Blog

O Brien, FL — Planting Guide for June

Download My Garden Planner for O Brien

Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.

O Brien, FL Zone 9a June

Your June gardening checklist

June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in O Brien, FL.

Avg. last frost March 4
Avg. first frost November 26
Soil temp (4") 84°F
Watering Low
Pest pressure High
Daylight 13.9 hrs
  1. Start harvesting basil, cucumber, and green beans

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

July prep starts now
  • First harvests: basil, cucumber, and green beans

Instant PDF download. No spam, unsubscribe any time.

O Brien gardens in a wet, humid climate (55" annually). Cool-season crops like peas, lettuce, kale, and brassicas thrive in spring and fall. The biggest challenges are fungal disease and humidity-loving pests in summer — leaf spot, blight, squash bugs, vine borers. Drip irrigation (not overhead), wide plant spacing for air circulation, and disease-resistant varieties make the difference.

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.

O Brien averages 20.1 drought weeks per year (US Drought Monitor, 2000–present, trend improving). Treat irrigation as a year-round system, not a summer add-on.

🌡️ USDA Zone

9a (20°F to 25°F min)

❄️ Avg. Last Frost

March 4

🍂 Avg. First Frost

November 26

📅 Growing Season

267 days

🌧️ Climate

Humid 55.5" annual

💨 Wind

Calm 5.0 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

20.1 wk/yr trend improving

📍 ZIP Codes

1 ZIP

O Brien, FL Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Monthly Watering Calendar for O Brien

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

What this means for you: Most vegetables want about 1 inch of water per week. O Brien gets 55" a year — months that hit that 1"/week need zero supplemental watering; months that fall short, the table tells you how much to add. Saves you from drowning roots and from drought-stressing plants into bolting.

1"/wk 0" 2" 4" 6" 8" Jan 2.5" +1.3" Feb 3" +1.1" Mar 3.2" +1.7" Apr 2.6" May 3.8" Jun 8" Jul 7.8" Aug 7.3" Sep 7.1" Oct 4.1" +2" Nov 2.3" Dec 2"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 2.5 in 6 days None
Feb 3 in 6 days 1.3 in Moderate
Mar 3.2 in 6 days 1.1 in Moderate
Apr 2.6 in 5 days 1.7 in High
May 3.8 in 7 days 0.5 in Low
Jun 8 in 15 days Low
Jul 7.8 in 18 days Low
Aug 7.3 in 18 days Low
Sep 7.1 in 14 days Low
Oct 4.1 in 11 days 0.2 in Low
Nov 2.3 in 5 days 2 in High
Dec 2 in 6 days None

Annual total: 53.7 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.

O Brien Soil Profile

Soil Type

Sand

Soil pH

5.1-6

Drainage

Well Drained

Frost Risk Probability

Based on 29 years of NOAA weather station data from 3 stations

Too early frost risk Safe to Plant Mar 4 → Nov 26 267 frost-free days Protect crops frost returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Mar 24 Protect by: Dec 20

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 24 Dec 20 271 days
Cautious Mar 12 Dec 3 266 days
Average year Mar 4 Nov 26 267 days
Optimistic Feb 19 Nov 16 270 days
Aggressive (risky) Jan 30 Nov 5 279 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±53 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 3.8 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

50 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
3.4/10

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

Zone 9a Frost Countdown
--
Loading...
Last Frost: Mar 4 First Frost: Nov 26

Local Gardening Help in Suwannee 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 Suwannee County's climate and soil.

County Extension Office

Suwannee 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 Suwannee County

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

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Suwannee 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 Suwannee County FL" or "garden center Suwannee 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 Suwannee County FL" or check your extension office and local parks department. Facebook groups like "Suwannee County Gardeners" or "Florida Gardening" are also excellent for local advice and plant swaps.

What to Plant After Your Harvest

After your first crops finish, use the remaining frost-free days to grow a second round.

After Sweet Corn (harvest ends Jun 17) 162 days until frost
After Tomatoes (harvest ends Jul 22) 127 days until frost
After Sweet Potatoes (harvest ends Jul 29) 120 days until frost
After Peppers (harvest ends Jul 22) 127 days until frost
Show 6 more succession options
After Squash (Winter) (harvest ends Jul 29) 120 days until frost
After Onion (harvest ends Jul 22) 127 days until frost
After Basil (harvest ends Jul 8) 141 days until frost
After Corn (harvest ends Jul 1) 148 days until frost
After Chard (harvest ends Jun 17) 162 days until frost
After Cauliflower (harvest ends Jul 1) 148 days until frost

Sunlight & Day Length in O Brien

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

Quick context: You can't change the sun. Picking the right day-length-matched varieties for O Brien matters more than any other "fix" you make — and the seed packet tells you (look for "long-day," "short-day," "day-neutral").

