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When to plant Chamomile in Dawson County, MT

Plant Chamomile in Dawson County from May 7 to May 28 in spring. Dawson County sits in USDA Zone 4a, with last frost around May 14 and first frost on September 22. A second sowing from June 30 to July 14 extends the harvest into fall.

When to Plant Chamomile in Dawson County, MT

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.

Dawson County, Montana is in USDA Zone 4a. The average last spring frost is May 14 and the first fall frost is September 22, giving you a growing season of approximately 131 days.

At an elevation of 6,445 feet, Dawson County receives approximately 21.9 inches of rainfall annually with predominantly loam soil. Summer highs average 80°F, so choose short-season varieties of Chamomile to ensure they mature before fall.

Dawson County, MT (Zone 4a) Short season
131 days
Last Spring Frost May 14
131 growing days
First Fall Frost September 22

Dawson County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Chamomile Planting Timeline — Dawson County, MT

Chamomile Planting Calendar

Activity When Date Range
Start Indoors April 2 Apr 2 – Apr 16
Transplant Outdoors May 7 May 7 – May 21
Direct Sow May 7 May 7 – May 28
Harvest July 9 Jul 9 – Sep 17
Fall Sowing June 30 Jun 30 – Jul 14

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 5.6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 4a

📆 Growing Season

131 days in Dawson County

Growing Tips for Dawson 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chamomile in Dawson County, MT?

Dawson County is in Zone 4a with an average last frost of May 14. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dawson County, MT?

Dawson County, Montana is in USDA Hardiness Zone 4a. The average last spring frost is May 14 and first fall frost is September 22.

When should I plant Chamomile in Dawson County, MT?

In Dawson County, MT, plant Chamomile after the last frost (around May 14) and before the first frost (around September 22). Best results when soil holds above 50°F.

What growing zone is Dawson County, MT for Chamomile?

Dawson County sits in USDA Zone 4a. Chamomile grows reliably in zones 3a through 9b, so it's a good fit here.

Can Chamomile grow in Dawson County's climate?

Yes — Chamomile grows well in Dawson County's temperate climate. Dawson County averages a 131-day frost-free season, with last frost around May 14 and first frost around September 22.

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Your Dawson County Garden Planner — Free

A 22-page printable planner built for Dawson County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Dawson County, MT. Local conditions may vary. Last updated: June 2026.

Sources & credits

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