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When to Plant Daylily in Franklin County, TX

Franklin County, Texas Zone 8b July

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

A quick July briefing for Franklin County, Texas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 18
Avg. first frost November 11
Soil temp (4") 91°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Collect daylily at their peak

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

Coming up in August — start thinking about
  • First harvests: daylily

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Hemerocallis (Daylily) is one of the most adaptable and trouble-free perennials in cultivation. Though each flower lasts only a single day, established clumps produce dozens to hundreds of buds per stem, delivering weeks of continuous color through summer. Modern hybrids extend the range from pale cream and melon through deep burgundy and purple. Nearly indestructible once established — tolerating poor soil, drought, competition, and neglect — daylilies form dense spreading clumps that effectively suppress weeds. An excellent low-maintenance choice for slopes, borders, and naturalized areas.

Franklin County, Texas is in USDA Zone 8b. The average last spring frost is March 18 and the first fall frost is November 11, giving you a growing season of approximately 238 days.

At an elevation of 324 feet, Franklin County receives approximately 60 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 97°F, so Daylily may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Daylily will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Daylily root diseases.

Perennial Blooms in Summer Pollinator-friendly Good for cutting
Franklin County, TX (Zone 8b) Long season
238 days
Last Spring Frost March 18
238 growing days
First Fall Frost November 11

Franklin County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.4-6.3

Drainage

Well Drained

Daylily Planting Risk Windows

Early Start (70% safe) ✓ Fits season (15 days to spare)
Start indoors: Jan 11 Transplant: Mar 8 🌸 Bloom: May 17 – Oct 18
Recommended (50%) ✓ Fits season (14 days to spare)
Start indoors: Jan 21 Transplant: Mar 18 🌸 Bloom: May 27 – Oct 28
Safe Start (90%) ✓ Fits season (9 days to spare)
Start indoors: Feb 11 Transplant: Apr 8 🌸 Bloom: Jun 17 – Nov 18

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 Franklin County

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

Soil pH

Your soil pH (5.4–6.3) is more acidic than Daylily prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

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

Drainage

Drainage is adequate for Daylily.

Organic Matter

Organic matter is moderate (2.0%). Annual compost additions will help Daylily.

How to Plant Daylily

1"
Planting Depth
24"
Between Plants
30"
Between Rows

Succession Planting Daylily

4
successive plantings in your 238-day season

Sow every 6.9 weeks. Last sowing by Aug 13 to harvest before frost.

Daylily 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 Daylily

Daylily 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 Daylily Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 2.2" 4.1" 0" ✅ Rainfall sufficient
Apr 2.2" 5.6" 0" ✅ Rainfall sufficient
May 2.2" 7.9" 0" ✅ Rainfall sufficient
Jun 2.2" 9.9" 0" ✅ Rainfall sufficient
Jul 2.2" 8.3" 0" ✅ Rainfall sufficient
Aug 2.2" 7.1" 0" ✅ Rainfall sufficient
Sep 2.2" 6" 0" ✅ Rainfall sufficient
Oct 2.2" 3.9" 0" ✅ Rainfall sufficient
Nov 2.2" 2.3" 0" ✅ Rainfall sufficient
Dec 1.6" 0" ❄️ Dormant

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

Daylily 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.

Daylily needs ~1,706 GDD — county provides 5,414 GDD Excellent fit

Daylily Planting Timeline — Franklin County, TX

Daylily Planting Calendar

Activity When Date Range
Start Indoors January 21 Jan 21 – Feb 4
Transplant Outdoors March 18 Mar 18 – Apr 1
Bloom May 27 May 27 – Oct 28

Plant 1" deep · 24" apart · Rows 30" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors
April Transplant Outdoors
May Bloom
June Bloom
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 8b

📆 Growing Season

238 days in Franklin County

Growing Tips for Daylily in Franklin County

Direct sow Daylily outdoors after March 18 in Franklin County when soil has warmed and frost danger has passed.

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

With summer highs reaching 97°F in Franklin County, provide afternoon shade for Daylily and water deeply in the morning.

General growing tips

Daylilies are most commonly propagated by division rather than seed; cultivar seeds do not come true. Transplant bare-root or potted divisions in early spring or fall, setting crowns no more than 1 inch below soil level. If starting from seed (species types only), start indoors 8–10 weeks before last frost. Established plants are extremely drought-tolerant; moderate water during bloom period improves flower quality. Divide crowded clumps every 3–5 years in early spring or fall to maintain vigor. In warm zones (8+), some cultivars are evergreen; in cold zones, foliage dies back each fall. Year 2+ plants bloom most heavily — first-year transplants may produce limited flowers.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Daylily in Franklin County, TX?

Franklin County is in Zone 8b with an average last frost of March 18. Plan your Daylily planting based on this frost date — see the calendar above for exact timing.

What planting zone is Franklin County, TX?

Franklin County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 18 and first fall frost is November 11.

🌱

Your Franklin County Garden Planner — Free

A 22-page printable planner built for Franklin 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 Franklin 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.