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When to plant Savory in St. Clair County County,

St. Clair County County's short 214-day growing season means one Savory planting between April 9 and April 23. No fall crop in Zone 7a.

When to Plant Savory in St. Clair County, IL

St. Clair County, Illinois Zone 7a June

Your June planting checklist for St. Clair County, Illinois

June is a pivotal month for St. Clair County, Illinois gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost April 2
Avg. first frost November 2
Soil temp (4") 73°F
Watering Low
Pest pressure High
Daylight 14.7 hrs
  1. Bring in the savory

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

To set up a strong July, finish these tasks
  • First harvests: savory

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Summer savory is an annual herb with a peppery, thyme-like flavor that pairs especially well with beans. Winter savory is a perennial with a stronger flavor.

St. Clair County, Illinois is in USDA Zone 7a. The average last spring frost is April 2 and the first fall frost is November 2, giving you a growing season of approximately 214 days.

At an elevation of 711 feet, St. Clair County receives approximately 34.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Savory during the growing season.

St. Clair County, IL (Zone 7a) Long season
214 days
Last Spring Frost April 2
214 growing days
First Fall Frost November 2

St. Clair County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.3

Drainage

Well Drained

Savory Planting Risk Windows

Early Start (70% safe) ✓ Fits season (97 days to spare)
Transplant: Apr 2 🍅 Harvest: May 28 – Jul 23
Recommended (50%) ✓ Fits season (95 days to spare)
Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 30
Safe Start (90%) ✓ Fits season (101 days to spare)
Transplant: Apr 24 🍅 Harvest: Jun 19 – Aug 14

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 St. Clair County

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

Soil pH

Your soil pH (6.0–7.3) overlaps with Savory's range (6.5–7.5), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is excellent (5.1%) — Savory will thrive.

How to Plant Savory

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

Succession Planting Savory

5
successive plantings in your 214-day season

Sow every 5.7 weeks. Last sowing by Aug 24 to harvest before frost.

Savory Water Budget

Plant needs
0.5″/week
Rainfall provides
0.7″/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 Savory

Savory 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 Savory Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 2.2" 3.2" 0" ✅ Rainfall sufficient
May 2.2" 3.8" 0" ✅ Rainfall sufficient
Jun 2.2" 4" 0" ✅ Rainfall sufficient
Jul 2.2" 3.8" 0" ✅ Rainfall sufficient
Aug 2.2" 3.9" 0" ✅ Rainfall sufficient
Sep 2.2" 3.3" 0" ✅ Rainfall sufficient
Oct 2.2" 2.5" 0" ✅ Rainfall sufficient
Nov 2.2" 2.4" 0" ✅ Rainfall sufficient
Dec 1.8" 0" ❄️ Dormant

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

Savory 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.

Savory needs ~1,005 GDD — county provides 3,584 GDD Excellent fit

Savory Planting Timeline — St. Clair County, IL

Savory Planting Calendar

Activity When Date Range
Transplant Outdoors April 9 Apr 9 – Apr 23
Harvest June 4 Jun 4 – Jul 30

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
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

50–70 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

214 days in St. Clair County

Growing Tips for Savory in St. Clair County

Direct sow Savory outdoors after April 02 in St. Clair County when soil has warmed and frost danger has passed.

General growing tips

Direct sow summer savory after last frost. Plant winter savory from divisions or cuttings. Harvest stems before flowering for best flavor. Use fresh or dried.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Savory in St. Clair County, IL?

St. Clair County is in Zone 7a with an average last frost of April 2. Plan your Savory planting based on this frost date — see the calendar above for exact timing.

What planting zone is St. Clair County, IL?

St. Clair County, Illinois is in USDA Hardiness Zone 7a. The average last spring frost is April 2 and first fall frost is November 2.

When should I plant Savory in St. Clair County, ?

In St. Clair County, , plant Savory after the last frost (around April 2) and before the first frost (around November 2). Best results when soil holds above 50°F.

What growing zone is St. Clair County, for Savory?

St. Clair County sits in USDA Zone 7a. Savory grows reliably in zones 4a through 10b, so it's a good fit here.

Can Savory grow in St. Clair County's climate?

Yes — Savory grows well in St. Clair County's temperate climate. St. Clair County averages a 214-day frost-free season, with last frost around April 2 and first frost around November 2.

🌱

Your St. Clair County Garden Planner — Free

A 22-page printable planner built for St. Clair County (Zone 7a). 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 St. Clair County, IL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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