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

Douglas County sits in cold Zone 8a. Plant Sedum (Stonecrop) March 31–April 14 for the single annual harvest; the November 1 first frost closes the window.

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

Douglas County, Georgia Zone 8a June

This month in Douglas County, Georgia

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

Avg. last frost March 31
Avg. first frost November 1
Soil temp (4") 78°F
Watering Low
Pest pressure High
Daylight 14.2 hrs
Get ahead of July
  • 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.

Douglas County, Georgia is in USDA Zone 8a. The average last spring frost is March 31 and the first fall frost is November 1, giving you a growing season of approximately 215 days.

At an elevation of 171 feet, Douglas County receives approximately 60.8 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
Douglas County, GA (Zone 8a) Long season
215 days
Last Spring Frost March 31
215 growing days
First Fall Frost November 1

Douglas County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.2

Drainage

Well Drained

Sedum (Stonecrop) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (21 days to spare)
Start indoors: Jan 26 Transplant: Mar 23 🌸 Bloom: Jul 13 – Oct 5
Recommended (50%) ✓ Fits season (19 days to spare)
Start indoors: Feb 3 Transplant: Mar 31 🌸 Bloom: Jul 21 – Oct 13
Safe Start (90%) ✓ Fits season (24 days to spare)
Start indoors: Feb 20 Transplant: Apr 17 🌸 Bloom: Aug 7 – Oct 30

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 Douglas County

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

Soil pH

Your soil pH (5.5–6.2) is more acidic than Sedum (Stonecrop) prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.4%). 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 215-day season

Sow every 6.9 weeks. Last sowing by Aug 03 to harvest before frost.

Sedum (Stonecrop) Water Budget

Plant needs
0.5″/week
Rainfall provides
1.2″/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 5.2" 0" ❄️ Dormant
Feb 4.4" 0" ❄️ Dormant
Mar 2.2" 5.4" 0" ✅ Rainfall sufficient
Apr 2.2" 5.1" 0" ✅ Rainfall sufficient
May 2.2" 4.5" 0" ✅ Rainfall sufficient
Jun 2.2" 5.7" 0" ✅ Rainfall sufficient
Jul 2.2" 6.6" 0" ✅ Rainfall sufficient
Aug 2.2" 6.2" 0" ✅ Rainfall sufficient
Sep 2.2" 4.6" 0" ✅ Rainfall sufficient
Oct 2.2" 4" 0" ✅ Rainfall sufficient
Nov 2.2" 4.7" 0" ✅ Rainfall sufficient
Dec 4.5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Douglas 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 4,407 GDD Excellent fit

Sedum (Stonecrop) Planting Timeline — Douglas County, GA

Sedum (Stonecrop) Planting Calendar

Activity When Date Range
Start Indoors February 3 Feb 3 – Feb 17
Transplant Outdoors March 31 Mar 31 – Apr 14
Bloom July 21 Jul 21 – Oct 13

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

Month-by-Month Timeline

MonthActivities
January
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: too_acidic

🗺️ USDA Zone

Zone 8a

📆 Growing Season

215 days in Douglas County

Growing Tips for Sedum (Stonecrop) in Douglas County

Direct sow Sedum (Stonecrop) outdoors after March 31 in Douglas County when soil has warmed and frost danger has passed.

With Douglas County's clay soil (26% 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 Douglas County, GA?

Douglas County is in Zone 8a with an average last frost of March 31. Plan your Sedum (Stonecrop) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Douglas County, GA?

Douglas County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 31 and first fall frost is November 1.

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

In Douglas County, GA, plant Sedum (Stonecrop) after the last frost (around March 31) and before the first frost (around November 1). Best results when soil holds above 50°F.

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

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

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

Yes — Sedum (Stonecrop) grows well in Douglas County's temperate climate. Douglas County averages a 215-day frost-free season, with last frost around March 31 and first frost around November 1.

🌱

Your Douglas County Garden Planner — Free

A 22-page printable planner built for Douglas County (Zone 8a). 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 Douglas County, GA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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