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When to Plant Sorrel in Catawba County, NC

Catawba County, North Carolina Zone 8a May

Top priorities for Catawba County, North Carolina gardeners in May

A quick May briefing for Catawba County, North Carolina gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 30
Avg. first frost November 1
Soil temp (4") 70°F
Watering Low
Pest pressure Moderate
Daylight 13.9 hrs
  1. Time to start sorrel inside

    These need a head start before your last frost (March 30). Sow into cells now so you're ready to transplant in a few weeks.

  2. Start harvesting sorrel

    If you can't use it all right away, check the food-preservation section of your planner.

June will be here before you know it — start on
  • First harvests: sorrel

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Sorrel is a perennial herb with tangy, lemon-flavored arrow-shaped leaves. It is one of the first greens to emerge in spring and is used in soups and salads.

Catawba County, North Carolina is in USDA Zone 8a. The average last spring frost is March 30 and the first fall frost is November 1, giving you a growing season of approximately 216 days.

At an elevation of 164 feet, Catawba County receives approximately 52 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Sorrel during the growing season. Clay soil retains moisture well for Sorrel, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sorrel root diseases.

Catawba County, NC (Zone 8a) Long season
216 days
Last Spring Frost March 30
216 growing days
First Fall Frost November 1
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Catawba County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (119 days to spare)
Start indoors: Feb 17 Transplant: Mar 17 🍅 Harvest: Apr 28 – Jun 30
Recommended (50%) ✓ Fits season (118 days to spare)
Start indoors: Feb 23 Transplant: Mar 23 🍅 Harvest: May 4 – Jul 6
Safe Start (90%) ✓ Fits season (114 days to spare)
Start indoors: Mar 12 Transplant: Apr 9 🍅 Harvest: May 21 – Jul 23

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 Catawba County

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

Soil pH

Your soil pH (5.6–6.2) is within Sorrel's preferred range (5.5–7.0).

Soil Texture

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

Organic Matter

Organic matter is moderate (2.8%). Annual compost additions will help Sorrel.

How to Plant Sorrel

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

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Sorrel

6
successive plantings in your 216-day season

Sow every 4.6 weeks. Last sowing by Sep 02 to harvest before frost.

For a dedicated fall crop, sow by Aug 23.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/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 Sorrel

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

Month Sorrel Needs Rainfall You Supplement Action
Jan 4.6" 0" ❄️ Dormant
Feb 4.1" 0" ❄️ Dormant
Mar 4.3" 5.6" 0" ✅ Rainfall sufficient
Apr 4.3" 3.8" 0.5" 💧 Light watering
May 4.3" 4.6" 0" ✅ Rainfall sufficient
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 4.3" 4.1" 0.2" 💧 Light watering
Dec 4.4" 0" ❄️ Dormant

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

Sorrel 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.

Sorrel needs ~1,025 GDD — county provides 4,428 GDD Excellent fit

Sorrel Planting Timeline — Catawba County, NC

Sorrel Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 – Mar 9
Transplant Outdoors March 23 Mar 23 – Apr 6
Direct Sow March 16 Mar 16 – Apr 6
Harvest May 4 May 4 – Jul 6
Fall Sowing August 23 Aug 23 – Sep 6

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
September Fall Sowing
October
November
December
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Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 5.5–7 · Your soil: ideal

🗺️ USDA Zone

Zone 8a

📆 Growing Season

216 days in Catawba County

Growing Tips for Sorrel in Catawba County

Direct sow Sorrel outdoors after March 30 in Catawba County when soil has warmed and frost danger has passed.

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

Your generous 216.0-day season in Catawba County allows multiple plantings of Sorrel. Sow every 20.0 days for continuous harvest.

General growing tips

Direct sow in early spring or fall. Remove flower stalks promptly to encourage leaf production. Divide clumps every 3-4 years. Young leaves have the best flavor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sorrel in Catawba County, NC?

Catawba County is in Zone 8a with an average last frost of March 30. Plan your Sorrel planting based on this frost date — see the calendar above for exact timing.

What planting zone is Catawba County, NC?

Catawba County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 30 and first fall frost is November 1.

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Your Catawba County Garden Planner — Free

A 24-page printable planner built for Catawba County (Zone 8a). 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 Catawba 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.