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When to Plant Hyacinths in Eureka County, NV

Eureka County, Nevada Zone 5b June

Your June gardening checklist

Your garden in Eureka County, Nevada is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost May 30
Avg. first frost September 20
Soil temp (4") 45°F
Watering Critical
Pest pressure High
Daylight 14.8 hrs

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Hyacinths (Hyacinthus orientalis) fill the spring garden with an almost overwhelming fragrance — a single cluster of blooms can perfume an entire yard. Dense, upright spikes of waxy florets in shades of purple, pink, blue, white, and red emerge in mid-spring, bridging the gap between the first crocus and the tulip peak. Though bulbs bloom most spectacularly in their first year, established plantings continue to produce graceful, less-dense flower spikes for several years. Deer and rabbits avoid them due to toxic alkaloids.

Eureka County, Nevada is in USDA Zone 5b. The average last spring frost is May 30 and the first fall frost is September 20, giving you a growing season of approximately 113 days.

At an elevation of 8,408 feet, Eureka County receives approximately 14.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Hyacinths during the growing season. Sandy soil warms quickly in spring — great for early planting — but Hyacinths will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Hyacinths successfully. Mulch heavily to conserve soil moisture.

Bulb Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting Fragrant
Eureka County, NV (Zone 5b) Short season
113 days
Last Spring Frost May 30
113 growing days
First Fall Frost September 20

Eureka County Soil Profile

Soil Type

Sandy Loam

Soil pH

7-8.5

Drainage

Well Drained

Hyacinths Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: May 23 🌸 Bloom from: May 2
Recommended (50%) ✓ Fits season
Transplant: May 30 🌸 Bloom from: May 9
Safe Start (90%) ✓ Fits season
Transplant: Jun 16 🌸 Bloom from: May 26

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 Eureka County

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

Soil pH

Your soil pH (7.0–8.5) is more alkaline than Hyacinths prefers (6.0–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Eureka County warms quickly in spring but drains fast. Hyacinths will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Hyacinths.

Organic Matter

Organic matter is low (0.7%). Add 2-3 inches of compost before planting Hyacinths.

How to Plant Hyacinths

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

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

Succession Planting Hyacinths

10
successive plantings in your 113-day season

Sow every 1.6 weeks. Last sowing by Aug 23 to harvest before frost.

For a dedicated fall crop, sow by Aug 09.

Hyacinths Water Budget

Plant needs
0.5″/week
Rainfall provides
0.6″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 125 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Hyacinths

Hyacinths 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 Hyacinths Needs Rainfall You Supplement Action
Jan 1" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 0.7" 0" ❄️ Dormant
Apr 0.4" 0" ❄️ Dormant
May 2.2" 0.3" 1.9" 🚿 Regular watering
Jun 2.2" 0.6" 1.6" 🚿 Regular watering
Jul 2.2" 2.7" 0" ✅ Rainfall sufficient
Aug 2.2" 2.6" 0" ✅ Rainfall sufficient
Sep 2.2" 1.9" 0.3" 💧 Light watering
Oct 1.5" 0" ❄️ Dormant
Nov 1" 0" ❄️ Dormant
Dec 1.1" 0" ❄️ Dormant

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

Hyacinths 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.

Hyacinths needs ~399 GDD — county provides 2,147 GDD Excellent fit

Hyacinths Planting Timeline — Eureka County, NV

Hyacinths Planting Calendar

Activity When Date Range
Bloom July 19 Jul 19 – Aug 16
Fall Sowing August 9 Aug 9 – Aug 23

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Only during dry spells

📅 Days to Maturity

14–28 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 5b

📆 Growing Season

113 days in Eureka County

Growing Tips for Hyacinths in Eureka County

Direct sow Hyacinths outdoors after May 30 in Eureka County when soil has warmed and frost danger has passed.

Sandy soil in Eureka County dries quickly — mulch Hyacinths with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Your generous 113.0-day season in Eureka County allows multiple plantings of Hyacinths. Sow every 7.0 days for continuous harvest.

Eureka County receives only 15" of rain annually. Hyacinths needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Plant bulbs 6 inches deep and 6 inches apart in fall, when soil drops below 60°F. Wear gloves when handling — bulb sap causes contact dermatitis in some people. After bloom, deadhead the spent spike but leave the strap-like foliage until it yellows naturally. For naturalizing, plant at 6–8 inch spacings and allow clumps to mature undisturbed. In zones 7b–9b, treat bulbs as annuals or use pre-chilled stock; performance after year 1 declines in warm-winter zones. For forcing indoors, chill bulbs 10–12 weeks then bring into warmth.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Hyacinths in Eureka County, NV?

Eureka County is in Zone 5b with an average last frost of May 30. Plan your Hyacinths planting based on this frost date — see the calendar above for exact timing.

What planting zone is Eureka County, NV?

Eureka County, Nevada is in USDA Hardiness Zone 5b. The average last spring frost is May 30 and first fall frost is September 20.

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Your Eureka County Garden Planner — Free

A 22-page printable planner built for Eureka 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 Eureka County, NV. 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.