salvia (Salvia splendens), photographi

Can I Grow Salvia in Missouri?

USDA Zones 5b-8a · Plant zone range 2-11

Yes — Strong Match

salvia (zones 2-11) covers every zone Missouri contains (5b-8a), so hardiness is not what limits it anywhere in the state.

Salvia in Missouri — the short answer

Salvia in Missouri: hardy in zones 2–11, full sun, against a state median of ~219 frost-free days.

Plant zones
2-11
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
Missouri zones
5b-8a
USDA PHZM 2023
Frost window
Mar 27 - Apr 2 – Oct 31 - Nov 7
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
192 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
80 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.

Missouri spans zones 5b-8a, 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 salvia against your parcel's actual hardiness, soil, and sun.

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

No card required · your full report in seconds

Missouri is not one climate

Missouri’s winter-low ladder runs across 115 counties, from zone 5.5 in Atchison County to zone 7.5 in Pemiscot County. That is 20°F between the two counties’ average coldest night — the difference between salvia overwintering in the ground and coming under cover.

5.5 zonesAtchison County7.5 zonesPemiscot County

The middle half of 115 counties runs 67 zones, with a median of 6.5 zones — a 2-zone span end to end.

Measured across 115 Missouri 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 Missouri Fits Best

Even within Missouri's zones 5b-8a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for salvia (USDA PHZM 2023):

Zone Comparison

Salvia Needs

  • USDA Zones: 2-11
  • Frost-Free Days: 120+
  • Sun: Full Sun
  • Mature size: 1.5 ft tall
  • Picking window: ~90 days of harvest
  • Drought tolerance: Medium

Missouri Has

  • USDA Zones: 5b-8a
  • Last Hard Freeze (28°F): Mar 27 - Apr 2
  • First Hard Freeze (28°F): Oct 31 - Nov 7
  • Annual Rainfall: 34-50 inches
  • Common Soils: Silt loam, Clay loam, Loess

Plant Zone Range (zones 2-11)

2a
11b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 4.28.3

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 Salvia in Missouri

The frost window

Across Missouri, the last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Oct 31 and Nov 7 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 212-day window you can count on — up to 225 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.

When to start the seed

Those dates are when salvia goes out, not when it starts. It is sown under cover about 8 weeks ahead, so counting back from Missouri's late-side last freeze of Apr 2 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.

Winter standing

Salvia overwinters from USDA zone 10 and warmer (NC State Extension Gardener Plant Toolbox; Missouri Botanical Garden Plant Finder), and Missouri runs as cold as zone 5, so it does not survive winter in the ground here. It is a woody plant rather than a crop you resow each spring, so neither a fall establishment date nor a harvest countdown describes it in Missouri — which is why this page gives neither. What it needs here is a way through winter, not a planting date.

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 salvia survives winter here. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Salvia wants 120+ frost-free days; a typical Missouri site sees ~219 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.

Growing degree days

Salvia needs ~1100 GDD (base 50°F) to ripen. The state median runs ~3770 GDD (from PRISM 1991-2020 climate normals), so Missouri'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

Salvia tolerates a wide pH range (pH 4.2-8.3) — 4.1 units, acid ground through alkaline — so soil acidity is rarely what limits it in Missouri. 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 and 6.5 — worth knowing before you decide whether a Missouri soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Missouri site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

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. Missouri soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

What Else to Consider for Salvia in Missouri

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

Highly variable weather with late frosts and early heat

Heavy clay soils in many regions

Ozark soils are thin and rocky

What to actually do about these — and the constraints that apply to every Missouri grower, not just salvia — is covered on the Missouri growing guide.

Timing shifts within Missouri

Salvia needs about 120 days of frost-free season to complete its cycle. Even Crawford County — Missouri’s shortest season at 192 frost-free days — clears that by 72 days, so season length isn’t the constraint anywhere in Missouri. What varies is your own parcel.

Across Missouri’s 115 counties the frost-free season runs from 192 days in Crawford County to 258 days in Pemiscot County — a spread of 66 days, which is why a single statewide planting date misleads. The median Missouri county sees 219 frost-free days, leaving salvia about 99 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"). Salvia'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

Salvia draws honeybees, native bees, butterflies, and hummingbirds (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, salvia can only work that bloom inside Missouri's frost window — roughly 219 days, opening after the last 28°F freeze (Mar 27 - Apr 2) and closing at the first (Oct 31 - Nov 7), per NOAA Regional Climate Centers ACIS, 1991-2020. Deer pressure is meaningful across much of Missouri; salvia is listed as deer-resistant (USDA PLANTS Database), which makes it a safer pick for unfenced sites. Our deer & wildlife guide carries the full deer-resistant list and how to protect the rest.

Missouri Cooperative Extension

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

Is Salvia native to Missouri?

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

Looking for plants that belong here? The Missouri 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 Salvia in Missouri

When can I plant Salvia in Missouri?

Missouri's last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Oct 31 and Nov 7 (NOAA Regional Climate Centers ACIS, 1991-2020). Salvia overwinters only from USDA zone 10 and warmer, and Missouri runs as cold as zone 5, so it does not survive winter in the ground here — the question for Missouri growers is how to carry it through winter under cover, not which week to plant it.

What hardiness zone is Salvia grown in across Missouri?

Missouri spans USDA hardiness zones 5b-8a (USDA ARS PHZM 2023). Salvia carries a range of zones 2-11, so the overlap zones are where outdoor growing is most reliable.

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

A typical Missouri site sees ~219 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Salvia 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 Salvia native to Missouri?

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

How should I amend the soil for Salvia in Missouri?

Salvia tolerates pH 4.2-8.3 and well (dry spells) drainage (FAO ECOCROP). That is a 4.1-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Missouri site — amend for drainage and organic matter first.

Will Salvia actually grow on my specific land in Missouri?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores salvia 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 Missouri

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

Three things about your lot that Missouri salvia averages can't show:

Your soil pHYour frost-free days — Missouri averages 219Your sun & shade

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

25+ data sources read at your address, not the Missouri salvia average

Explore More

Explore Missouri county by county

Missouri carries 115 counties with their own USDA zone — a sample of the growing pages for salvia there:

Where else salvia grows

Salvia's zone band crosses state lines — these are the states closest to Missouri 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 Missouri

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

Last updated: