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When to plant Chamomile in Rice County, MN

In Rice County, plant Chamomile in spring between April 23 and May 14, once soil temps hold above 50°F. Rice County's last frost averages April 30, so be cautious and check the 10-day forecast before planting tender crops. For a fall crop, sow between July 15 and July 29 — roughly 60–90 days before the first frost on October 7.

When to Plant Chamomile in Rice County, MN

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.

Rice County, Minnesota is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 7, giving you a growing season of approximately 160 days.

At an elevation of 873 feet, Rice County receives approximately 36.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Chamomile to ensure they mature before fall.

Rice County, MN (Zone 4b) Moderate season
160 days
Last Spring Frost April 30
160 growing days
First Fall Frost October 7

Rice County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.1

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 1.8" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.7" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 4.1" 0.2" 💧 Light watering
Aug 4.3" 4" 0.3" 💧 Light watering
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.2" 1.1" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 2.3" 0" ❄️ Dormant

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

Chamomile Planting Timeline — Rice County, MN

Chamomile Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors April 23 Apr 23 – May 7
Direct Sow April 23 Apr 23 – May 14
Harvest June 25 Jun 25 – Sep 3
Fall Sowing July 15 Jul 15 – Jul 29

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
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 4b

📆 Growing Season

160 days in Rice County

Growing Tips for Rice 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 Rice County, MN?

Rice County is in Zone 4b with an average last frost of April 30. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rice County, MN?

Rice County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 7.

When should I plant Chamomile in Rice County, MN?

In Rice County, MN, plant Chamomile after the last frost (around April 30) and before the first frost (around October 7). Best results when soil holds above 50°F.

What growing zone is Rice County, MN for Chamomile?

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

Can Chamomile grow in Rice County's climate?

Yes — Chamomile grows well in Rice County's temperate climate. Rice County averages a 160-day frost-free season, with last frost around April 30 and first frost around October 7.

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Your Rice County Garden Planner — Free

A 22-page printable planner built for Rice County (Zone 4b). 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 Rice County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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