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Key Largo, FL — Planting Guide for July

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Monroe County, Florida Zone 11b July

Top priorities for Monroe County, Florida gardeners in July

Welcome to July in Zone 11b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost January 22
Soil temp (4") 94°F
Watering Low
Pest pressure High
Daylight 13.4 hrs
  1. Basket week: ageratum, artichoke, and begonias

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

Before August arrives, get these ready
  • First harvests: ageratum, artichoke, and begonias

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Key Largo gardens in a hot, dry, year-round climate (only 2" annual precipitation). Your enemy isn't frost — it's the summer heat, which can shut down vegetable growth from June through September. The winning playbook: cool-season crops (lettuce, broccoli, peas) thrive in fall and winter; warm-season crops (tomatoes, peppers, squash) go in early spring and finish before peak heat; midsummer is for heat-survivors like okra, southern peas, and Armenian cucumbers. Check the monthly brief above for this month's specific actions.

Native soil is Sand — warms fast and drains free, but nutrients and water wash through. Plan on heavy organic-matter additions and either drip irrigation or frequent shallow waterings to keep crops happy.

Drought pressure is moderate (13.9 weeks/year on average). Mulching and drip irrigation pay for themselves quickly.

🌡️ USDA Zone

11b (45°F to 50°F min)

❄️ Last Frost

None expected Frost is exceptional (100% of years had zero frost days)

🌴 Growing Season

Year-round 365 frost-free days · plant any month

📆 Planting Strategy

Cool-season in winter Tomatoes & peppers thrive Oct–May; greens, broccoli, kale do best Nov–Feb

🌧️ Climate

Arid 1.7" annual

💨 Wind

Unknown 0.0 mph avg

🥶 Frost Tier

Frost Free 100% frost-free years

🏜️ Drought

13.9 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Key Largo, FL Year-round
365 days
Last Spring Frost No frost
365 growing days
First Fall Frost No frost

Monthly Watering Calendar for Key Largo

When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.

Quick context: In Key Largo, the watering question isn't "how often" — it's "is the soil moist 4 inches down?" Stick a finger in. Dry? Water. Damp? Wait. The 2" annual rainfall is just the starting context.

1"/wk 0" 2.2" 4.4" 6.5" 8.7" +2" Jan 2.3" +1.6" Feb 2.7" Mar 3.8" +1.8" Apr 2.5" +1.1" May 3.2" Jun 7.1" Jul 8.2" Aug 8.7" Sep 7.7" Oct 4.8" +2.1" Nov 2.2" +1.8" Dec 2.5"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 2.3 in 5 days 2 in High
Feb 2.7 in 6 days 1.6 in High
Mar 3.8 in 7 days 0.5 in Low
Apr 2.5 in 6 days 1.8 in High
May 3.2 in 10 days 1.1 in Moderate
Jun 7.1 in 16 days Low
Jul 8.2 in 16 days Low
Aug 8.7 in 18 days Low
Sep 7.7 in 13 days Low
Oct 4.8 in 9 days Low
Nov 2.2 in 6 days 2.1 in High
Dec 2.5 in 5 days 1.8 in High

Annual total: 55.7 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.

Key Largo Soil Profile

Soil Type

Sand

Soil pH

4.8-5.7

Drainage

Well Drained

Frost Risk Probability

Based on 11 years of NOAA weather station data from 3 stations

Too early frost risk Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Mar 16

Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.

How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.

Planting Strategy Last Spring Frost First Fall Frost Frost-Free Days
Conservative (safest) Mar 16
Cautious Feb 15
Average year Jan 22
Optimistic Jan 17
Aggressive (risky) Jan 8
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±67 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.

🌱
Is the growing season changing?

Yes — growing seasons are getting longer here (about 33 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

49 Moderate
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
3.0/10
Altitude Challenge
0.0/10
Climate Shift
10.0/10
Rainfall Challenge
4.2/10

Monroe County presents some gardening challenges. Choose adapted varieties and plan around frost dates.

