensis) for early spring color

Whatever you choose, remember that the best garden plant is one that fits your specific site conditions and maintenance preferences while supporting the broader ecosystem you’re trying to create. Weeping forsythia might just be that plant for you – or it might inspire you to explore some wonderful native alternatives instead.

How

Weeping Forsythia

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Multiple Stem and Vase

Growth rate

Rapid

Height at 20 years

6

Maximum height

6.0

Foliage color

Green

Summer foliage density

Dense

Winter foliage density

Moderate

Foliage retention

No

Flowering

Yes

Flower color

Yellow

Fruit/seeds

No

Fruit/seed color
Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

High

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Weeping Forsythia

Growing Conditions

Adapted to Coarse Soil

No

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance

None

CaCO₃ tolerance

Medium

Cold Stratification

Yes

Drought tolerance

Low

Nutrient requirement

Medium

Fire tolerance

High

Frost-free days minimum

100

Hedge tolerance

Medium

Moisture requirement

Medium

pH range

5.0 to 7.5

Plants per acre

700 to 1700

Precipitation range (in)

32 to 60

Min root depth (in)

16

Salt tolerance

None

Shade tolerance

Intolerant

Min temperature (F)

-43

Cultivating

Weeping Forsythia

Flowering season

Early Spring

Commercial availability

Routinely Available

Fruit/seed abundance
Fruit/seed season
Fruit/seed persistence

No

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

Yes

Propagated by seed

No

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound
Seed spread rate

None

Seedling vigor
Small grain

No

Vegetative spread rate

Slow

Weeping Forsythia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Oleaceae Hoffmanns. & Link - Olive family

Genus

Forsythia Vahl - forsythia

Species

Forsythia suspensa (Thunb.) Vahl - weeping forsythia

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA