annual lespedeza (Kummerowia striata), photographi

Can I Grow Annual Lespedeza in West Virginia?

USDA Zones 5b-7a · Plant zone range 5-9

Yes — Strong Match

annual lespedeza (zones 5-9) covers every zone West Virginia contains (5b-7a), so hardiness is not what limits it anywhere in the state.

Annual Lespedeza in West Virginia — the short answer

Annual Lespedeza in West Virginia: hardy in zones 5–9, full sun, against a state median of ~204 frost-free days.

Plant zones
5-9
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
West Virginia zones
5b-7a
USDA PHZM 2023
Frost window
Apr 4 - Apr 15 – Oct 26 - Nov 5
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
170 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
120 days
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free

Your yard isn't the whole zone.

Annual Lespedeza is grown as an annual, so your winter zone isn't the deciding factor — your frost-free window is. A typical West Virginia site runs ~204 frost-free days, but that is a state median, not your yard: slope, trees, and low spots move the last-frost date across a single parcel. Enter your address and we'll score annual lespedeza against your land's actual frost dates, sun, and soil.

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

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West Virginia is not one climate

A single West Virginia answer averages 55 counties whose growing seasons are 62 days apart — from 170 frost-free days in Pocahontas County to 232 in Logan County. Which end of that your land sits nearer changes what annual lespedeza can finish before the first hard freeze.

170 daysPocahontas County232 daysLogan County

The middle half of 55 counties runs 194214 days, with a median of 204 days — a 62-day span end to end.

Measured across 55 West Virginia counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where in West Virginia Fits Best

Even within West Virginia's zones 5b-7a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for annual lespedeza (USDA PHZM 2023):

Zone Comparison

Annual Lespedeza Needs

  • USDA Zones: 5-9
  • Frost-Free Days: 120+
  • Sun: Full Sun
  • Mature size: 1.5 ft tall
  • Drought tolerance: High

West Virginia Has

  • USDA Zones: 5b-7a
  • Last Hard Freeze (28°F): Apr 4 - Apr 15
  • First Hard Freeze (28°F): Oct 26 - Nov 5
  • Annual Rainfall: 38-56 inches
  • Common Soils: Shale-derived, Sandy loam, Clay loam

Plant Zone Range (zones 5-9)

5a
9b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.08.0

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Annual Lespedeza in West Virginia

The frost window

Across West Virginia, the last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 194-day window you can count on — up to 215 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Frost hardiness

Annual Lespedeza takes cold down to about 28°F before a freeze kills it (FAO ECOCROP), so you can plant on the early side of West Virginia's window — even a few weeks before the final hard freeze. That is the point where cold damages growing tissue, not a winter-survival floor — an established perennial comes through far colder while dormant, which is what its hardiness zone tells you.

When to start the seed

Annual Lespedeza is direct-sown where it grows rather than started under cover, so there is no seed-tray head start to bank — West Virginia's dates above are the whole calendar for it. That makes the last-freeze date the binding constraint, and a warmer pocket of your own yard is worth more to this crop than it is to a transplanted one.

Days to maturity vs. the window

At 120 days to maturity (Growable Ground Plant Database), counting from the last hard freeze it ripens with 74 days to spare even in West Virginia's tightest freeze scenario — room for a later start or a second sowing.

Timing tuned to sub-state frost dates — Pocahontas County, not the statewide average.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

The zone check says annual lespedeza survives winter here. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Annual Lespedeza wants 120+ frost-free days; a typical West Virginia site sees ~204 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.

Growing degree days

Annual Lespedeza needs ~1800 GDD (base 50°F) to ripen. The state median runs ~2941 GDD (from PRISM 1991-2020 climate normals), so West Virginia's typical season clears that easily.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

Annual Lespedeza tolerates a wide pH range (pH 5-8) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in West Virginia. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 5.5 and 6 — worth knowing before you decide whether a West Virginia soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your West Virginia site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

West Virginia's soils run mostly silt loam, but SSURGO maps the series, texture, and drainage under your exact parcel. What matters for annual lespedeza is the horizon its roots actually work, not the surface. That map unit, not the state average, decides how annual lespedeza performs.

Check your parcel → Source: USDA NRCS SSURGO.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. West Virginia soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

What Else to Consider for Annual Lespedeza in West Virginia

Zone compatibility tells you about winter cold survival — but West Virginia growers also need to think about:

Steep terrain limits usable growing area

Thin acidic soils over shale bedrock

Short mountain valley growing seasons

Growing annual lespedeza here specifically

Annual Lespedeza needs pH 5.0–8.0; West Virginia's dominant silt loam soils may or may not deliver that, so your parcel's SSURGO map unit is the real test.

