weeping willow (Salix babylonica), photographi

How to Grow Weeping Willow

Salix babylonica · Zones 4-9

Weeping Willow is a tree, a long-term addition to the landscape. It's hardy across USDA zones 4 through 9. Its spring flowers are a real draw for honeybees and native bees.

Weeping Willow — the short answer

Weeping Willow: grown in zones 4–9, full sun, pH 6–8.

USDA zones
4–9
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Soil pH
6–8
FAO ECOCROP
Sun
Full Sun
Growable Ground Plant Database
Frost-kill temp (growing season)
32°F
FAO ECOCROP

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.

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What Weeping Willow is

Weeping Willow grows as a perennial and reaches around 45 feet at maturity. It blooms in spring.

How to grow Weeping Willow

Weeping Willow grows in USDA zones 4 through 9. Weeping Willow does best in full sun — at least 6 hours of direct sun a day — and soil from pH 6 to 8, on evenly moist to well-drained ground. It needs a growing season of at least 300 frost-free days and about 400 hours of winter chill, which is why climate matters as much as soil.

USDA Zones

4-9

USDA PHZM 2023

Soil pH

6 - 8

FAO ECOCROP

Sun

Full Sun

Growable Ground plant catalog

Drainage

poorly (saturated >50% of year), well (dry spells)

Growable Ground plant catalog

Frost Kill Temperature

32°F

Where cold starts killing growing tissue. Not a winter-survival floor — a dormant perennial takes far colder, which its hardiness zone answers.

FAO ECOCROP

Minimum Growing Temperature

50°F

Below this it stops growing rather than dies — a pace limit, not a survival limit.

FAO ECOCROP

Mature Height

45 ft

Growable Ground plant catalog

Chill Hours

400+

Winter hours below ~45°F it needs to fruit — too-mild winters can leave it bloom-shy.

Growable Ground plant catalog

Frost-Free Days

300+

The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.

Growable Ground plant catalog

  1. Plant it right

    Set weeping willow in full sun with evenly moist to well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.

  2. Match the soil

    Weeping Willow prefers pH 6 to 8 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. Be patient, then harvest

    Prune annually while the tree establishes; fruit trees reward patience with years of harvest. Local Extension guides publish per-cultivar bearing-age tables.

Where Weeping Willow thrives

Weeping Willow is hardy across USDA zones 4 through 9. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.

A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 49 spans average winter lows from -30°F to 30°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 33 outright and splits 18 more down the middle — and which side of that line your land sits on changes the answer.

Zones 4–9 highlighted on the USDA national hardiness zone map

Zones 4–9·Where Weeping Willow growsOpen map →

This map is derived from the USDA ARS / PRISM Plant Hardiness Zone Map (2023) and is not the official USDA Plant Hardiness Zone Map.

Where Weeping Willow stands, state by state

Weeping Willow is rated for zones 49 — a cold floor USDA puts at -30 to -20°F. Across the 50 states and DC, 33 sit fully inside that band, the line runs through 18 more, and 0 sit outside it — and inside every split state, the same line runs on at county grain.

Fully inside zones 4–9

33 states

3 of 33 shown

The line runs through

18 states

3 of 18 shown

Weeping Willow’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.

State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.

What grows around Weeping Willow

In rotation planning, weeping willow counts as a Other — beds recover best when other crops don’t follow each other in the same spot year over year. (Growable Ground derivation — crop-rotation group from botanical family)

Good to know

One caution for pet owners — weeping willow is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: Pet Poison Helpline.)

Weeping Willow is a standout pollinator plant — high value to bees and other pollinators. (Source: Xerces Society.)

Your land is one point inside Weeping Willow's range

This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.

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See if Weeping Willow will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether weeping willow actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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How we know this about Weeping Willow

The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.

Grounded inUSDA PLANTS DatabaseUSDA PHZMASPCA

Frequently asked questions

Can I grow Weeping Willow in my zone?

Weeping Willow grows in USDA hardiness zones 4 through 9 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.

When should you plant Weeping Willow?

Set weeping willow out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.

How much sun does Weeping Willow need?

Weeping Willow needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.

What soil does Weeping Willow need?

Weeping Willow prefers soil pH 6 to 8, on evenly moist to well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Weeping Willow attract pollinators?

Yes — weeping willow's flowers are a strong nectar and pollen source for honeybees and native bees. (Source: Xerces Society.)

Is Weeping Willow safe for pets?

Weeping Willow is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: Pet Poison Helpline.)