Zone 11b Year-Round Growing

No frost countdown needed. Frost is exceptional in this area — most years record zero frost days. Plan around heat and rainfall instead.

Local Gardening Help in Monroe County

Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Monroe County's climate and soil.

County Extension Office

Monroe County University of Florida IFAS Extension Extension Office

Phone: 352-392-1761

Visit Extension Office Website →

Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.

Master Gardener Program

Free gardening help from trained volunteers

Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.

Find Master Gardeners in FL →

Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.

Soil Testing

Available through your extension office

Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.

Request a Soil Test →

Services Available in Monroe County

Soil testing Tropical gardening Pest management Florida-Friendly landscaping
Finding local nurseries & garden centers in Monroe County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Monroe County's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.

How to Find Them

Search for "nurseries near Monroe County FL" or "garden center Monroe County" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.

Community gardens & gardening groups

Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Monroe County FL" or check your extension office and local parks department. Facebook groups like "Monroe County Gardeners" or "Florida Gardening" are also excellent for local advice and plant swaps.

What to Plant Next in Key Largo

In a year-round growing climate, succession planning isn't about beating frost — it's about matching the next crop to the next season's heat.

After cool-season crops (broccoli, lettuce, peas) Heat is coming

Cool-season crops typically finish March–April as temperatures climb. Don't replant lettuce or brassicas now — they'll bolt within weeks. Switch to heat-lovers.

Okra 55–65d Southern Peas 60–70d Sweet Potatoes 90–120d Malabar Spinach 50–70d Armenian Cucumber 60–70d Hot Peppers 75–90d
After spring tomatoes / peppers (planted Jan–Feb) May–June

Spring tomato vines fade as summer humidity rises. Pull them by June and plant heat-survivors that thrive in the conditions tomatoes hate.

Okra 55–65d Eggplant 70–85d Southern Peas 60–70d Sweet Potatoes 90–120d Seminole Pumpkin 90–110d
After heat-survivors (okra, peas, sweet potatoes) Sep–Oct

As humidity drops in September–October, the second growing season opens. Plant transplants of tomatoes, peppers, eggplant — they'll set fruit through fall and into winter.

Tomatoes (fall) 65–85d Peppers (fall) 70–90d Broccoli 65–80d Cabbage 70–100d Cauliflower 75–90d Lettuce 30–60d
After fall tomatoes / brassicas (Nov–Feb) Winter into spring

Winter is your "spring" — direct-sow every 2 weeks for continuous lettuce, spinach, and radish harvests. Plant strawberries, garlic, and onions. Brassicas planted now finish in January–March.

Lettuce 30–60d Spinach 40–50d Radish 22–35d Carrots 60–80d Strawberries 90d to fruit Garlic 180+d

Sunlight & Day Length in Key Largo

Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.

Why it matters: Onion varieties are sold by "short-day," "intermediate-day," and "long-day." Key Largo's latitude determines which to buy — and getting it wrong is the difference between baseball-sized bulbs and marbles.

Longest Day

13.5 hours

Summer solstice daylight

Shortest Day

10.5 hours

Winter solstice daylight

Peak Sun Hours

9.3 hr/day peak (summer)

Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.

14hr 12hr 4h 7h 10h 12h 15h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight hours (sunrise to sunset) Peak sun hours (direct sunlight after cloud cover) ▪ Gold zone = long day (14+ hr) ▪ Blue zone = short day (<12 hr)

Onion tip: Your shorter days favor short-day onion varieties like Vidalia, Texas 1015, and Red Creole. Plant in fall for best results.

View detailed monthly data
MonthDaylight HoursPeak Sun HoursDay Length
January 10.6 hr 5.9 hr Short day
February 11.2 hr 6.6 hr Short day
March 11.8 hr 7.4 hr Short day
April 12.6 hr 8.4 hr Neutral
May 13.2 hr 9.3 hr Neutral
June 13.5 hr 7.6 hr Neutral
July 13.4 hr 6.8 hr Neutral
August 12.9 hr 6.9 hr Neutral
September 12.1 hr 6 hr Neutral
October 11.4 hr 7.1 hr Short day
November 10.8 hr 6.2 hr Short day
December 10.5 hr 5.8 hr Short day

Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.

