Blog

When to Plant Pansy in Cass County, TX

Cass County, Texas Zone 8b July

Cass County, Texas gardeners: here's your July plan

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

Avg. last frost March 14
Avg. first frost November 16
Soil temp (4") 90°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Bring in the pansy

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

A few tasks this July that'll pay off in August
  • First harvests: pansy

Instant PDF download. No spam, unsubscribe any time.

Pansies (Viola × wittrockiana) are beloved cool-season annuals offering some of the widest color range in the annual garden. Their cheerful "faces" appear in early spring — or even late winter in mild climates — and hold up remarkably well through frosts. Heat causes them to go leggy and stop blooming; replace with warm-season annuals once daytime temps exceed 70°F.

Cass County, Texas is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 16, giving you a growing season of approximately 247 days.

At an elevation of 392 feet, Cass County receives approximately 71.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 94°F, providing good warmth for Pansy during the growing season. Sandy soil warms quickly in spring — great for early planting — but Pansy will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Pansy root diseases.

Annual Blooms in Spring Pollinator-friendly Good for cutting
Cass County, TX (Zone 8b) Long season
247 days
Last Spring Frost March 14
247 growing days
First Fall Frost November 16

Cass County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Pansy Planting Risk Windows

Early Start (70% safe) ✓ Fits season (101 days to spare)
Start indoors: Dec 26 Transplant: Feb 13 🌸 Bloom: Apr 10 – Jul 31
Recommended (50%) ✓ Fits season (100 days to spare)
Start indoors: Jan 3 Transplant: Feb 21 🌸 Bloom: Apr 18 – Aug 8
Safe Start (90%) ✓ Fits season (92 days to spare)
Start indoors: Jan 25 Transplant: Mar 15 🌸 Bloom: May 10 – Aug 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 Cass County

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

Soil pH

Your soil pH (5.6–6.7) overlaps with Pansy's range (5.4–6.2), though not a perfect match.

Soil Texture

Sandy soil in Cass County warms quickly in spring but drains fast. Pansy will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Pansy.

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting Pansy.

How to Plant Pansy

0.3"
Planting Depth
7"
Between Plants
10"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Pansy

4
successive plantings in your 247-day season

Sow every 8 weeks. Last sowing by Aug 18 to harvest before frost.

For a dedicated fall crop, sow by Sep 07.

Pansy Water Budget

Plant needs
1.0″/week
Rainfall provides
1.2″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 178 gal / 100 sq ft

Monthly Watering Guide for Pansy

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

Month Pansy Needs Rainfall You Supplement Action
Jan 2" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 6.6" 0" ✅ Rainfall sufficient
May 4.3" 11.3" 0" ✅ Rainfall sufficient
Jun 4.3" 12.4" 0" ✅ Rainfall sufficient
Jul 4.3" 8.9" 0" ✅ Rainfall sufficient
Aug 4.3" 8.7" 0" ✅ Rainfall sufficient
Sep 4.3" 6.7" 0" ✅ Rainfall sufficient
Oct 4.3" 4.3" 0" ✅ Rainfall sufficient
Nov 4.3" 2.4" 1.9" 💧 Light watering
Dec 1.7" 0" ❄️ Dormant

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

Pansy 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.

Pansy needs ~1,640 GDD — county provides 5,063 GDD Excellent fit

Pansy Planting Timeline — Cass County, TX

Pansy Planting Calendar

Activity When Date Range
Start Indoors January 3 Jan 3 – Jan 17
Transplant Outdoors February 21 Feb 21 – Mar 7
Bloom April 18 Apr 18 – Aug 8
Fall Sowing September 7 Sep 7 – Sep 21

Plant 0.3" deep · 7" apart · Rows 10" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 5.4–6.2 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

247 days in Cass County

Growing Tips for Pansy in Cass County

Direct sow Pansy outdoors after March 14 in Cass County when soil has warmed and frost danger has passed.

Sandy soil in Cass County dries quickly — mulch Pansy with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

General growing tips

Start indoors 10-12 weeks before last frost for spring transplants. In zones 6+, fall planting (8-10 weeks before first frost) gives overwintering plants that bloom earliest in spring. Plant in full sun in cool weather; afternoon shade helps extend bloom in zones 7-8. Deadhead to prevent premature seed set. Shear back by one-third when plants go leggy to extend the season.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pansy in Cass County, TX?

Cass County is in Zone 8b with an average last frost of March 14. Plan your Pansy planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cass County, TX?

Cass County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 16.

🌱

Your Cass County Garden Planner — Free

A 22-page printable planner built for Cass 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Cass County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.