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When to plant Lavender in Jefferson Davis County County,

Jefferson Davis County County sits in cold Zone 8b. Plant Lavender March 8–March 22 for the single annual harvest; the November 19 first frost closes the window.

When to Plant Lavender in Jefferson Davis County, MS

Lavender
Jefferson Davis County, Mississippi Zone 8b June

Your June game plan for Jefferson Davis County, Mississippi

Your Jefferson Davis County, Mississippi garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost March 8
Avg. first frost November 19
Soil temp (4") 82°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Start harvesting lavender

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

Looking ahead to July
  • First harvests: lavender

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Lavender (Lavandula angustifolia) is a fragrant Mediterranean sub-shrub prized for its silver-gray foliage and intensely aromatic purple flower spikes. A classic companion for roses and an unmatched pollinator magnet, lavender thrives in the exact conditions that challenge many plants: poor, rocky, alkaline soil with excellent drainage and full sun. English lavender is the most cold-hardy species, reliably perennial in Zones 5–9. Fresh or dried flowers are widely used in sachets, essential oils, culinary applications, and dried arrangements.

Jefferson Davis County, Mississippi is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 19, giving you a growing season of approximately 256 days.

At an elevation of 126 feet, Jefferson Davis County receives approximately 59.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Lavender during the growing season. Clay soil retains moisture well for Lavender, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lavender root diseases.

Perennial Blooms in Summer Pollinator-friendly Deer-resistant Good for cutting Fragrant
Jefferson Davis County, MS (Zone 8b) Long season
256 days
Last Spring Frost March 8
256 growing days
First Fall Frost November 19

Jefferson Davis County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.4

Drainage

Well Drained

Lavender Planting Risk Windows

Early Start (70% safe) ✓ Fits season (89 days to spare)
Start indoors: Jan 4 Transplant: Mar 1 🌸 Bloom: May 10 – Aug 16
Recommended (50%) ✓ Fits season (88 days to spare)
Start indoors: Jan 11 Transplant: Mar 8 🌸 Bloom: May 17 – Aug 23
Safe Start (90%) ✓ Fits season (83 days to spare)
Start indoors: Jan 30 Transplant: Mar 27 🌸 Bloom: Jun 5 – Sep 11

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 Jefferson Davis County

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

Soil pH

Your soil pH (5.6–6.4) is more acidic than Lavender prefers (6.5–7.5). Add garden lime to raise pH.

Soil Texture

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

Organic Matter

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

How to Plant Lavender

0.5"
Planting Depth
18"
Between Plants
24"
Between Rows

Lavender Water Budget

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

Monthly Watering Guide for Lavender

Lavender needs approximately 0.3 inches of water per week (1.3" per month). Here's how your county's rainfall compares month by month.

Month Lavender Needs Rainfall You Supplement Action
Jan 5.3" 0" ❄️ Dormant
Feb 5" 0" ❄️ Dormant
Mar 1.3" 6" 0" ✅ Rainfall sufficient
Apr 1.3" 4.1" 0" ✅ Rainfall sufficient
May 1.3" 4.2" 0" ✅ Rainfall sufficient
Jun 1.3" 5" 0" ✅ Rainfall sufficient
Jul 1.3" 5.7" 0" ✅ Rainfall sufficient
Aug 1.3" 6.4" 0" ✅ Rainfall sufficient
Sep 1.3" 4.7" 0" ✅ Rainfall sufficient
Oct 1.3" 3.9" 0" ✅ Rainfall sufficient
Nov 1.3" 3.9" 0" ✅ Rainfall sufficient
Dec 5.1" 0" ❄️ Dormant

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

Lavender 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.

Lavender needs ~2,074 GDD — county provides 5,056 GDD Excellent fit

Lavender Planting Timeline — Jefferson Davis County, MS

Lavender Planting Calendar

Activity When Date Range
Start Indoors January 11 Jan 11 – Jan 25
Transplant Outdoors March 8 Mar 8 – Mar 22
Bloom May 17 May 17 – Aug 23

Plant 0.5" deep · 18" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.3"/week · Natural rainfall sufficient

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 8b

📆 Growing Season

256 days in Jefferson Davis County

Growing Tips for Lavender in Jefferson Davis County

Direct sow Lavender outdoors after March 08 in Jefferson Davis County when soil has warmed and frost danger has passed.

With Jefferson Davis County's clay soil (31% clay), work in 3-4 inches of compost before planting Lavender. Avoid tilling when soil is wet to prevent compaction.

With 59" of annual rainfall in Jefferson Davis County, ensure good drainage for Lavender — excess moisture can promote root rot and fungal diseases.

General growing tips

The single most important requirement for lavender success is excellent drainage — it will rot in heavy clay or wet winter soils before cold alone kills it. Amend with coarse sand or fine gravel if needed; raised beds work well in Zones 5–6. Start from rooted cuttings or transplants rather than seed for named cultivars. Transplant after last frost when soil is reliably warm (55°F+). Avoid rich or overly moist soils. Prune lightly after each flush of bloom, but never cut into old wood below the green growth zone — it will not regenerate from leafless woody stems. In Zones 5–6, mulch lightly with gravel (not bark/organic material which traps moisture) around the crown for winter protection. Year 2+ plants develop into full, mature shrubs with the most prolific bloom.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lavender in Jefferson Davis County, MS?

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

What planting zone is Jefferson Davis County, MS?

Jefferson Davis County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 19.

When should I plant Lavender in Jefferson Davis County County, ?

In Jefferson Davis County County, , plant Lavender after the last frost (around March 8) and before the first frost (around November 19). Best results when soil holds above 50°F.

What growing zone is Jefferson Davis County County, for Lavender?

Jefferson Davis County County sits in USDA Zone 8b. Lavender grows reliably in zones 5a through 9b, so it's a good fit here.

Can Lavender grow in Jefferson Davis County County's climate?

Yes — Lavender grows well in Jefferson Davis County County's temperate climate. Jefferson Davis County County averages a 256-day frost-free season, with last frost around March 8 and first frost around November 19.

🌱

Your Jefferson Davis County Garden Planner — Free

A 22-page printable planner built for Jefferson Davis 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 Jefferson Davis County, MS. 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.