Soil Temperature & Composting in Key Largo

Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.

Quick context: Air temperature lies. Your air can be 70°F in April but the soil 4 inches down is still 50°F — too cold for tomatoes or peppers to root properly. Key Largo's soil temperature curve tells you the real planting window. A $5 soil thermometer pays for itself in one season.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jan through Dec.

Best Month to Compost

Mar

Microbial activity peaks when soil is warm.

Active Composting

12 months

Nearly year-round composting.

60°F 70°F 50° 65° 80° 95° 110° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 63°F 68°F ♻️ Active ~14 weeks
Feb 64°F 68°F ♻️ Active ~14 weeks
Mar 71°F 72°F 🔥 Peak ~8 weeks
Apr 75°F 77°F 🔥 Peak ~8 weeks
May 81°F 83°F 🔥 Peak ~8 weeks
Jun 88°F 87°F 🔥 Peak ~8 weeks
Jul 94°F 91°F 🔥 Peak ~8 weeks
Aug 96°F 94°F 🔥 Peak ~8 weeks
Sep 94°F 91°F 🔥 Peak ~8 weeks
Oct 86°F 87°F 🔥 Peak ~8 weeks
Nov 75°F 81°F 🔥 Peak ~8 weeks
Dec 69°F 72°F 🔥 Peak ~8 weeks

Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.

Pest & Disease Pressure in Key Largo

Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.

What this means for you: Two gardeners can grow identical seeds and get wildly different results based on pest pressure alone. Key Largo's climate sets a floor on what's possible without intervention.

Insect Pest Pressure

8 / 10

High — expect multiple pest generations. Preventative measures essential.

Disease Risk

8 / 10

High fungal/bacterial risk. Space plants for airflow, water at soil level.

Seasonal Risk

Spring High
Summer High
Fall High
Winter Moderate
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Whiteflies High Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Spider mites High Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Thrips High Mar, Apr, May, Jun, Jul, Aug, Sep
Scale insects Moderate Apr, May, Jun, Jul, Aug, Sep, Oct
Nematodes Moderate May, Jun, Jul, Aug, Sep
Organic pest management tips
  • Install physical barriers: floating row covers, copper tape for slugs, mesh netting
  • Apply Bt (Bacillus thuringiensis) for caterpillar control — safe for beneficial insects
  • Use kaolin clay spray to deter a wide range of insects on fruiting crops
  • Release beneficial insects: ladybugs for aphids, parasitic wasps for caterpillars
  • Apply neem oil weekly during high-pressure months
  • Mulch heavily (3-4 inches) to reduce soil-borne disease splash

Cover Crops for Key Largo

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.

Why it matters: Bare soil is wasted soil — it loses nutrients to rain, dries out, compacts, and gets taken over by weeds. Cover crops (clovers, ryegrass, vetch, peas) are the "between seasons" trick that makes soil better every year. In Key Largo, you can fit a cover crop into the gaps.

Spring Cover Crops (1 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Cowpeas (southern peas) Jan 1 Nov 5 ✓ Yes Excellent nitrogen fixer for warm climates, edible

Wind & Microclimate in Key Largo

Why this matters: Pollinators avoid windy days. Key Largo's 0.0 mph average wind isn't enough to stop bees and butterflies — but plant fruiting crops (tomatoes, peppers, squash) in protected microclimates and you'll see noticeably better fruit set.

Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.

Seasonal Wind Speed

Spring: 11 mph   Summer: 8 mph

Fall: 9 mph   Winter: 11 mph

Prevailing wind: E. Moderate wind — consider a temporary windbreak for young seedlings.

Windbreak Benefit

5.3/10

Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.