Start with a soil test on your own ground and adjust pH and texture to fit annual lespedeza's 5.0–8.0 range. How to handle it →

What to actually do about these — and the constraints that apply to every West Virginia grower, not just annual lespedeza — is covered on the West Virginia growing guide.

Timing shifts within West Virginia

West Virginia isn't one climate. In Pocahontas County, the last hard freeze (28°F) holds until about Apr 30 — roughly 20 days later than the recorded state median — so plant annual lespedeza to your county's window, not the statewide date.

Annual Lespedeza needs about 120 days of frost-free season to complete its cycle. Even Pocahontas County — West Virginia’s shortest season at 170 frost-free days — clears that by 50 days, so season length isn’t the constraint anywhere in West Virginia. What varies is your own parcel.

Across West Virginia’s 55 counties the frost-free season runs from 170 days in Pocahontas County to 232 days in Logan County — a spread of 62 days, which is why a single statewide planting date misleads. The median West Virginia county sees 204 frost-free days, leaving annual lespedeza about 84 days of slack on a typical parcel — room for a second sowing where the season runs long.

County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Annual Lespedeza's 120-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

Pollinator + Wildlife Value

Annual Lespedeza draws honeybees and native bees (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, annual lespedeza can only work that bloom inside West Virginia's frost window — roughly 204 days, opening after the last 28°F freeze (Apr 4 - Apr 15) and closing at the first (Oct 26 - Nov 5), per NOAA Regional Climate Centers ACIS, 1991-2020.

West Virginia Cooperative Extension

For West Virginia-specific cultivar recommendations, planting calendars, and pest pressure for annual lespedeza, the canonical source is WVU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Annual Lespedeza native to West Virginia?

No — the USDA PLANTS Database lists Annual Lespedeza as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.

Looking for plants that belong here? The West Virginia growing guide lists USDA-documented natives for the state.

Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.

Common Questions About Growing Annual Lespedeza in West Virginia

When can I plant Annual Lespedeza in West Virginia?

West Virginia's last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). Annual Lespedeza takes cold to about 28°F before a freeze kills it (FAO ECOCROP — the point where cold damages growing tissue, not a winter-survival floor), so plant on the early side of that window — even ahead of the final hard freeze.

Can Annual Lespedeza mature before first frost in West Virginia?

Yes — Annual Lespedeza matures in 120 days (Growable Ground Plant Database), and West Virginia's dependable hard-freeze-free window runs 194 days (NOAA Regional Climate Centers ACIS, 1991-2020), leaving 74 days of margin. Plant once the last hard freeze has passed — two to three weeks later for anything tender — and it ripens ahead of the first fall freeze.

What hardiness zone is Annual Lespedeza grown in across West Virginia?

West Virginia spans USDA hardiness zones 5b-7a (USDA ARS PHZM 2023). Annual Lespedeza carries a range of zones 5-9, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical West Virginia site have?

A typical West Virginia site sees ~204 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Annual Lespedeza needs 120+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Pocahontas, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Annual Lespedeza native to West Virginia?

No — the USDA PLANTS Database lists Annual Lespedeza as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.

How should I amend the soil for Annual Lespedeza in West Virginia?

Annual Lespedeza tolerates pH 5-8 and well (dry spells) drainage (Growable Ground Plant Database). That is a 3-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a West Virginia site — amend for drainage and organic matter first.

Will Annual Lespedeza actually grow on my specific land in West Virginia?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores annual lespedeza against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free Report

Check your specific parcel in West Virginia

State-level data is a sketch. Your Growable Ground report scores annual lespedeza against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that West Virginia annual lespedeza averages can't show:

Your soil pHYour frost-free days — West Virginia averages 204Your sun & shade

We read public map data around West Virginia — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the West Virginia annual lespedeza average

Explore More

Explore West Virginia county by county

West Virginia carries 55 counties with their own USDA zone — a sample of the growing pages for annual lespedeza there:

Where else annual lespedeza grows

Annual Lespedeza's zone band crosses state lines — these are the states closest to West Virginia in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.

More to grow in West Virginia

West Virginia has a growing page for 893 plants — a rotating sample of the rest of the shelf.

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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