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When to plant Geraniums in Clarke County, MS

Clarke County's 242-day season only supports one Geraniums planting per year. Sow between March 1 and March 15 for the best chance at full maturity before November 12.

When to Plant Geraniums in Clarke County, MS

Geraniums (Pelargonium × hortorum) are tender perennials grown as warm-season annuals throughout North America. Prized for their bold flower clusters, long bloom period, and tolerance of summer heat when planted in well-drained soil, they anchor window boxes, containers, and bed borders from late spring until hard frost. Zones 9b–11b can overwinter plants in the ground.

Clarke County, Mississippi is in USDA Zone 8b. The average last spring frost is March 15 and the first fall frost is November 12, giving you a growing season of approximately 242 days.

At an elevation of 252 feet, Clarke County receives approximately 56.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Geraniums during the growing season. Clay soil retains moisture well for Geraniums, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Geraniums root diseases.

Annual Blooms in Multi-season Pollinator-friendly Deer-resistant Good for cutting Fragrant
Clarke County, MS (Zone 8b) Long season
242 days
Last Spring Frost March 15
242 growing days
First Fall Frost November 12

Clarke County Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Geraniums Planting Timeline — Clarke County, MS

Geraniums 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 – Oct 11

Plant 0.1" deep · 12" apart · Rows 14" 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 Bloom
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

242 days in Clarke County

Growing Tips for Clarke County

Start seeds indoors 10–12 weeks before last frost — germination is slow and erratic without bottom heat (70–75°F). Transplant after frost danger passes. Geraniums rarely direct-sown; cuttings or transplants are the standard. Deadhead spent umbels weekly to maintain continuous bloom. Let soil dry slightly between waterings to prevent root rot. In zones 10–11 plants may be left in ground year-round or overwintered as houseplants.

Companion Planting

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Frequently Asked Questions

When should I plant Geraniums in Clarke County, MS?

Clarke County is in Zone 8b with an average last frost of March 15. Plan your Geraniums planting based on this frost date — see the calendar above for exact timing.

What planting zone is Clarke County, MS?

Clarke County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 15 and first fall frost is November 12.

When should I plant Geraniums in Clarke County, MS?

In Clarke County, MS, plant Geraniums after the last frost (around March 15) and before the first frost (around November 12). Best results when soil holds above 50°F.

What growing zone is Clarke County, MS for Geraniums?

Clarke County sits in USDA Zone 8b. Geraniums grows reliably in zones 2a through 11b, so it's a good fit here.

Can Geraniums grow in Clarke County's climate?

Yes — Geraniums grows well in Clarke County's temperate climate. Clarke County averages a 242-day frost-free season, with last frost around March 15 and first frost around November 12.

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Your Clarke County Garden Planner — Free

A 22-page printable planner built for Clarke 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 Clarke County, MS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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