Frost Pocket Risk

Low

Relatively flat terrain (50 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Key Largo

How much water you can collect, when to collect it, and what size system you need for your garden.

What this means for you: Even in arid regions, rainwater harvesting works — you just need bigger storage and patience. In wet regions like Key Largo (2" annually), you're mostly limited by how much water you can store between storms.

Annual Collection

27,760 gal

Per 1,000 sq ft of roof area (at 80% collection efficiency)

Recommended Setup

6 rain barrels (55 gal each)

For a typical 500 sq ft garden. Serious collectors: consider a 1,250 gal tank.

Legal Status

Unrestricted

Rainwater harvesting is fully legal in your state with no restrictions.

Best Collection Months

Jun, Jul, Aug, Sep

Highest rainfall months — your barrels will fill up quickly during these months.

Months to Draw From Storage

Jan, Nov, Dec

Dry months when you'll rely on stored water — size your storage for this gap.

Rainwater collection tips for your area
  • Your county receives approximately 55.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 27,760 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Your area gets ample rainfall — even small barrels make a big difference
  • Consider a rain garden to handle overflow during heavy rainfall months

🥬 Vegetables to Grow in Key Largo

73 vegetables matched to Zone 11b with planting dates calibrated for Key Largo.

Show all 73 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Dec 25 Jan 22 Jan 29 Apr 23 – May 28 80–100
Amaranth Dec 11 Jan 22 Jan 29 Apr 30 – Jun 18 90–120
Artichoke Feb 5 Jun 11 – Aug 20 120–180
Arugula Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – Apr 30 30–50
Beets Jan 1 Feb 18 Feb 26 – Mar 26 50–70
Bitter Melon Dec 11 Jan 22 Jan 29 Apr 2 – May 14 60–90
Black Beans Jan 29 Apr 30 – Jun 18 90–120
Bok Choy Dec 25 Jan 1 Jan 22 Feb 18 Mar 5 – Apr 9 40–60
Broccoli Dec 25 Jan 1 Jan 22 Feb 18 Mar 26 – May 7 60–90
Butternut Squash Dec 25 Jan 22 Jan 29 Apr 30 – Jun 4 85–110
Calabash Dec 11 Jan 22 Jan 29 Apr 23 – Jun 18 80–120
Chard Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – May 7 50–60
Chayote Dec 11 Jan 22 Jan 29 Jun 4 – Aug 13 120–180
Chinese Cabbage Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – Apr 16 50–70
Christmas Lima Beans Dec 11 Jan 22 Jan 29 Apr 23 – May 28 80–100
Collard Greens Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – May 21 55–75
Corn Jan 29 Apr 2 – May 28 60–100
Cowpeas Jan 29 Apr 2 – May 14 60–90
Cress Dec 25 Jan 1 Jan 22 Feb 18 Feb 5 – Feb 26 14–21
Crookneck Squash Dec 25 Jan 22 Jan 29 Mar 19 – Apr 16 45–60
Cucumber Dec 25 Jan 22 Jan 29 Mar 26 – May 21 50–70
Daikon Jan 1 Feb 18 Feb 26 – Mar 26 50–70
Delicata Squash Dec 25 Jan 22 Jan 29 Apr 23 – May 28 80–100
Eggplant Dec 11 Jan 22 Jan 29 Apr 9 – Jun 11 65–85
