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When to Plant Epazote in Sampson County, NC

Sampson County, North Carolina Zone 8b May

What to do in May

May is a pivotal month for Sampson County, North Carolina gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 27
Avg. first frost November 6
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 13.8 hrs
  1. Indoor seed-starting week for epazote

    Your window is short. These crops want several weeks of indoor growth before they go outside.

  2. Harvest epazote as they ripen

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

A few tasks this May that'll pay off in June
  • First harvests: epazote

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Epazote is a pungent Mexican herb traditionally cooked with black beans to reduce their gas-causing properties. It has a strong, unique flavor that is an acquired taste.

Sampson County, North Carolina is in USDA Zone 8b. The average last spring frost is March 27 and the first fall frost is November 6, giving you a growing season of approximately 224 days.

At an elevation of 1,127 feet, Sampson County receives approximately 48.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Epazote during the growing season. Clay soil retains moisture well for Epazote, but amend with compost to improve drainage and prevent root rot.

Sampson County, NC (Zone 8b) Long season
224 days
Last Spring Frost March 27
224 growing days
First Fall Frost November 6
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Sampson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (112 days to spare)
Start indoors: Jan 26 Transplant: Mar 30 🍅 Harvest: May 18 – Jul 13
Recommended (50%) ✓ Fits season (105 days to spare)
Start indoors: Feb 6 Transplant: Apr 10 🍅 Harvest: May 29 – Jul 24
Safe Start (90%) ✓ Fits season (95 days to spare)
Start indoors: Mar 1 Transplant: May 3 🍅 Harvest: Jun 21 – Aug 16

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.

Soil Compatibility in Sampson County

How your county's soil matches Epazote's growing requirements.

Soil pH

Your soil pH (5.5–6.3) is more acidic than Epazote prefers (6.0–8.0). Add garden lime to raise pH.

Soil Texture

The clay loam soil in Sampson County is excellent for Epazote — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.5%). Annual compost additions will help Epazote.

How to Plant Epazote

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Epazote

5
successive plantings in your 224-day season

Sow every 5.1 weeks. Last sowing by Sep 07 to harvest before frost.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Epazote

Epazote needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Epazote Needs Rainfall You Supplement Action
Jan 4.1" 0" ❄️ Dormant
Feb 3.9" 0" ❄️ Dormant
Mar 2.2" 4.8" 0" ✅ Rainfall sufficient
Apr 2.2" 3.2" 0" ✅ Rainfall sufficient
May 2.2" 4.4" 0" ✅ Rainfall sufficient
Jun 2.2" 4.1" 0" ✅ Rainfall sufficient
Jul 2.2" 5.2" 0" ✅ Rainfall sufficient
Aug 2.2" 5.2" 0" ✅ Rainfall sufficient
Sep 2.2" 3.4" 0" ✅ Rainfall sufficient
Oct 2.2" 3" 0" ✅ Rainfall sufficient
Nov 2.2" 3.6" 0" ✅ Rainfall sufficient
Dec 3.5" 0" ❄️ Dormant

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

Epazote Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Epazote needs ~998 GDD — county provides 4,256 GDD Excellent fit

Epazote Planting Timeline — Sampson County, NC

Epazote Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow April 3 Apr 3 – Apr 24
Harvest May 29 May 29 – Jul 24

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–8 · Your soil: too_acidic

🗺️ USDA Zone

Zone 8b

📆 Growing Season

224 days in Sampson County

Growing Tips for Epazote in Sampson County

Direct sow Epazote outdoors after March 27 in Sampson County when soil has warmed and frost danger has passed.

With Sampson County's clay soil (30% clay), work in 3-4 inches of compost before planting Epazote. Avoid tilling when soil is wet to prevent compaction.

Your generous 224.0-day season in Sampson County allows multiple plantings of Epazote. Sow every 22.0 days for continuous harvest.

General growing tips

Direct sow after last frost. Epazote grows easily and self-sows aggressively. Use sparingly in cooking as the flavor is very strong. Harvest leaves before flowering for best flavor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Epazote in Sampson County, NC?

Sampson County is in Zone 8b with an average last frost of March 27. Plan your Epazote planting based on this frost date — see the calendar above for exact timing.

What planting zone is Sampson County, NC?

Sampson County, North Carolina is in USDA Hardiness Zone 8b. The average last spring frost is March 27 and first fall frost is November 6.

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Your Sampson County Garden Planner — Free

A 24-page printable planner built for Sampson County (Zone 8b). 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 Sampson County, NC. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.