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When to plant Nasturtium in Glades County, FL

For Nasturtium in Glades County, the safe spring window opens around December 21 and closes around January 11. Last expected frost is February 1, first fall frost December 19, giving a 322-day growing season.

When to Plant Nasturtium in Glades County, FL

Glades County, Florida Zone 10a July

Your July gardening checklist

Here's what deserves your attention in Glades County, Florida this month. Everything below is tailored to Zone 10a and timed around your local frost dates.

Avg. last frost February 1
Avg. first frost December 19
Soil temp (4") 95°F
Watering Low
Pest pressure High
Daylight 13.5 hrs
  1. It's harvest week for nasturtium

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

A few tasks this July that'll pay off in August
  • First harvests: nasturtium

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Nasturtium (Tropaeolum majus) is a fast-growing annual with distinctive round, lily-pad leaves and bold trumpet-shaped blooms in warm oranges, reds, and yellows. Both the flowers and leaves are edible with a peppery watercress flavor. Planted near vegetables, nasturtiums act as a sacrifice trap-crop, luring aphids away from more valuable plants. They thrive in poor, dry soil — rich conditions produce lush foliage but few flowers.

Glades County, Florida is in USDA Zone 10a. The average last spring frost is February 1 and the first fall frost is December 19, giving you a growing season of approximately 321 days.

At an elevation of 434 feet, Glades County receives approximately 54.3 inches of rainfall annually with predominantly sand soil. Summer highs average 101°F, so Nasturtium may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Nasturtium will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Nasturtium root diseases.

Annual Blooms in Multi-season Pollinator-friendly Deer-resistant Good for cutting Fragrant
Glades County, FL (Zone 10a) Year-round
321 days
Last Spring Frost February 1
321 growing days
First Fall Frost December 19

Glades County Soil Profile

Soil Type

Sand

Soil pH

5.1-6.3

Drainage

Well Drained

Nasturtium Planting Risk Windows

Early Start (70% safe) ✓ Fits season (95 days to spare)
Start indoors: Dec 25 Transplant: Dec 11 🌸 Bloom: Feb 5 – Sep 3
Recommended (50%) ✓ Fits season (97 days to spare)
Start indoors: Jan 4 Transplant: Dec 21 🌸 Bloom: Feb 15 – Sep 13
Safe Start (90%) ✓ Fits season (74 days to spare)
Start indoors: Feb 1 Transplant: Jan 18 🌸 Bloom: Mar 15 – Oct 11

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 Glades County

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

Soil pH

Your soil pH (5.1–6.3) is more acidic than Nasturtium prefers (6.0–8.0). Add garden lime to raise pH.

Soil Texture

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

Drainage

Drainage is adequate for Nasturtium.

Organic Matter

Organic matter is low (1.6%). Add 2-3 inches of compost before planting Nasturtium.

How to Plant Nasturtium

0.5"
Planting Depth
10"
Between Plants
12"
Between Rows

Succession Planting Nasturtium

7
successive plantings in your 321-day season

Sow every 6.3 weeks. Last sowing by Oct 15 to harvest before frost.

Nasturtium Water Budget

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

Monthly Watering Guide for Nasturtium

Nasturtium 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 Nasturtium Needs Rainfall You Supplement Action
Jan 2.7" 0" ❄️ Dormant
Feb 2.2" 2.5" 0" ✅ Rainfall sufficient
Mar 2.2" 2.9" 0" ✅ Rainfall sufficient
Apr 2.2" 2.7" 0" ✅ Rainfall sufficient
May 2.2" 3.5" 0" ✅ Rainfall sufficient
Jun 2.2" 8" 0" ✅ Rainfall sufficient
Jul 2.2" 8.3" 0" ✅ Rainfall sufficient
Aug 2.2" 7.7" 0" ✅ Rainfall sufficient
Sep 2.2" 7.2" 0" ✅ Rainfall sufficient
Oct 2.2" 4.2" 0" ✅ Rainfall sufficient
Nov 2.2" 2.3" 0" ✅ Rainfall sufficient
Dec 2.2" 2.3" 0" ✅ Rainfall sufficient

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

Nasturtium 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.

Nasturtium needs ~1,545 GDD — county provides 8,291 GDD Excellent fit

Nasturtium Planting Timeline — Glades County, FL

Nasturtium Planting Calendar

Activity When Date Range
Start Indoors January 4 Jan 4 – Jan 18
Transplant Outdoors December 21 Dec 21 – Jan 4
Direct Sow December 21 Dec 21 – Jan 11
Bloom February 15 Feb 15 – Sep 13

Plant 0.5" deep · 10" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

55–65 days

🧪 Soil pH

Needs 6–8 · Your soil: too_acidic

🗺️ USDA Zone

Zone 10a

📆 Growing Season

321 days in Glades County

Growing Tips for Nasturtium in Glades County

Direct sow Nasturtium outdoors after February 01 in Glades County when soil has warmed and frost danger has passed.

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

With summer highs reaching 101°F in Glades County, provide afternoon shade for Nasturtium and water deeply in the morning.

General growing tips

Direct-sow large seeds 1/2 inch deep after last frost; soak seeds overnight to speed germination (7-10 days). Nasturtiums dislike root disturbance so direct sowing is strongly preferred. Avoid fertilizing — poor soil brings the best bloom. Trailing types can cover banks and climb trellises; dwarf types suit containers. In hot climates (zones 9+) plant in fall for winter/spring bloom as plants struggle in peak summer heat.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Nasturtium in Glades County, FL?

Glades County is in Zone 10a with an average last frost of February 1. Plan your Nasturtium planting based on this frost date — see the calendar above for exact timing.

What planting zone is Glades County, FL?

Glades County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is February 1 and first fall frost is December 19.

When should I plant Nasturtium in Glades County, FL?

In Glades County, FL, plant Nasturtium after the last frost (around February 1) and before the first frost (around December 19). Best results when soil holds above 50°F.

What growing zone is Glades County, FL for Nasturtium?

Glades County sits in USDA Zone 10a. Nasturtium grows reliably in zones 2a through 11b, so it's a good fit here.

Can Nasturtium grow in Glades County's climate?

Yes — Nasturtium grows well in Glades County's temperate climate. Glades County averages a 322-day frost-free season, with last frost around February 1 and first frost around December 19.

🌱

Your Glades County Garden Planner — Free

A 22-page printable planner built for Glades County (Zone 10a). 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 Glades County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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