Ginger Dec 11 Jan 22 Jan 29 Oct 1 – Dec 10 240–300
Green Beans Jan 29 Mar 26 – May 21 50–65
Hot Peppers Dec 11 Jan 22 Jan 29 Apr 9 – Jul 16 70–120
Jicama Dec 11 Jan 22 Jan 29 Jun 4 – Aug 13 120–180
Kabocha Dec 25 Jan 22 Jan 29 Apr 30 – May 28 85–100
Kai Lan Dec 25 Jan 1 Jan 22 Feb 18 Mar 12 – Apr 9 45–60
Kale Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – May 14 50–70
Kidney Beans Jan 29 Apr 30 – Jun 4 85–110
Kohlrabi Dec 25 Jan 1 Jan 22 Feb 18 Mar 12 – Apr 16 45–65
Komatsuna Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – Apr 2 35–50
Lettuce Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – May 7 30–60
Lima Beans Jan 29 Apr 2 – May 14 60–90
Loofah Dec 11 Jan 22 Jan 29 May 14 – Jul 16 100–150
Luffa Dec 11 Jan 22 Jan 29 Apr 30 – Jul 16 90–150
Malabar Spinach Dec 11 Jan 22 Jan 29 Mar 26 – Apr 23 55–70
Melon Dec 25 Jan 22 Jan 29 Apr 9 – May 28 70–100
Microgreens Dec 25 Jan 1 Jan 22 Feb 18 Jan 29 – Feb 26 7–21
Mizuna Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – Mar 26 30–45
Mustard Greens Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – Apr 30 30–50
Napa Cabbage Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – Apr 23 55–75
New Zealand Spinach Dec 11 Jan 22 Jan 29 Mar 26 – Apr 23 55–70
Okra Dec 11 Jan 22 Jan 29 Mar 26 – May 21 50–65
Pac Choi Dec 25 Jan 1 Jan 22 Feb 18 Mar 5 – Apr 2 40–55
Patty Pan Squash Dec 25 Jan 22 Jan 29 Mar 19 – Apr 16 45–60
Peas Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – May 14 55–70
Peppers Dec 11 Jan 22 Jan 29 Apr 2 – Jun 11 60–90
Pole Beans Dec 11 Jan 22 Jan 29 Mar 26 – May 21 55–70
Purslane Dec 25 Jan 1 Jan 22 Feb 18 Mar 5 – Apr 9 40–60
Radish Jan 1 Feb 18 Jan 29 – Feb 19 22–35
Scarlet Runner Beans Dec 11 Jan 22 Jan 29 Apr 2 – May 7 60–80
Shiso Dec 11 Jan 29 Jan 29 Mar 26 – May 21 50–70
Snap Peas Dec 11 Jan 22 Jan 29 Mar 26 – May 21 55–70
Snow Peas Dec 25 Jan 1 Jan 22 Feb 18 Mar 19 – May 14 50–65
Spaghetti Squash Dec 25 Jan 22 Jan 29 Apr 30 – May 28 85–100
Squash (Summer) Dec 25 Jan 22 Jan 29 Mar 19 – May 21 45–65
Squash (Winter) Dec 25 Jan 22 Jan 29 Apr 23 – Jun 18 80–120
Sweet Corn Jan 29 Apr 2 – May 14 60–90
Sweet Potatoes Dec 11 Jan 22 Jan 29 Apr 30 – Jun 18 90–120
Tatsoi Dec 25 Jan 1 Jan 22 Feb 18 Feb 26 – Apr 2 35–50
Tomatillo Dec 11 Jan 22 Jan 29 Apr 2 – Jun 11 60–85
Tomatoes Dec 11 Jan 22 Jan 29 Apr 2 – Jun 11 60–85
Turmeric Dec 11 Jan 22 Jan 29 Oct 1 – Dec 10 240–300
Watercress Dec 25 Jan 1 Jan 22 Feb 18 Mar 5 – Apr 9 40–60
Watermelon Dec 25 Jan 22 Jan 29 Apr 9 – May 28 70–100
Wax Beans Jan 29 Mar 26 – May 21 50–65
Winter Melon Dec 11 Jan 22 Jan 29 Apr 30 – Jun 18 90–120
Yam Dec 11 Jan 22 Jan 29 Jul 30 – Jan 14 180–330
Yard Long Beans Dec 11 Jan 22 Jan 29 Mar 26 – May 7 55–80
Zucchini Dec 25 Jan 22 Jan 29 Mar 19 – May 14 45–60

🍓 Fruits to Grow in Key Largo

7 fruits matched to Zone 11b with planting dates calibrated for Key Largo.

