Yes — Strong Match
buttonbush (zones 5-9) covers every zone Mississippi contains (7b-9b), so hardiness is not what limits it anywhere in the state.
Buttonbush in Mississippi — the short answer
Buttonbush in Mississippi: hardy in zones 5–9, full sun.
- Plant zones
- 5-9
- Rated hardy to zone 5a by NC State Extension Gardener Plant Toolbox, checked Oct 2026. Ceiling: not verified.
- Mississippi zones
- 7b-9b
- USDA PHZM 2023
- Frost window
- Feb 17 - Mar 3 – Nov 21 - Nov 30
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 232 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
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.
Your yard isn't the whole zone.
Mississippi spans zones 7b-9b, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score buttonbush against your parcel's actual hardiness, soil, and sun.
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Mississippi is not one climate
Mississippi’s winter-low ladder runs across 82 counties, from zone 7.5 in Benton County to zone 9 in Wilkinson County. That is 15°F between the two counties’ average coldest night — the difference between buttonbush overwintering in the ground and coming under cover.
The middle half of 82 counties runs 8–8.5 zones, with a median of 8.5 zones — a 1.5-zone span end to end.
Measured across 82 Mississippi counties. USDA PHZM 2023, per county. 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 Mississippi Fits Best
Even within Mississippi's zones 7b-9b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for buttonbush (USDA PHZM 2023):
Zone Comparison
Buttonbush Needs
- USDA Zones: 5-9
- Sun: Full SunWe haven't confirmed this against a published source yet.
- Mature size: 15 ft tall
- Drought tolerance: Medium
Mississippi Has
- USDA Zones: 7b-9b
- Last Hard Freeze (28°F): Feb 17 - Mar 3
- First Hard Freeze (28°F): Nov 21 - Nov 30
- Annual Rainfall: 50-65 inches
- Common Soils: Loess, Alluvial clay, Sandy loam
Plant Zone Range (zones 5-9)
Preferred Soil pH
We haven't confirmed this against a published source yet.
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 Buttonbush in Mississippi
The frost window
Across Mississippi, the last spring hard freeze (28°F) clears between Feb 17 and Mar 3, and the first fall hard freeze lands between Nov 21 and Nov 30 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 263-day window you can count on — up to 286 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.
Winter standing
Mississippi runs as cold as USDA zone 7, and no sourced winter-hardiness floor is on record for buttonbush, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether buttonbush is a permanent planting or a replant-every-spring crop for you turns on your own zone within Mississippi; check its hardiness range against that before treating it as long-lived ground.
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.
Soil + Drainage Fit
Buttonbush tolerates a wide pH range (pH 4.7-8.6) — 3.9 units, acid ground through alkaline — so soil acidity is rarely what limits it in Mississippi. 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 7 — worth knowing before you decide whether a Mississippi soil test result is a problem or just a number. Drainage requirement: poorly (saturated >50% of year). A soil-survey lookup (NRCS SSURGO) flags whether your specific site matches. pH range, preferred pH and drainage need: We haven't confirmed this against a published source yet.
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. Mississippi soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
What Else to Consider for Buttonbush in Mississippi
Zone compatibility tells you about winter cold survival — but Mississippi growers also need to think about:
Extreme summer heat and humidity
Heavy alluvial clay in the Delta region
Frequent severe storms and flooding
What to actually do about these — and the constraints that apply to every Mississippi grower, not just buttonbush — is covered on the Mississippi growing guide.
Where in Mississippi Buttonbush Is Zone-Hardy
Buttonbush is rated for USDA zones 5–9. Every one of Mississippi’s 82 counties sits inside that band — from Benton County at zone 7b to Wilkinson County at zone 9a — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.
Across those 82 counties Mississippi’s winter-low ladder runs from zone 7b in Benton County to zone 9a in Wilkinson County — 1.5 USDA zones of spread, which is 15°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.
The planting window moves with it. Tishomingo County holds its last hard freeze (28°F) until about Mar 23, while Harrison County is clear by Feb 4 — 47 days apart. Set buttonbush out on your county’s date, not the state’s.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". Buttonbush’s zone 5–9 band: Rated hardy to zone 5a by NC State Extension Gardener Plant Toolbox, checked Oct 2026. Ceiling: not verified.. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Pollinator + Wildlife Value
Buttonbush draws honeybees, native bees, and butterflies (high value). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, buttonbush can only work that bloom inside Mississippi's frost window — roughly 273 days, opening after the last 28°F freeze (Feb 17 - Mar 3) and closing at the first (Nov 21 - Nov 30), per NOAA Regional Climate Centers ACIS, 1991-2020. Pollinator value: We haven't confirmed this against a published source yet.
Mississippi Cooperative Extension
For Mississippi-specific cultivar recommendations, planting calendars, and pest pressure for buttonbush, the canonical source is Mississippi State University Extension Service. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Buttonbush native to Mississippi?
The USDA PLANTS Database (accessed 2026-10-19) lists Buttonbush as native to the Lower 48 and records it growing in Mississippi, but it does not say whether those Mississippi plants are native or introduced. Your state's native plant society or Cooperative Extension can tell you whether it is part of the local flora.
State records: USDA PLANTS Database state-distribution data (presence, not state-level nativity), accessed 2026-10-19.
Common Questions About Growing Buttonbush in Mississippi
When can I plant Buttonbush in Mississippi?
Mississippi's last spring hard freeze (28°F) clears between Feb 17 and Mar 3, and the first fall hard freeze lands between Nov 21 and Nov 30 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Buttonbush, so this page does not state whether it overwinters in Mississippi and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.
What hardiness zone is Buttonbush grown in across Mississippi?
Mississippi spans USDA hardiness zones 7b-9b (USDA ARS PHZM 2023). Buttonbush 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 Mississippi site have?
A typical Mississippi site sees ~273 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Buttonbush needs 120+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Buttonbush native to Mississippi?
The USDA PLANTS Database (accessed 2026-10-19) lists Buttonbush as native to the Lower 48 and records it growing in Mississippi, but it does not say whether those Mississippi plants are native or introduced. Your state's native plant society or Cooperative Extension can tell you whether it is part of the local flora.
How should I amend the soil for Buttonbush in Mississippi?
Buttonbush tolerates pH 4.7-8.6 and poorly (saturated >50% of year) drainage. We haven't confirmed this against a published source yet. That is a 3.9-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Mississippi site — amend for drainage and organic matter first.
Will Buttonbush actually grow on my specific land in Mississippi?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores buttonbush against your address's mapped soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Mississippi
State-level data is a sketch. Your Growable Ground report scores buttonbush against your land's mapped soil, modelled sun, drainage, and frost data — not zone averages.
Three things about your lot that Mississippi buttonbush averages can't show:
We read public map data around Mississippi — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mississippi buttonbush average
Explore More
Growing guides for buttonbush
Explore Mississippi county by county
Mississippi carries 82 counties with their own USDA zone — a sample of the growing pages for buttonbush there:
Where else buttonbush grows
Buttonbush's zone band crosses state lines — these are the states closest to Mississippi 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 Mississippi
Mississippi has a growing page for 1,029 plants — a rotating sample of the rest of the shelf.
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