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When to Plant Chamomile in Worcester County, MD

Chamomile is a daisy-like herb famous for its calming, apple-scented tea. German chamomile is an annual while Roman chamomile is a perennial ground cover.

Worcester County, Maryland is in USDA Zone 7b. The average last spring frost is April 12 and the first fall frost is October 30, giving you a growing season of approximately 201 days.

At an elevation of 633 feet, Worcester County receives approximately 41.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Chamomile during the growing season.

Worcester County, MD (Zone 7b) Long season
201 days
Last Spring Frost April 12
201 growing days
First Fall Frost October 30

Worcester County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (75 days to spare)
Start indoors: Mar 1 Transplant: Mar 29 🍅 Harvest: May 31 – Aug 9
Recommended (50%) ✓ Fits season (75 days to spare)
Start indoors: Mar 8 Transplant: Apr 5 🍅 Harvest: Jun 7 – Aug 16
Safe Start (90%) ✓ Fits season (72 days to spare)
Start indoors: Mar 25 Transplant: Apr 22 🍅 Harvest: Jun 24 – Sep 2

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Chamomile needs ~1,369 GDD — county provides 3,668 GDD Excellent fit

Chamomile Planting Timeline โ€” Worcester County, MD

Chamomile Planting Calendar

Activity When Date Range
Start Indoors March 8 Mar 8 โ€“ Mar 22
Transplant Outdoors April 5 Apr 5 โ€“ Apr 19
Direct Sow March 29 Mar 29 โ€“ Apr 19
Fall Sowing August 21 Aug 21 โ€“ Sep 4
Harvest June 7 Jun 7 โ€“ Aug 16

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August Fall Sowing Harvest
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

5.6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

201 days

Growing Tips for Worcester County

Direct sow on the soil surface as seeds need light. Harvest flowers when petals begin to curl back. Chamomile self-sows freely and improves the health of nearby plants.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Chamomile in Worcester County, MD?

Worcester County is in Zone 7b with an average last frost of April 12. Plan your Chamomile planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Worcester County, MD?

Worcester County, Maryland is in USDA Hardiness Zone 7b. The average last spring frost is April 12 and first fall frost is October 30.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Worcester County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Worcester County, MD. Local conditions may vary. Last updated: April 2026.