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When to plant Gladiolus in Baker County County,

Baker County County's climate puts the Gladiolus spring window between March 1 and March 22. aim for a steady week of warm soil before planting.

When to Plant Gladiolus in Baker County, FL

Baker County, Florida Zone 9a June

Your June planting checklist for Baker County, Florida

If you only do a handful of things in the garden this June, make it these. They're sequenced around your zone's frost timing.

Avg. last frost March 1
Avg. first frost November 27
Soil temp (4") 83°F
Watering Low
Pest pressure High
Daylight 13.9 hrs
  1. It's harvest week for gladiolus

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

Get ahead of July
  • First harvests: gladiolus

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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.

Baker County, Florida is in USDA Zone 9a. The average last spring frost is March 1 and the first fall frost is November 27, giving you a growing season of approximately 271 days.

At an elevation of 177 feet, Baker County receives approximately 55.8 inches of rainfall annually with predominantly sand soil. Summer highs average 94°F, providing good warmth for Gladiolus during the growing season. Sandy soil warms quickly in spring — great for early planting — but Gladiolus will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Gladiolus root diseases.

Bulb Blooms in Summer Pollinator-friendly Good for cutting
Baker County, FL (Zone 9a) Year-round
271 days
Last Spring Frost March 1
271 growing days
First Fall Frost November 27
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Baker County Soil Profile

Soil Type

Sand

Soil pH

4.9-6.1

Drainage

Well Drained

Gladiolus Planting Risk Windows

Early Start (70% safe) ✓ Fits season (23 days to spare)
Transplant: Feb 14 🌸 Bloom: Apr 25 – Oct 24
Recommended (50%) ✓ Fits season (19 days to spare)
Transplant: Mar 1 🌸 Bloom: May 10 – Nov 8
Safe Start (90%) ✓ Fits season (17 days to spare)
Transplant: Mar 26 🌸 Bloom: Jun 4 – Dec 3

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 Baker County

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

Soil pH

Your soil pH (4.9–6.1) is more acidic than Gladiolus prefers (6.0–6.5). Add garden lime to raise pH.

Soil Texture

Sandy soil in Baker 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 (1.6%). Add 2-3 inches of compost before planting Gladiolus.

How to Plant Gladiolus

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

Succession Planting Gladiolus

4
successive plantings in your 271-day season

Sow every 8 weeks. Last sowing by Aug 19 to harvest before frost.

Gladiolus Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 1,050 gal / 100 sq ft

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 2.5" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 4.3" 3.8" 0.5" 💧 Light watering
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 7.8" 0" ✅ Rainfall sufficient
Jul 4.3" 9.7" 0" ✅ Rainfall sufficient
Aug 4.3" 7.4" 0" ✅ Rainfall sufficient
Sep 4.3" 6.5" 0" ✅ Rainfall sufficient
Oct 4.3" 4.1" 0.2" 💧 Light watering
Nov 4.3" 2.2" 2.1" 💧 Light watering
Dec 2.5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Baker 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 ~1,742 GDD — county provides 5,555 GDD Excellent fit

Gladiolus Planting Timeline — Baker County, FL

Gladiolus Planting Calendar

Activity When Date Range
Transplant Outdoors March 1 Mar 1 – Mar 15
Direct Sow March 1 Mar 1 – Mar 22
Bloom May 10 May 10 – Nov 8

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–6.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

271 days in Baker County

Growing Tips for Gladiolus in Baker County

Direct sow Gladiolus outdoors after March 01 in Baker County when soil has warmed and frost danger has passed.

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

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 Baker County, FL?

Baker County is in Zone 9a with an average last frost of March 1. Plan your Gladiolus planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baker County, FL?

Baker County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 1 and first fall frost is November 27.

When should I plant Gladiolus in Baker County County, ?

In Baker County County, , plant Gladiolus after the last frost (around March 1) and before the first frost (around November 27). Best results when soil holds above 50°F.

What growing zone is Baker County County, for Gladiolus?

Baker County County sits in USDA Zone 9a. Gladiolus grows reliably in zones 3a through 10b, so it's a good fit here.

Can Gladiolus grow in Baker County County's climate?

Yes — Gladiolus grows well in Baker County County's temperate climate. Baker County County averages a 271-day frost-free season, with last frost around March 1 and first frost around November 27.

🌱

Your Baker County Garden Planner — Free

A 22-page printable planner built for Baker County (Zone 9a). 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 Baker County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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