Longest Day

13.9 hours

Summer solstice daylight

Shortest Day

10.1 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 10.3 hr 6.1 hr Short day
February 10.9 hr 6.7 hr Short day
March 11.8 hr 8 hr Short day
April 12.7 hr 8.7 hr Neutral
May 13.5 hr 9.3 hr Neutral
June 13.9 hr 7.4 hr Neutral
July 13.8 hr 7.4 hr Neutral
August 13.1 hr 6.6 hr Neutral
September 12.2 hr 6.6 hr Neutral
October 11.2 hr 6.4 hr Short day
November 10.4 hr 6.5 hr Short day
December 10.1 hr 5.5 hr Short day

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

Soil Temperature & Composting in O Brien

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

Quick context: Cold soil = stunted starts. A bean seed planted in 55°F soil rots before it germinates. Same seed in 65°F soil sprouts in 5 days. O Brien's soil temperature pattern shows you the difference month to month.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Apr through Nov.

Best Month to Compost

May

Microbial activity peaks when soil is warm.

Active Composting

10 months

Nearly year-round composting.

60°F 70°F 30° 50° 70° 90° 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 47°F 52°F 🐢 Slow ~24 weeks
Feb 48°F 51°F 🐢 Slow ~24 weeks
Mar 54°F 55°F ♻️ Active ~14 weeks
Apr 64°F 62°F ♻️ Active ~14 weeks
May 75°F 70°F 🔥 Peak ~8 weeks
Jun 84°F 78°F 🔥 Peak ~8 weeks
Jul 91°F 86°F 🔥 Peak ~8 weeks
Aug 91°F 89°F 🔥 Peak ~8 weeks
Sep 87°F 84°F 🔥 Peak ~8 weeks
Oct 74°F 78°F 🔥 Peak ~8 weeks
Nov 63°F 67°F ♻️ Active ~14 weeks
Dec 50°F 60°F ♻️ Active ~14 weeks

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

Pest & Disease Pressure in O Brien

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

For new gardeners: The most successful gardeners in high-pressure regions don't spray more — they design around the problem. Crop rotation, companion planting, and resistant varieties beat reactive spraying.

Insect Pest Pressure

7.9 / 10

High — expect multiple pest generations. Preventative measures essential.

Disease Risk

8.4 / 10

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

Seasonal Risk

Spring High
Summer High
Fall High
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Squash vine borers Moderate May, Jun, Jul
Stink bugs High Apr, May, Jun, Jul, Aug, Sep, Oct
Whiteflies Moderate May, Jun, Jul, Aug, Sep, Oct
Spider mites High Jun, Jul, Aug, Sep
Fire ants Low Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
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 O Brien

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

The practical takeaway: 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 O Brien, you can fit a cover crop into the gaps.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Mar 11 Sep 24 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Mar 10 Sep 24 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Mar 8 Sep 24 Massive biomass, breaks compaction, suppresses nematodes
White clover Feb 2 Oct 1 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers Mar 25 Oct 29 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Austrian winter peas Sep 28 Feb 11 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Sep 19 Feb 11 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Oct 16 Feb 11 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 31 Feb 11 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Oct 14 Feb 11 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Sep 6 Feb 11 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Aug 18 Feb 18 Erosion control, weed suppression, good biomass

Wind & Microclimate in O Brien

What this means for you: Wind affects three things gardeners forget: how fast soil dries (more wind = more watering), whether pollinators can work (calm beats gusty), and whether your trellised crops stay upright. O Brien sees 5.0 mph on average — a forgiving baseline.

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: 11 mph   Winter: 9 mph

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

Windbreak Benefit

5.1/10

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

Frost Pocket Risk

Low

Relatively flat terrain (25 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in O Brien

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

Why this matters: Rainwater is unchlorinated, unfluoridated, and at ambient temperature — plants actually prefer it. O Brien's 55" annual rainfall means even a small 50-gallon barrel catches enough for a few weeks of garden watering between storms.

Annual Collection

26,764 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 1,000 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 53.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 26,764 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
Share this guide:

🥬 Vegetables to Grow in O Brien

114 vegetables matched to Zone 9a with planting dates calibrated for O Brien.

