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When to plant Daffodils in Conejos County, CO

Conejos County gardeners should plant Daffodils between mid-spring and late spring in spring. With Conejos County's Zone 5a climate (last frost June 9), Daffodils needs 20–40 days to mature — plant by August 8 for a full harvest. A second sowing from August 6 to August 20 extends the harvest into fall.

When to Plant Daffodils in Conejos County, CO

Daffodils (Narcissus spp.) are among the most dependable and longest-lived of all spring bulbs. Their cheerful yellow and white blooms emerge in early spring, often while frost is still possible, bringing color weeks before most other flowers. Unlike tulips, established clumps naturalize readily — spreading and returning reliably year after year without replanting. Deer and rodents avoid them due to toxic alkaloids in the bulb and sap, making them a low-maintenance choice for naturalized areas, woodland edges, and mixed borders.

Conejos County, Colorado is in USDA Zone 5a. The average last spring frost is June 9 and the first fall frost is September 17, giving you a growing season of approximately 100 days.

At an elevation of 6,770 feet, Conejos County receives approximately 24.1 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Daffodils to ensure they mature before fall.

Bulb Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting Fragrant
Conejos County, CO (Zone 5a) Short season
100 days
Last Spring Frost June 9
100 growing days
First Fall Frost September 17

Conejos County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Daffodils Planting Timeline — Conejos County, CO

Daffodils Planting Calendar

Activity When Date Range
Bloom June 25 Jun 25 – Jul 16
Fall Sowing August 6 Aug 6 – Aug 20

Plant 7" deep · 7" apart · Rows 8" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

20–40 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

100 days in Conejos County

Growing Tips for Conejos County

Plant bulbs pointed-end up in fall, 6–8 inches deep and 6–8 inches apart in well-drained soil. Allow 12–16 weeks of cold dormancy for proper vernalization. Do not cut back foliage until it turns yellow (6–8 weeks after bloom) — the dying leaves photosynthesize energy into the bulb for next year. Lift and divide overcrowded clumps every 4–5 years in summer after foliage dies back. In zones 7b–9b, select heat-tolerant cultivars (Jonquilla, Tazetta, and Cyclamineus divisions) that perform better with less chill than large-cupped types. Zones 10+: insufficient winter cold; pre-chilling is required but results inconsistent — not recommended for outdoor culture.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Daffodils in Conejos County, CO?

Conejos County is in Zone 5a with an average last frost of June 9. Plan your Daffodils planting based on this frost date — see the calendar above for exact timing.

What planting zone is Conejos County, CO?

Conejos County, Colorado is in USDA Hardiness Zone 5a. The average last spring frost is June 9 and first fall frost is September 17.

When should I plant Daffodils in Conejos County, CO?

In Conejos County, CO, plant Daffodils after the last frost (around June 9) and before the first frost (around September 17). Best results when soil holds above 50°F.

What growing zone is Conejos County, CO for Daffodils?

Conejos County sits in USDA Zone 5a. Daffodils grows reliably in zones 3a through 9b, so it's a good fit here.

Can Daffodils grow in Conejos County's climate?

Yes — Daffodils grows well in Conejos County's temperate climate. Conejos County averages a 100-day frost-free season, with last frost around June 9 and first frost around September 17.

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

Sources & credits

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