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When to plant Comfrey in Moniteau County County,

Plant Comfrey in Moniteau County County, between April 16 and April 30 — the only viable window. Zone 6b's short season (201 frost-free days) rules out a fall crop.

When to Plant Comfrey in Moniteau County, MO

Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.

Moniteau County, Missouri is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is October 27, giving you a growing season of approximately 201 days.

At an elevation of 722 feet, Moniteau County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Comfrey during the growing season.

Moniteau County, MO (Zone 6b) Long season
201 days
Last Spring Frost April 9
201 growing days
First Fall Frost October 27

Moniteau County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-7

Drainage

Well Drained

Monthly Watering Guide for Comfrey

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

Month Comfrey Needs Rainfall You Supplement Action
Jan 1.8" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4.2" 0.1" 💧 Light watering
Jun 4.3" 4.7" 0" ✅ Rainfall sufficient
Jul 4.3" 4.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5" 0" ✅ Rainfall sufficient
Sep 4.3" 3.4" 0.9" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 2.7" 0" ❄️ Dormant
Dec 2.5" 0" ❄️ Dormant

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

Comfrey Planting Timeline — Moniteau County, MO

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors April 16 Apr 16 – Apr 30
Harvest June 18 Jun 18 – Aug 27

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May
June Harvest
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

201 days in Moniteau County

Growing Tips for Moniteau County

Plant root cuttings 2 inches deep. Choose Bocking 14 variety to prevent self-seeding. Cut leaves 3-4 times per season for mulch or compost. Avoid planting near pathways as it spreads.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Comfrey in Moniteau County, MO?

Moniteau County is in Zone 6b with an average last frost of April 9. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Moniteau County, MO?

Moniteau County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 9 and first fall frost is October 27.

When should I plant Comfrey in Moniteau County County, ?

In Moniteau County County, , plant Comfrey after the last frost (around April 9) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Moniteau County County, for Comfrey?

Moniteau County County sits in USDA Zone 6b. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.

Can Comfrey grow in Moniteau County County's climate?

Yes — Comfrey grows well in Moniteau County County's temperate climate. Moniteau County County averages a 201-day frost-free season, with last frost around April 9 and first frost around October 27.

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Your Moniteau County Garden Planner — Free

A 22-page printable planner built for Moniteau County (Zone 6b). 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 Moniteau County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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