Yes — Strong Match
annual scabiosa (zones 4-11) covers every zone Louisiana contains (8b-10b), so hardiness is not what limits it anywhere in the state.
Your yard isn't the whole zone.
Louisiana spans zones 8b-10b, but your yard has its own microclimate — slope, trees, and low spots shift frost and sun across a single parcel. Enter your address and we'll score annual scabiosa against your land's actual soil, sun, and frost.
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Zone Comparison
Annual Scabiosa Needs
- USDA Zones: 4-11
- Sun: Full Sun
- Mature size: 2.5 ft tall
- Drought tolerance: Medium
Louisiana Has
- USDA Zones: 8b-10b
- Last Hard Freeze (28°F): Jan 30 - Feb 17
- First Hard Freeze (28°F): Nov 30 - Dec 8
- Annual Rainfall: 50-65 inches
- Common Soils: Alluvial clay, Muck, Sandy loam
Plant Zone Range (zones 4-11)
Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Annual Scabiosa in Louisiana
The frost window
Across Louisiana, the last spring hard freeze (28°F) clears between Jan 30 and Feb 17, and the first fall hard freeze lands between Nov 30 and Dec 8 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 286-day window you can count on — up to 312 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.
Days to maturity vs. the window
At 85 days to maturity (USDA PLANTS Database), counting from the last hard freeze it ripens with 201 days to spare even in Louisiana's tightest freeze scenario — room for a later start or a second sowing.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. 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 scabiosa survives winter here. Whether the season is long enough — and warm enough — is a different question.
Days to maturity
Annual Scabiosa matures in ~85 days (Growable Ground Plant Database). A typical Louisiana site has ~298 frost-free days, so plenty of room for a second succession.
Growing degree days
Annual Scabiosa needs ~1200 GDD (base 50°F) to ripen. The state median runs ~6204 GDD (from PRISM 1991-2020 climate normals), so Louisiana'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.
Annual Scabiosa in Louisiana — Quick Answer
- Verdict: Yes — Strong Match
- Plant Zones: 4-11 (USDA PLANTS Database)
- State Zones: 8b-10b (USDA ARS PHZM 2023)
- Growing Season: 28°F hard freezes about Jan 30 - Feb 17 to Nov 30 - Dec 8 (NOAA Regional Climate Centers ACIS, 1991-2020)
- Days to Maturity: 85 days
What Else to Consider for Annual Scabiosa in Louisiana
Zone compatibility tells you about winter cold survival — but Louisiana growers also need to think about:
Extreme humidity and rainfall promote rot and fungal diseases
Poor drainage in delta and coastal areas
Hurricane damage risk from June through November
What to actually do about these — and the constraints that apply to every Louisiana grower, not just annual scabiosa — is covered on the Louisiana growing guide.
Timing shifts within Louisiana
Annual Scabiosa needs about 85 days of frost-free season from planting to harvest. Even Claiborne County — Louisiana’s shortest season at 265 frost-free days — clears that by 180 days, so season length isn’t the constraint anywhere in Louisiana. What varies is your own parcel.
Across Louisiana’s 64 counties the frost-free season runs from 265 days in Claiborne County to 365 days in Plaquemines County — a spread of 100 days, which is why a single statewide planting date misleads. The median Louisiana county sees 298 frost-free days, leaving annual scabiosa about 213 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 Scabiosa's 85-day requirement: USDA PLANTS / Growable Ground plant database (days to maturity). A parcel report resolves your address's own frost dates.
Where in Louisiana Fits Best
Even within Louisiana's zones 8b-10b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for annual scabiosa (USDA PHZM 2023):
Pollinator + Wildlife Value
Annual Scabiosa draws honeybees, native bees, and butterflies (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, annual scabiosa can only work that bloom inside Louisiana's frost window — roughly 298 days, opening after the last 28°F freeze (Jan 30 - Feb 17) and closing at the first (Nov 30 - Dec 8), per NOAA Regional Climate Centers ACIS, 1991-2020.
Louisiana Cooperative Extension
For Louisiana-specific cultivar recommendations, planting calendars, and pest pressure for annual scabiosa, the canonical source is LSU AgCenter. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Annual Scabiosa in Louisiana
When can I plant Annual Scabiosa in Louisiana?
Louisiana's last spring hard freeze (28°F) clears between Jan 30 and Feb 17, and the first fall hard freeze lands between Nov 30 and Dec 8 (NOAA Regional Climate Centers ACIS, 1991-2020). Time outdoor planting to after the last hard freeze for your specific site — a further two to three weeks for anything tender — and count back from those dates for transplant scheduling.
Can Annual Scabiosa mature before first frost in Louisiana?
Yes — Annual Scabiosa matures in 85 days (USDA PLANTS Database), and Louisiana's dependable hard-freeze-free window runs 286 days (NOAA Regional Climate Centers ACIS, 1991-2020), leaving 201 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 Scabiosa grown in across Louisiana?
Louisiana spans USDA hardiness zones 8b-10b (USDA ARS PHZM 2023). Annual Scabiosa carries a range of zones 4-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Louisiana site have?
A typical Louisiana site sees ~298 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Annual Scabiosa should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Will Annual Scabiosa actually grow on my specific land in Louisiana?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores annual scabiosa against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Louisiana
State-level data is a sketch. Your Growable Ground report scores annual scabiosa against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Louisiana annual scabiosa averages can't show:
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Growing guides for annual scabiosa
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