Show all 7 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Cantaloupe Feb 5 Apr 16 – May 21 70–90
Dragon Fruit Feb 5 365–730
Figs Feb 5 730–1825
Ground Cherry Feb 5 Apr 16 – Jun 11 65–80
Guava Feb 5 365–730
Honeydew Feb 5 Apr 30 – Jun 11 80–110
Passion Fruit Feb 5 365–545

🌿 Herbs to Grow in Key Largo

10 herbs matched to Zone 11b with planting dates calibrated for Key Largo.

Show all 10 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Basil Dec 11 Jan 29 Jan 29 Mar 26 – May 28 50–75
Borage Dec 25 Jan 1 Jan 15 Feb 18 Mar 12 – Apr 30 50–60
Cilantro Dec 25 Jan 1 Jan 15 Feb 18 Feb 26 – Apr 30 40–60
Cumin Dec 25 Jan 1 Jan 15 Feb 18 Apr 30 – Jul 2 100–120
Dill Dec 25 Jan 1 Jan 15 Feb 18 Feb 26 – Apr 30 40–60
Epazote Dec 11 Jan 29 Jan 29 Mar 19 – May 14 45–60
Lemon Verbena Dec 11 Jan 29 Jan 29 Apr 2 – Jun 11 60–90
Lemongrass Dec 11 Jan 29 Jan 29 Apr 16 – Jul 16 75–120
Stevia Dec 11 Jan 29 Jan 29 Apr 2 – Jun 11 60–90
Thai Basil Dec 11 Jan 29 Jan 29 Mar 26 – May 28 50–75

🌸 Flowers to Grow in Key Largo

19 flowers matched to Zone 11b with planting dates calibrated for Key Largo.

Show all 19 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Dec 11 Nov 20 Nov 20 Jan 15 – Sep 10 60–75
Bachelor's Button Oct 23 Nov 20 Jan 7 Jan 8 – Apr 9 60–90
Begonias Nov 13 Nov 20 Jan 29 – Nov 19 70–90
Calendula Oct 23 Nov 20 Dec 24 Dec 25 – Mar 26 50–70
Celosia Dec 25 Nov 20 Nov 20 Jan 22 – Oct 8 60–90
Cosmos Dec 25 Nov 20 Nov 20 Jan 29 – Sep 24 60–90
Freesia Mar 4 Mar 4 – Apr 8 84–112
Geraniums Nov 13 Nov 20 Jan 29 – Nov 19 70–100
Impatiens Nov 27 Nov 20 Jan 29 – Sep 24 60–75
Marigolds Dec 25 Nov 20 Nov 20 Jan 15 – Sep 10 50–70
Nasturtium Dec 25 Nov 20 Nov 20 Jan 15 – Sep 24 55–65
Petunia Nov 27 Nov 20 Jan 29 – Sep 10 70–90
Portulaca Dec 25 Nov 20 Nov 20 Jan 8 – Oct 8 50–70
Salvia Nov 27 Nov 20 Jan 29 – Sep 24 70–90
Snapdragon Oct 23 Nov 20 Dec 24 Jan 15 – Jul 2 70–100
Sunflower Jan 1 Nov 20 Nov 20 Feb 12 – Sep 24 70–100
Sweet Alyssum Oct 23 Nov 20 Jan 7 Dec 18 – Feb 26 45–60
Vinca (Annual) Nov 13 Nov 20 Jan 29 – Nov 19 70–90
Zinnia Dec 25 Nov 20 Nov 20 Jan 29 – Sep 24 60–70

Monthly Planting Guide for Key Largo

ZIP Codes in Key Largo

Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Monroe County.

🌱

Your Monroe County Garden Planner — Free

A 22-page printable planner built for Monroe County (Zone 11b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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Town-level data is aggregated from per-ZIP NOAA GHCN-D measurements (1 ZIP code in Key Largo), USDA SSURGO soil survey, and the US Drought Monitor weekly archive. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: July 2026.