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When to Plant Sedum (Stonecrop) in Hardin County, TX

Hardin County, Texas Zone 9a June

June to-do list for Hardin County, Texas

If you only do a handful of things in the garden this June, make it these. They're sequenced around your zone's frost timing.

Avg. last frost February 14
Avg. first frost December 4
Soil temp (4") 84°F
Watering Low
Pest pressure High
Daylight 13.9 hrs
  1. Pick sedum (stonecrop)

    If you can't use it all right away, check the food-preservation section of your planner.

July prep starts now
  • 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.

Hardin County, Texas is in USDA Zone 9a. The average last spring frost is February 14 and the first fall frost is December 4, giving you a growing season of approximately 293 days.

At an elevation of 323 feet, Hardin County receives approximately 66.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 90°F, providing good warmth for Sedum (Stonecrop) during the growing season. Sandy soil warms quickly in spring — great for early planting — but Sedum (Stonecrop) will need more frequent watering and organic matter to retain nutrients. 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
Hardin County, TX (Zone 9a) Year-round
293 days
Last Spring Frost February 14
293 growing days
First Fall Frost December 4

Hardin County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Sedum (Stonecrop) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (131 days to spare)
Start indoors: Dec 7 Transplant: Jan 18 🌸 Bloom: May 10 – Jul 19
Recommended (50%) ✓ Fits season (125 days to spare)
Start indoors: Dec 20 Transplant: Jan 31 🌸 Bloom: May 23 – Aug 1
Safe Start (90%) ✓ Fits season (120 days to spare)
Start indoors: Jan 9 Transplant: Feb 20 🌸 Bloom: Jun 12 – Aug 21

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 Hardin County

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

Soil pH

Your soil pH (5.3–6.7) overlaps with Sedum (Stonecrop)'s range (6.0–7.0), though not a perfect match.

Soil Texture

Sandy soil in Hardin County warms quickly in spring but drains fast. Sedum (Stonecrop) will need more frequent watering and regular compost additions to retain nutrients.

Organic Matter

Organic matter is low (1.7%). Add 2-3 inches of compost before planting Sedum (Stonecrop).

How to Plant Sedum (Stonecrop)

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

Succession Planting Sedum (Stonecrop)

5
successive plantings in your 293-day season

Sow every 6.9 weeks. Last sowing by Sep 05 to harvest before frost.

Sedum (Stonecrop) Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/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 1.5" 0" ❄️ Dormant
Feb 2.2" 2" 0.2" 💧 Light watering
Mar 2.2" 3.7" 0" ✅ Rainfall sufficient
Apr 2.2" 7.7" 0" ✅ Rainfall sufficient
May 2.2" 10.4" 0" ✅ Rainfall sufficient
Jun 2.2" 11.2" 0" ✅ Rainfall sufficient
Jul 2.2" 9.5" 0" ✅ Rainfall sufficient
Aug 2.2" 7.2" 0" ✅ Rainfall sufficient
Sep 2.2" 5.6" 0" ✅ Rainfall sufficient
Oct 2.2" 4.1" 0" ✅ Rainfall sufficient
Nov 2.2" 1.9" 0.3" 💧 Light watering
Dec 2.2" 1.6" 0.6" 💧 Light watering

Water needs are for active growing months only (Feb–Dec in Hardin 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 ~1,312 GDD — county provides 5,145 GDD Excellent fit

Sedum (Stonecrop) Planting Timeline — Hardin County, TX

Sedum (Stonecrop) Planting Calendar

Activity When Date Range
Start Indoors December 20 Dec 20 – Jan 3
Transplant Outdoors January 31 Jan 31 – Feb 14
Bloom May 23 May 23 – Aug 1

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

Month-by-Month Timeline

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

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 9a

📆 Growing Season

293 days in Hardin County

Growing Tips for Sedum (Stonecrop) in Hardin County

Direct sow Sedum (Stonecrop) outdoors after February 14 in Hardin County when soil has warmed and frost danger has passed.

Sandy soil in Hardin County dries quickly — mulch Sedum (Stonecrop) with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

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 Hardin County, TX?

Hardin County is in Zone 9a with an average last frost of February 14. Plan your Sedum (Stonecrop) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hardin County, TX?

Hardin County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 14 and first fall frost is December 4.

🌱

Your Hardin County Garden Planner — Free

A 22-page printable planner built for Hardin County (Zone 9a). 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 Hardin County, TX. 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.