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When to plant Sedum (Stonecrop) in Bibb County, GA

Plant Sedum (Stonecrop) in Bibb County, between March 22 and April 5 — the only viable window. Zone 8b's short season (229 frost-free days) rules out a fall crop.

When to Plant Sedum (Stonecrop) in Bibb County, GA

Bibb County, Georgia Zone 8b June

What to do in June

Welcome to June in Zone 8b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 22
Avg. first frost November 6
Soil temp (4") 82°F
Watering Low
Pest pressure High
Daylight 14.1 hrs
Coming up in July — start thinking about
  • First harvests: sedum (stonecrop)

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Sedum (Hylotelephium spectabile, formerly Sedum spectabile) is a supremely tough, drought-tolerant perennial prized for its late-season interest. The flat-topped clusters of starry flowers open pink in late summer and deepen to copper-red as temperatures cool, remaining attractive well into fall and providing seed heads that feed birds through winter. Succulent foliage emerges blue-green in spring, is handsome all season, and turns bronzy after frost. Remarkably adaptable — thrives in poor, gravelly, or sandy soils where other perennials struggle — and virtually maintenance-free once established.

Bibb County, Georgia is in USDA Zone 8b. The average last spring frost is March 22 and the first fall frost is November 6, giving you a growing season of approximately 229 days.

At an elevation of 218 feet, Bibb County receives approximately 60.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Sedum (Stonecrop) during the growing season. Clay soil retains moisture well for Sedum (Stonecrop), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sedum (Stonecrop) root diseases.

Perennial Blooms in Fall Pollinator-friendly Deer-resistant Good for cutting
Bibb County, GA (Zone 8b) Long season
229 days
Last Spring Frost March 22
229 growing days
First Fall Frost November 6

Bibb County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Sedum (Stonecrop) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (38 days to spare)
Start indoors: Jan 14 Transplant: Mar 11 🌸 Bloom: Jul 1 – Sep 23
Recommended (50%) ✓ Fits season (33 days to spare)
Start indoors: Jan 25 Transplant: Mar 22 🌸 Bloom: Jul 12 – Oct 4
Safe Start (90%) ✓ Fits season (31 days to spare)
Start indoors: Feb 13 Transplant: Apr 10 🌸 Bloom: Jul 31 – Oct 23

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 Bibb County

How your county's soil matches Sedum (Stonecrop)'s growing requirements.

Soil pH

Your soil pH (5.5–6.6) overlaps with Sedum (Stonecrop)'s range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Bibb County is excellent for Sedum (Stonecrop) — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Sedum (Stonecrop) prefers dry conditions but your soil drains poorly. Use raised beds or mounded rows to prevent root rot.

Organic Matter

Organic matter is moderate (2.3%). Annual compost additions will help Sedum (Stonecrop).

How to Plant Sedum (Stonecrop)

1"
Planting Depth
18"
Between Plants
24"
Between Rows

Succession Planting Sedum (Stonecrop)

4
successive plantings in your 229-day season

Sow every 6.9 weeks. Last sowing by Aug 08 to harvest before frost.

Sedum (Stonecrop) Water Budget

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

Monthly Watering Guide for Sedum (Stonecrop)

Sedum (Stonecrop) 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 Sedum (Stonecrop) Needs Rainfall You Supplement Action
Jan 4.9" 0" ❄️ Dormant
Feb 5.3" 0" ❄️ Dormant
Mar 2.2" 6" 0" ✅ Rainfall sufficient
Apr 2.2" 5.1" 0" ✅ Rainfall sufficient
May 2.2" 5.1" 0" ✅ Rainfall sufficient
Jun 2.2" 5.4" 0" ✅ Rainfall sufficient
Jul 2.2" 5.5" 0" ✅ Rainfall sufficient
Aug 2.2" 6.3" 0" ✅ Rainfall sufficient
Sep 2.2" 4.7" 0" ✅ Rainfall sufficient
Oct 2.2" 3.6" 0" ✅ Rainfall sufficient
Nov 2.2" 4.4" 0" ✅ Rainfall sufficient
Dec 4.5" 0" ❄️ Dormant

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

Sedum (Stonecrop) 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.

Sedum (Stonecrop) needs ~1,538 GDD — county provides 4,694 GDD Excellent fit

Sedum (Stonecrop) Planting Timeline — Bibb County, GA

Sedum (Stonecrop) Planting Calendar

Activity When Date Range
Start Indoors January 25 Jan 25 – Feb 8
Transplant Outdoors March 22 Mar 22 – Apr 5
Bloom July 12 Jul 12 – Oct 4

Plant 1" deep · 18" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors
April Transplant Outdoors
May
June
July Bloom
August Bloom
September Bloom
October Bloom
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 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

229 days in Bibb County

Growing Tips for Sedum (Stonecrop) in Bibb County

Direct sow Sedum (Stonecrop) outdoors after March 22 in Bibb County when soil has warmed and frost danger has passed.

With Bibb County's clay soil (33% clay), work in 3-4 inches of compost before planting Sedum (Stonecrop). Avoid tilling when soil is wet to prevent compaction.

General growing tips

Plant divisions or container plants in spring after frost danger passes, or in early fall. Excellent drainage is the primary requirement — upright border sedums will rot in wet, heavy soils over winter. Lean soil actually improves performance; avoid over-fertilizing which causes floppy stems. Tall cultivars (Autumn Joy, Matrona) may need light staking in rich soil. Divide every 3–4 years in spring when centers become sparse. Deadhead selectively — leaving seed heads through winter extends ornamental interest and feeds goldfinches. Very low water requirement once established. Year 2+ plants reach full clump size and peak bloom display.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sedum (Stonecrop) in Bibb County, GA?

Bibb County is in Zone 8b with an average last frost of March 22. Plan your Sedum (Stonecrop) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bibb County, GA?

Bibb County, Georgia is in USDA Hardiness Zone 8b. The average last spring frost is March 22 and first fall frost is November 6.

When should I plant Sedum (Stonecrop) in Bibb County, GA?

In Bibb County, GA, plant Sedum (Stonecrop) after the last frost (around March 22) and before the first frost (around November 6). Best results when soil holds above 50°F.

What growing zone is Bibb County, GA for Sedum (Stonecrop)?

Bibb County sits in USDA Zone 8b. Sedum (Stonecrop) grows reliably in zones 3a through 10b, so it's a good fit here.

Can Sedum (Stonecrop) grow in Bibb County's climate?

Yes — Sedum (Stonecrop) grows well in Bibb County's temperate climate. Bibb County averages a 229-day frost-free season, with last frost around March 22 and first frost around November 6.

🌱

Your Bibb County Garden Planner — Free

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

Sources & credits

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