Generally — Most Areas
chamomile (zones 2-8) partially overlaps with Maryland (5b-8a). It can grow in zones 5-8 within the state.
Your yard isn't the whole zone.
Chamomile is grown as an annual, so your winter zone isn't the deciding factor — your frost-free window is, and slope, trees, and low spots move the last-frost date across a single yard. Enter your address and we'll score chamomile against your parcel's actual frost dates, sun, and soil.
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Zone Comparison
Chamomile Needs
- USDA Zones: 2-8
- Soil pH: 5 - 7
- Sun: Full Sun
- Drainage: well (dry spells)
- Frost-Free Days: 270+
Maryland Has
- USDA Zones: 5b-8a
- Last Frost: Mar 25 - May 5
- First Frost: Oct 5 - Nov 5
- Annual Rainfall: 36-48 inches
- Common Soils: Silt loam, Clay, Sandy loam (Eastern Shore)
Plant Zone Range (zones 2-8)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Chamomile in Maryland
The frost window
Across Maryland, the last spring frost clears between Mar 25 and May 5, and the first fall frost lands between Oct 5 and Nov 5 (NOAA Climate Normals 1991-2020). Counting from the latest last frost to the earliest first frost, that's a 153-day window you can count on — up to 225 days on a mild site in a kind year.
Frost tenderness
Chamomile is frost-tender — its listed minimum temperature is 42.8°F (USDA PLANTS Database) — so set plants out after the last frost has cleared your local site, not the state's earliest date.
Days to maturity vs. the window
At 70 days to maturity (USDA PLANTS Database), a planting right after last frost ripens with 83 days to spare even in Maryland's tightest frost 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
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Chamomile wants 270+ frost-free days; a typical Maryland site sees ~190 (NOAA Climate Normals). That leaves tight; use transplants and pick early-maturing cultivars.
Growing degree days
Chamomile needs ~1000 GDD (base 50°F) to ripen. The state median runs ~3500 GDD (USDA NRCS county aggregates), so Maryland's typical season clears that easily.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Chamomile likes near-neutral soil (pH 5-7). That's the common-ground band across Maryland's silt loam and clay — a soil test confirms it for your site. Drainage matters: this plant wants well (dry spells). If your Maryland site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. Maryland soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Chamomile in Maryland — Quick Answer
- Verdict: Generally — Most Areas
- Plant Zones: 2-8 (USDA PLANTS Database)
- State Zones: 5b-8a (USDA ARS PHZM 2023)
- Growing Season: Mar 25 - May 5 to Oct 5 - Nov 5 (NOAA Climate Normals)
- Days to Maturity: 70 days
What Else to Consider
Zone compatibility tells you about winter cold survival — but Maryland growers also need to think about:
Heavy Piedmont clay drains poorly
A raised bed today, compost every fall — Piedmont clay becomes an asset once the drainage is yours.
Humidity and heat in summer promote disease
Morning watering at the base, room to breathe between plants, resistant varieties — the humid-summer basics, per your extension.
Deer pressure in suburban areas is extreme
A tall fence is the answer that holds; for everything outside it, lean toward the plants deer reliably skip.
Pollinator + Wildlife Value
Chamomile draws pollinators (moderate value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops.
Maryland Cooperative Extension
For Maryland-specific cultivar recommendations, planting calendars, and pest pressure for chamomile, the canonical source is University of Maryland Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Chamomile in Maryland
When can I plant Chamomile in Maryland?
Maryland's last spring frost clears between Mar 25 and May 5, and the first fall frost lands between Oct 5 and Nov 5 (NOAA Climate Normals 1991-2020). Chamomile is frost-tender — its listed minimum temperature is 42.8°F (USDA PLANTS Database) — so wait until the last frost has cleared your specific site before planting out.
Can Chamomile mature before first frost in Maryland?
Yes — Chamomile matures in 70 days (USDA PLANTS Database), and Maryland's dependable frost-free window runs 153 days (NOAA Climate Normals 1991-2020), leaving 83 days of margin. Plant just after last frost and it ripens ahead of the first fall frost.
What hardiness zone is Chamomile grown in across Maryland?
Maryland spans USDA hardiness zones 5b-8a (USDA ARS PHZM 2023). Chamomile carries a range of zones 2-8, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Maryland site have?
A typical Maryland site sees ~190 frost-free days per year (derived from NOAA Climate Normals 1991-2020). Chamomile needs 270+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
How should I amend the soil for Chamomile in Maryland?
Chamomile prefers pH 5-7 and well (dry spells) drainage (USDA PLANTS Database). That sits in the common-ground band across Maryland soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Chamomile actually grow on my specific land in Maryland?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores chamomile 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 Maryland
State-level data is a sketch. Your Growable Ground report scores chamomile against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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