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When to plant Daffodils in Webster County County,

Plant Daffodils in Webster County County from mid-spring to late spring in spring. Webster County County sits in USDA Zone 5a, with last frost around April 28 and first frost on October 6. A second sowing from August 25 to September 8 extends the harvest into fall.

When to Plant Daffodils in Webster County, IA

Webster County, Iowa Zone 5a June

This month in Webster County, Iowa

Here's what deserves your attention in Webster County, Iowa this month. Everything below is tailored to Zone 5a and timed around your local frost dates.

Avg. last frost April 28
Avg. first frost October 6
Soil temp (4") 64°F
Watering Moderate
Pest pressure High
Daylight 15.1 hrs

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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.

Webster County, Iowa is in USDA Zone 5a. The average last spring frost is April 28 and the first fall frost is October 6, giving you a growing season of approximately 161 days.

At an elevation of 1,065 feet, Webster County receives approximately 30.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 80°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
Webster County, IA (Zone 5a) Moderate season
161 days
Last Spring Frost April 28
161 growing days
First Fall Frost October 6

Webster County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.3

Drainage

Well Drained

Daffodils Planting Risk Windows

Early Start (70% safe) ✓ Fits season (182 days to spare)
Transplant: Apr 22 🌸 Bloom: Mar 11 – Apr 1
Recommended (50%) ✓ Fits season (182 days to spare)
Transplant: Apr 28 🌸 Bloom: Mar 17 – Apr 7
Safe Start (90%) ✓ Fits season (177 days to spare)
Transplant: May 14 🌸 Bloom: Apr 2 – Apr 23

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 Webster County

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

Soil pH

Your soil pH (6.2–7.3) overlaps with Daffodils's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Drainage

Drainage is adequate for Daffodils.

Organic Matter

Organic matter is excellent (4.4%) — Daffodils will thrive.

How to Plant Daffodils

7"
Planting Depth
7"
Between Plants
8"
Between Rows

Fall planting: Sow 6 weeks before your first frost date for a fall harvest.

Succession Planting Daffodils

9
successive plantings in your 161-day season

Sow every 2.3 weeks. Last sowing by Aug 27 to harvest before frost.

For a dedicated fall crop, sow by Aug 25.

Daffodils Water Budget

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

Monthly Watering Guide for Daffodils

Daffodils 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 Daffodils Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.3" 0" ❄️ Dormant
Mar 2.3" 0" ❄️ Dormant
Apr 2.2" 2.6" 0" ✅ Rainfall sufficient
May 2.2" 3.4" 0" ✅ Rainfall sufficient
Jun 2.2" 3.6" 0" ✅ Rainfall sufficient
Jul 2.2" 3.1" 0" ✅ Rainfall sufficient
Aug 2.2" 3" 0" ✅ Rainfall sufficient
Sep 2.2" 3.2" 0" ✅ Rainfall sufficient
Oct 2.2" 2.5" 0" ✅ Rainfall sufficient
Nov 2.2" 0" ❄️ Dormant
Dec 1.7" 0" ❄️ Dormant

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

Daffodils 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.

Daffodils needs ~300 GDD — county provides 1,610 GDD Excellent fit

Daffodils Planting Timeline — Webster County, IA

Daffodils Planting Calendar

Activity When Date Range
Bloom July 14 Jul 14 – Aug 4
Fall Sowing August 25 Aug 25 – Sep 8

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

20–40 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 5a

📆 Growing Season

161 days in Webster County

Growing Tips for Daffodils in Webster County

Direct sow Daffodils outdoors after April 28 in Webster County when soil has warmed and frost danger has passed.

Your generous 161.0-day season in Webster County allows multiple plantings of Daffodils. Sow every 10.0 days for continuous harvest.

Common pests for Daffodils in this region include onion maggots and thrips. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Webster County, IA?

Webster County is in Zone 5a with an average last frost of April 28. Plan your Daffodils planting based on this frost date — see the calendar above for exact timing.

What planting zone is Webster County, IA?

Webster County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 28 and first fall frost is October 6.

When should I plant Daffodils in Webster County County, ?

In Webster County County, , plant Daffodils after the last frost (around April 28) and before the first frost (around October 6). Best results when soil holds above 50°F.

What growing zone is Webster County County, for Daffodils?

Webster County 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 Webster County County's climate?

Yes — Daffodils grows well in Webster County County's temperate climate. Webster County County averages a 161-day frost-free season, with last frost around April 28 and first frost around October 6.

🌱

Your Webster County Garden Planner — Free

A 22-page printable planner built for Webster 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 Webster County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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