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When to plant Dill in Ouray County, CO

Plant Dill in Ouray County after June 18; the prime window is June 4–June 25. A second sowing from July 2 to July 16 extends the harvest into fall.

When to Plant Dill in Ouray County, CO

Dill

Dill is a feathery annual herb with aromatic leaves and seeds. Its fine foliage and umbrella-shaped flower heads attract beneficial insects to the garden.

Ouray County, Colorado is in USDA Zone 5b. The average last spring frost is June 18 and the first fall frost is September 10, giving you a growing season of approximately 84 days.

At an elevation of 7,449 feet, Ouray County receives approximately 12.6 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Dill during the growing season. With low rainfall, drip irrigation is essential for growing Dill successfully. Mulch heavily to conserve soil moisture.

Ouray County, CO (Zone 5b) Very short season
84 days
Last Spring Frost June 18
84 growing days
First Fall Frost September 10

Ouray County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Dill Planting Timeline — Ouray County, CO

Dill Planting Calendar

Activity When Date Range
Start Indoors May 14 May 14 – May 28
Transplant Outdoors June 11 Jun 11 – Jun 25
Direct Sow June 4 Jun 4 – Jun 25
Harvest July 23 Jul 23 – Sep 24
Fall Sowing July 2 Jul 2 – Jul 16

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

84 days in Ouray County

Growing Tips for Ouray County

Direct sow in spring as dill has a taproot and dislikes transplanting. Succession sow for continuous leaf harvest. Allow some plants to flower for seeds and to attract beneficial insects.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Dill in Ouray County, CO?

Ouray County is in Zone 5b with an average last frost of June 18. Plan your Dill planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ouray County, CO?

Ouray County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is June 18 and first fall frost is September 10.

When should I plant Dill in Ouray County, CO?

In Ouray County, CO, plant Dill after the last frost (around June 18) and before the first frost (around September 10). Best results when soil holds above 50°F.

What growing zone is Ouray County, CO for Dill?

Ouray County sits in USDA Zone 5b. Dill grows reliably in zones 2a through 11b, so it's a good fit here.

Can Dill grow in Ouray County's climate?

Yes — Dill grows well in Ouray County's temperate climate. Ouray County averages a 84-day frost-free season, with last frost around June 18 and first frost around September 10.

🌱

Your Ouray County Garden Planner — Free

A 22-page printable planner built for Ouray County (Zone 5b). 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 Ouray County, CO. Local conditions may vary. Last updated: July 2026.

Sources & credits

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