Blog

When to Plant Pansy in Steele County, ND

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.

Steele County, North Dakota is in USDA Zone 4a. The average last spring frost is May 11 and the first fall frost is October 1, giving you a growing season of approximately 143 days.

At an elevation of 624 feet, Steele County receives approximately 21.9 inches of rainfall annually with predominantly loam soil. Summer highs average 80°F, so choose short-season varieties of Pansy to ensure they mature before fall.

Annual Blooms in Spring Pollinator-friendly Good for cutting
Steele County, ND (Zone 4a) Short season
143 days
Last Spring Frost May 11
143 growing days
First Fall Frost October 1

Steele County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Pansy Planting Timeline — Steele County, ND

Pansy Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 – Mar 9
Transplant Outdoors May 11 May 11 – May 25
Bloom July 6 Jul 6 – Aug 24

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 5.4–6.2 · Your soil: N/A

🗺️ USDA Zone

Zone 4a

📆 Growing Season

143 days in Steele County

Growing Tips for Steele County

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 Steele County, ND?

Steele County is in Zone 4a with an average last frost of May 11. Plan your Pansy planting based on this frost date — see the calendar above for exact timing.

What planting zone is Steele County, ND?

Steele County, North Dakota is in USDA Hardiness Zone 4a. The average last spring frost is May 11 and first fall frost is October 1.

🌱

Your Steele County Garden Planner — Free

A 22-page printable planner built for Steele County (Zone 4a). 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 Steele County, ND. 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.