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When to Plant Gladiolus in Pershing County, NV

Pershing County, Nevada Zone 6b June

June in Pershing County, Nevada — your action list

June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Pershing County, Nevada.

Avg. last frost May 23
Avg. first frost September 23
Soil temp (4") 60°F
Watering Critical
Pest pressure High
Daylight 14.9 hrs

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Gladiolus (Gladiolus spp.) produce tall, stately spikes of trumpet-shaped blooms in a rich array of colors, making them one of the most popular cut flowers in the world. Each spike carries 12–20 florets that open in succession from bottom to top over 7–10 days. By planting corms every two weeks from last frost through early summer, gardeners create a continuous succession of fresh blooms from midsummer through fall. Corms multiply each season — a single planting becomes a growing collection over the years. Ideal for back-of- border planting, cutting gardens, and mixed summer containers.

Pershing County, Nevada is in USDA Zone 6b. The average last spring frost is May 23 and the first fall frost is September 23, giving you a growing season of approximately 123 days.

At an elevation of 4,541 feet, Pershing County receives approximately 16.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 100°F, so Gladiolus may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Gladiolus will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Gladiolus successfully. Mulch heavily to conserve soil moisture.

Bulb Blooms in Summer Pollinator-friendly Good for cutting
Pershing County, NV (Zone 6b) Short season
123 days
Last Spring Frost May 23
123 growing days
First Fall Frost September 23
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Pershing County Soil Profile

Soil Type

Sandy Loam

Soil pH

7-8.3

Drainage

Well Drained

Gladiolus Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 13 🌸 Bloom: Jul 29 – Nov 18
Recommended (50%) ✗ May not fit
Transplant: May 23 🌸 Bloom: Aug 8 – Nov 28
Safe Start (90%) ✗ May not fit
Transplant: Jun 16 🌸 Bloom: Sep 1 – Dec 22

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 Pershing County

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

Soil pH

Your soil pH (7.0–8.3) is more alkaline than Gladiolus prefers (6.0–6.5). Add sulfur or peat moss to lower pH.

Soil Texture

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

Drainage

Drainage is adequate for Gladiolus.

Organic Matter

Organic matter is low (0.8%). Add 2-3 inches of compost before planting Gladiolus.

How to Plant Gladiolus

5"
Planting Depth
5"
Between Plants
12"
Between Rows

Gladiolus Water Budget

Plant needs
1.0″/week
Rainfall provides
0.6″/week
You supply
0.9″/week
Watering frequency 2-3 times/week
Season total 981 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Gladiolus

Gladiolus needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Gladiolus Needs Rainfall You Supplement Action
Jan 1.1" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 0.9" 0" ❄️ Dormant
Apr 0.6" 0" ❄️ Dormant
May 4.3" 0.4" 3.9" 🚿 Regular watering
Jun 4.3" 0.5" 3.8" 🚿 Regular watering
Jul 4.3" 3" 1.3" 💧 Light watering
Aug 4.3" 3.2" 1.1" 💧 Light watering
Sep 4.3" 2.1" 2.2" 🚿 Regular watering
Oct 1.7" 0" ❄️ Dormant
Nov 0.9" 0" ❄️ Dormant
Dec 1.2" 0" ❄️ Dormant

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

Gladiolus 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.

Gladiolus needs ~2,125 GDD — county provides 3,075 GDD Excellent fit

Gladiolus Planting Timeline — Pershing County, NV

Gladiolus Planting Calendar

Activity When Date Range
Transplant Outdoors May 23 May 23 – Jun 6
Direct Sow May 23 May 23 – Jun 13
Bloom August 8 Aug 8 – Nov 28

Plant 5" deep · 5" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors Direct Sow
June Transplant Outdoors Direct Sow
July
August Bloom
September Bloom
October Bloom
November Bloom
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 2-3 times/week

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–6.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6b

📆 Growing Season

123 days in Pershing County

Growing Tips for Gladiolus in Pershing County

Direct sow Gladiolus outdoors after May 23 in Pershing County when soil has warmed and frost danger has passed.

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

With summer highs reaching 100°F in Pershing County, provide afternoon shade for Gladiolus and water deeply in the morning.

Pershing County receives only 16" of rain annually. Gladiolus needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Plant corms 4–6 inches deep, pointed end up, as soon as soil reaches 60°F after last frost. Space 4–6 inches apart; rows 12 inches apart. Stake or grow through a support grid — tall varieties reach 4–5 feet and tip in wind. Begin succession plantings every 2 weeks through early July for continuous bloom. Water deeply once a week; mulch to conserve moisture and suppress weeds. Cut spikes for vases when the lowest floret just begins to open. After first killing frost (in cold zones), dig corms, let dry for 3–4 weeks in a ventilated spot, remove cormels, and store in mesh bags at 35–50°F. In zones 7b–8a, corms sometimes survive mild winters in ground with heavy mulch; in zones 8b+, in-ground overwintering is reliable.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Gladiolus in Pershing County, NV?

Pershing County is in Zone 6b with an average last frost of May 23. Plan your Gladiolus planting based on this frost date — see the calendar above for exact timing.

What planting zone is Pershing County, NV?

Pershing County, Nevada is in USDA Hardiness Zone 6b. The average last spring frost is May 23 and first fall frost is September 23.

🌱

Your Pershing County Garden Planner — Free

A 22-page printable planner built for Pershing County (Zone 6b). 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 Pershing County, NV. Local conditions may vary. Last updated: June 2026.

Sources & credits

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