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When to Plant Ranunculus in Ashland County, OH

Ashland County, Ohio Zone 6a July

July in Ashland County, Ohio — your action list

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

Avg. last frost April 27
Avg. first frost October 18
Soil temp (4") 77°F
Watering Low
Pest pressure High
Daylight 14.7 hrs
  1. Pick ranunculus

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Persian ranunculus (Ranunculus asiaticus) produces multi-petaled blooms that rival roses in intricacy and lushness, in a warm palette of reds, oranges, yellows, pinks, and whites. A cornerstone of the specialty cut flower industry, ranunculus produces long, strong stems ideal for bouquets and arrangements. As a cool-season corm, it performs best in the mild shoulder seasons — planted in fall in warm-winter zones, or in early spring where summers arrive quickly. The 'Elegance', 'Amandine', and 'Tecolote' strains are favorites for both home gardens and commercial growers.

Ashland County, Ohio is in USDA Zone 6a. The average last spring frost is April 27 and the first fall frost is October 18, giving you a growing season of approximately 174 days.

At an elevation of 669 feet, Ashland County receives approximately 41.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Ranunculus to ensure they mature before fall.

Bulb Blooms in Spring Pollinator-friendly Good for cutting
Ashland County, OH (Zone 6a) Moderate season
174 days
Last Spring Frost April 27
174 growing days
First Fall Frost October 18

Ashland County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7.3

Drainage

Well Drained

Ranunculus Planting Risk Windows

Early Start (70% safe) ✓ Fits season (102 days to spare)
Start indoors: Mar 12 Transplant: Apr 23 🌸 Bloom: Jun 4 – Jul 2
Recommended (50%) ✓ Fits season (104 days to spare)
Start indoors: Mar 16 Transplant: Apr 27 🌸 Bloom: Jun 8 – Jul 6
Safe Start (90%) ✓ Fits season (101 days to spare)
Start indoors: Apr 1 Transplant: May 13 🌸 Bloom: Jun 24 – Jul 22

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 Ashland County

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

Soil pH

Your soil pH (5.7–7.3) overlaps with Ranunculus's range (6.0–6.5), though not a perfect match.

Soil Texture

The silt loam soil in Ashland County is excellent for Ranunculus — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.2%) — Ranunculus will thrive.

How to Plant Ranunculus

2"
Planting Depth
6"
Between Plants
8"
Between Rows

Ranunculus Water Budget

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

Monthly Watering Guide for Ranunculus

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

Month Ranunculus Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 2.1" 0" ❄️ Dormant
Mar 3.1" 0" ❄️ Dormant
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 4.6" 0" ✅ Rainfall sufficient
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 3.1" 0" ❄️ Dormant
Dec 2.1" 0" ❄️ Dormant

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

Ranunculus 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.

Ranunculus needs ~1,286 GDD — county provides 2,131 GDD Excellent fit

Ranunculus Planting Timeline — Ashland County, OH

Ranunculus Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 – Mar 30
Transplant Outdoors April 27 Apr 27 – May 11
Bloom June 8 Jun 8 – Jul 6

Plant 2" deep · 6" apart · Rows 8" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–6.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

174 days in Ashland County

Growing Tips for Ranunculus in Ashland County

Direct sow Ranunculus outdoors after April 27 in Ashland County when soil has warmed and frost danger has passed.

General growing tips

Pre-soak corms (which look like small octopus tentacles) in cool water for 2–4 hours before planting; do not over-soak. Plant with tentacles pointing downward, 1–2 inches deep and 6 inches apart. Ranunculus demand excellent drainage — they rot in soggy soil. In fall-planting zones (7+), plant October–November and allow to root through mild winter; blooms arrive in March–May. In zones 6, start corms indoors in late winter and transplant out after last frost for a late-spring bloom. Keep soil consistently moist but never waterlogged during growth. After foliage yellows (post-bloom), stop watering, let corms dry, lift them, and store in a cool dry place until replanting. In zones 8b–10b, corms can often be left in ground year-round.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Ranunculus in Ashland County, OH?

Ashland County is in Zone 6a with an average last frost of April 27. Plan your Ranunculus planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ashland County, OH?

Ashland County, Ohio is in USDA Hardiness Zone 6a. The average last spring frost is April 27 and first fall frost is October 18.

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Your Ashland County Garden Planner — Free

A 22-page printable planner built for Ashland County (Zone 6a). 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 Ashland County, OH. 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.