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When to plant Chamomile in Oregon County, MO

In Zone 7a (Oregon County), direct-sow Chamomile between March 18 and April 8 for spring, after the April 1 last-frost mark. A second sowing from August 18 to September 1 extends the harvest into fall.

When to Plant Chamomile in Oregon County, MO

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.

Oregon County, Missouri is in USDA Zone 7a. The average last spring frost is April 1 and the first fall frost is October 27, giving you a growing season of approximately 209 days.

At an elevation of 1,372 feet, Oregon County receives approximately 30.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Chamomile during the growing season.

Oregon County, MO (Zone 7a) Long season
209 days
Last Spring Frost April 1
209 growing days
First Fall Frost October 27

Oregon County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.7

Drainage

Well Drained

Monthly Watering Guide for Chamomile

Chamomile needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Chamomile Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 1.2" 0" ❄️ Dormant
Mar 2.2" 0" ❄️ Dormant
Apr 4.3" 2.8" 1.5" 💧 Light watering
May 4.3" 4.2" 0.1" 💧 Light watering
Jun 4.3" 3.8" 0.5" 💧 Light watering
Jul 4.3" 3.2" 1.1" 💧 Light watering
Aug 4.3" 3.1" 1.2" 💧 Light watering
Sep 4.3" 2.9" 1.4" 💧 Light watering
Oct 4.3" 2.3" 2" 💧 Light watering
Nov 2.1" 0" ❄️ Dormant
Dec 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Oregon County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Chamomile Planting Timeline — Oregon County, MO

Chamomile Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 – Mar 11
Transplant Outdoors March 25 Mar 25 – Apr 8
Direct Sow March 18 Mar 18 – Apr 8
Harvest May 27 May 27 – Aug 5
Fall Sowing August 18 Aug 18 – Sep 1

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing Harvest
September Fall Sowing
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 7a

📆 Growing Season

209 days in Oregon County

Growing Tips for Oregon 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 Oregon County, MO?

Oregon County is in Zone 7a with an average last frost of April 1. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.

What planting zone is Oregon County, MO?

Oregon County, Missouri is in USDA Hardiness Zone 7a. The average last spring frost is April 1 and first fall frost is October 27.

When should I plant Chamomile in Oregon County, MO?

In Oregon County, MO, plant Chamomile after the last frost (around April 1) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Oregon County, MO for Chamomile?

Oregon County sits in USDA Zone 7a. Chamomile grows reliably in zones 3a through 9b, so it's a good fit here.

Can Chamomile grow in Oregon County's climate?

Yes — Chamomile grows well in Oregon County's temperate climate. Oregon County averages a 209-day frost-free season, with last frost around April 1 and first frost around October 27.

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Your Oregon County Garden Planner — Free

A 22-page printable planner built for Oregon County (Zone 7a). 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 Oregon County, MO. Local conditions may vary. Last updated: July 2026.

Sources & credits

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