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When to plant Stevia in Calhoun County, AR

For Stevia in Calhoun County, the safe spring window opens around March 29 and closes around April 19. Last expected frost is March 22, first fall frost November 4, giving a 227-day growing season.

When to Plant Stevia in Calhoun County, AR

Calhoun County, Arkansas Zone 8a July

Your July game plan for Calhoun County, Arkansas

If you only do a handful of things in the garden this July, make it these. They're sequenced around your zone's frost timing.

Avg. last frost March 22
Avg. first frost November 4
Soil temp (4") 89°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Pick stevia

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

A few tasks this July that'll pay off in August
  • First harvests: stevia

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Stevia is a subtropical herb whose leaves contain natural sweeteners 200-300 times sweeter than sugar. It is grown as an annual in most climates.

Calhoun County, Arkansas is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 4, giving you a growing season of approximately 227 days.

At an elevation of 1,246 feet, Calhoun County receives approximately 52.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94°F, providing good warmth for Stevia during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Stevia root diseases.

Calhoun County, AR (Zone 8a) Long season
227 days
Last Spring Frost March 22
227 growing days
First Fall Frost November 4

Calhoun County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.9

Drainage

Well Drained

Stevia Planting Risk Windows

Early Start (70% safe) ✓ Fits season (83 days to spare)
Start indoors: Jan 23 Transplant: Mar 27 🍅 Harvest: May 29 – Aug 7
Recommended (50%) ✓ Fits season (80 days to spare)
Start indoors: Feb 1 Transplant: Apr 5 🍅 Harvest: Jun 7 – Aug 16
Safe Start (90%) ✓ Fits season (83 days to spare)
Start indoors: Feb 19 Transplant: Apr 23 🍅 Harvest: Jun 25 – Sep 3

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 Calhoun County

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

Soil pH

Your soil pH (5.3–6.9) is more acidic than Stevia prefers (6.5–7.5). Add garden lime to raise pH.

Soil Texture

The silt loam soil in Calhoun County is excellent for Stevia — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.6%). Annual compost additions will help Stevia.

How to Plant Stevia

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

Succession Planting Stevia

4
successive plantings in your 227-day season

Sow every 6.9 weeks. Last sowing by Aug 06 to harvest before frost.

Stevia Water Budget

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

Monthly Watering Guide for Stevia

Stevia 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 Stevia Needs Rainfall You Supplement Action
Jan 3.8" 0" ❄️ Dormant
Feb 4.6" 0" ❄️ Dormant
Mar 2.2" 5.3" 0" ✅ Rainfall sufficient
Apr 2.2" 3.8" 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" 5.5" 0" ✅ Rainfall sufficient
Sep 2.2" 4.1" 0" ✅ Rainfall sufficient
Oct 2.2" 3.5" 0" ✅ Rainfall sufficient
Nov 2.2" 3.9" 0" ✅ Rainfall sufficient
Dec 4.6" 0" ❄️ Dormant

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

Stevia 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.

Stevia needs ~1,538 GDD — county provides 4,653 GDD Excellent fit

Stevia Planting Timeline — Calhoun County, AR

Stevia Planting Calendar

Activity When Date Range
Start Indoors February 1 Feb 1 – Feb 15
Transplant Outdoors April 5 Apr 5 – Apr 19
Direct Sow March 29 Mar 29 – Apr 19
Harvest June 7 Jun 7 – Aug 16

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 8a

📆 Growing Season

227 days in Calhoun County

Growing Tips for Stevia in Calhoun County

Direct sow Stevia outdoors after March 22 in Calhoun County when soil has warmed and frost danger has passed.

Common pests for Stevia in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors under lights or buy transplants. Pinch flowers to encourage leaf production. Harvest leaves before flowering for maximum sweetness. Dry leaves for year-round use.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Stevia in Calhoun County, AR?

Calhoun County is in Zone 8a with an average last frost of March 22. Plan your Stevia planting based on this frost date — see the calendar above for exact timing.

What planting zone is Calhoun County, AR?

Calhoun County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 4.

When should I plant Stevia in Calhoun County, AR?

In Calhoun County, AR, plant Stevia after the last frost (around March 22) and before the first frost (around November 4). Best results when soil holds above 50°F.

What growing zone is Calhoun County, AR for Stevia?

Calhoun County sits in USDA Zone 8a. Stevia grows reliably in zones 8a through 11b, so it's a good fit here.

Can Stevia grow in Calhoun County's climate?

Yes — Stevia grows well in Calhoun County's temperate climate. Calhoun County averages a 227-day frost-free season, with last frost around March 22 and first frost around November 4.

🌱

Your Calhoun County Garden Planner — Free

A 22-page printable planner built for Calhoun 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 Calhoun County, AR. Local conditions may vary. Last updated: July 2026.

Sources & credits

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