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When to plant Hydrangeas in Leflore County County,

Leflore County County's short 252-day growing season means one Hydrangeas planting between March 1 and March 15. No fall crop in Zone 8b.

When to Plant Hydrangeas in Leflore County, MS

Leflore County, Mississippi Zone 8b June

Top priorities for Leflore County, Mississippi gardeners in June

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

Avg. last frost March 8
Avg. first frost November 15
Soil temp (4") 84°F
Watering Low
Pest pressure High
Daylight 14.2 hrs
  1. It's harvest week for hydrangeas

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

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

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Hydrangeas (Hydrangea spp.) are among the most spectacular summer-blooming shrubs, with large mophead, lacecap, or panicle flower clusters lasting weeks in the garden and drying beautifully for arrangements. Native to Asia and North America alike, the genus spans several garden species with different hardiness and blooming habits. Panicle hydrangeas (H. paniculata, e.g., Limelight) are the most cold-hardy (Zone 3) and most reliable bloomers; smooth hydrangeas (H. arborescens, e.g., Annabelle) are equally tough. Bigleaf hydrangeas (H. macrophylla) are prized for blue/pink color-shifting blooms but require reliable snow cover or winter protection in Zones 5–6. Flower color in macrophylla types is determined by soil pH (acidic = blue, alkaline = pink).

Leflore County, Mississippi is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 15, giving you a growing season of approximately 252 days.

At an elevation of 115 feet, Leflore County receives approximately 58.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Hydrangeas during the growing season. Clay soil retains moisture well for Hydrangeas, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Hydrangeas root diseases.

Perennial Blooms in Summer Pollinator-friendly Good for cutting
Leflore County, MS (Zone 8b) Long season
252 days
Last Spring Frost March 8
252 growing days
First Fall Frost November 15

Leflore County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.4

Drainage

Well Drained

Hydrangeas Planting Risk Windows

Early Start (70% safe) ✓ Fits season (58 days to spare)
Start indoors: Dec 29 Transplant: Feb 23 🌸 Bloom: May 4 – Sep 7
Recommended (50%) ✓ Fits season (63 days to spare)
Start indoors: Jan 4 Transplant: Mar 1 🌸 Bloom: May 10 – Sep 13
Safe Start (90%) ✓ Fits season (59 days to spare)
Start indoors: Jan 22 Transplant: Mar 19 🌸 Bloom: May 28 – Oct 1

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 Leflore County

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

Soil pH

Your soil pH (5.3–6.4) overlaps with Hydrangeas's range (5.5–6.5), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Hydrangeas.

Organic Matter

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

How to Plant Hydrangeas

1"
Planting Depth
48"
Between Plants
60"
Between Rows

Hydrangeas 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 Hydrangeas

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

Month Hydrangeas Needs Rainfall You Supplement Action
Jan 4.3" 0" ❄️ Dormant
Feb 4.7" 0" ❄️ Dormant
Mar 4.3" 6" 0" ✅ Rainfall sufficient
Apr 4.3" 5" 0" ✅ Rainfall sufficient
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 5.6" 0" ✅ Rainfall sufficient
Jul 4.3" 5.8" 0" ✅ Rainfall sufficient
Aug 4.3" 5.2" 0" ✅ Rainfall sufficient
Sep 4.3" 4.8" 0" ✅ Rainfall sufficient
Oct 4.3" 3.8" 0.5" 💧 Light watering
Nov 4.3" 4.2" 0.1" 💧 Light watering
Dec 4.3" 0" ❄️ Dormant

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

Hydrangeas 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.

Hydrangeas needs ~2,460 GDD — county provides 5,166 GDD Excellent fit

Hydrangeas Planting Timeline — Leflore County, MS

Hydrangeas Planting Calendar

Activity When Date Range
Start Indoors January 4 Jan 4 – Jan 18
Transplant Outdoors March 1 Mar 1 – Mar 15
Bloom May 10 May 10 – Sep 13

Plant 1" deep · 48" apart · Rows 60" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

90–150 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

252 days in Leflore County

Growing Tips for Hydrangeas in Leflore County

Direct sow Hydrangeas outdoors after March 08 in Leflore County when soil has warmed and frost danger has passed.

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

General growing tips

Plant container-grown specimens in spring or fall, spacing at least 3–5 feet apart to allow for mature shrub spread. Most hydrangeas prefer morning sun with afternoon shade, especially in Zones 7+. Keep consistently moist — the name derives from the Greek for water vessel. Prune panicle and smooth types in late winter/early spring (they bloom on new wood). Prune bigleaf types only lightly after bloom; cutting stems in fall removes next year's buds. In Zone 5–6, protect bigleaf varieties with burlap or wire cages filled with leaves over winter. Fall planting (Zones 5+) gives excellent root establishment before summer heat. Year 2+ plants reach full size and bloom.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Hydrangeas in Leflore County, MS?

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

What planting zone is Leflore County, MS?

Leflore County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 15.

When should I plant Hydrangeas in Leflore County, ?

In Leflore County, , plant Hydrangeas after the last frost (around March 8) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Leflore County, for Hydrangeas?

Leflore County sits in USDA Zone 8b. Hydrangeas grows reliably in zones 3a through 9a, so it's a good fit here.

Can Hydrangeas grow in Leflore County's climate?

Yes — Hydrangeas grows well in Leflore County's temperate climate. Leflore County averages a 252-day frost-free season, with last frost around March 8 and first frost around November 15.

🌱

Your Leflore County Garden Planner — Free

A 22-page printable planner built for Leflore 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 Leflore 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.