Show all 114 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Feb 4 Mar 4 Mar 11 Jun 3 – Jul 8 80–100
Amaranth Jan 21 Mar 4 Mar 11 Jun 10 – Jul 29 90–120
Artichoke Mar 18 Jul 22 – Sep 30 120–180
Arugula Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – Jun 10 30–50
Asparagus Mar 18 730–1095
Beets Feb 11 Oct 1 Apr 8 – May 6 50–70
Belgian Endive Feb 4 Feb 11 Mar 4 Oct 1 Jun 24 – Aug 19 110–150
Bitter Melon Jan 21 Mar 4 Mar 11 May 13 – Jun 24 60–90
Black Beans Mar 11 Jun 10 – Jul 29 90–120
Bok Choy Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 20 40–60
Broccoli Feb 4 Feb 11 Mar 4 Oct 1 May 6 – Jun 17 60–90
Broccoli Rabe Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 20 40–60
Brussels Sprouts Feb 4 Feb 11 Mar 4 Oct 1 Jun 3 – Jul 29 90–130
Butternut Squash Feb 4 Mar 4 Mar 11 Jun 10 – Jul 15 85–110
Cabbage Feb 4 Feb 11 Mar 4 Oct 1 May 6 – Jul 1 60–100
Calabash Jan 21 Mar 4 Mar 11 Jun 3 – Jul 29 80–120
Cardoon Mar 18 Jul 22 – Sep 2 120–150
Carrots Feb 11 Oct 1 Apr 15 – May 20 60–80
Cauliflower Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jul 1 55–100
Celeriac Feb 4 Feb 11 Mar 4 Oct 1 Jun 17 – Jul 22 100–120
Celery Feb 4 Feb 11 Mar 4 Oct 1 May 27 – Jul 22 80–120
Celtuce Feb 4 Feb 11 Mar 4 Oct 1 May 6 – Jun 17 60–90
Chard Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jun 17 50–60
Chayote Jan 21 Mar 4 Mar 11 Jul 15 – Sep 23 120–180
Chickpeas Feb 4 Feb 11 Mar 4 Oct 1 May 27 – Jul 8 80–110
Chicory Feb 4 Feb 11 Mar 4 Oct 1 May 6 – Jun 17 60–85
Chinese Cabbage Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – May 27 50–70
Christmas Lima Beans Jan 21 Mar 4 Mar 11 Jun 3 – Jul 8 80–100
Collard Greens Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jul 1 55–75
Corn Mar 11 May 13 – Jul 8 60–100
Cowpeas Mar 11 May 13 – Jun 24 60–90
Cress Feb 4 Feb 11 Mar 4 Oct 1 Mar 18 – Apr 8 14–21
Crookneck Squash Feb 4 Mar 4 Mar 11 Apr 29 – May 27 45–60
Crosne Feb 11 Oct 1 Jul 15 – Sep 16 150–200
Cucumber Feb 4 Mar 4 Mar 11 May 6 – Jul 1 50–70
Daikon Feb 11 Oct 1 Apr 8 – May 6 50–70
Delicata Squash Feb 4 Mar 4 Mar 11 Jun 3 – Jul 8 80–100
Edamame Mar 11 May 27 – Jul 8 75–100
Eggplant Jan 21 Mar 4 Mar 11 May 20 – Jul 22 65–85
Endive Feb 4 Feb 11 Mar 4 Oct 1 Apr 22 – May 27 45–65
Escarole Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – May 27 50–70
Fava Beans Feb 4 Feb 11 Mar 4 Oct 1 May 20 – Jul 1 75–100
Fennel Jan 21 Mar 4 Mar 11 May 13 – Jun 24 60–90
Garlic Oct 15 Jan 14 – Jul 1 90–240
Ginger Jan 21 Mar 4 Mar 11 Nov 11 – Jan 6 240–300
Green Beans Mar 11 May 6 – Jul 1 50–65
Horseradish Mar 18 Jul 22 – Sep 30 120–180
Hot Peppers Jan 21 Mar 4 Mar 11 May 20 – Aug 26 70–120
Hubbard Squash Feb 4 Mar 4 Mar 11 Jun 24 – Jul 29 100–120
Jicama Jan 21 Mar 4 Mar 11 Jul 15 – Sep 23 120–180
Kabocha Feb 4 Mar 4 Mar 11 Jun 10 – Jul 8 85–100
Kai Lan Feb 4 Feb 11 Mar 4 Oct 1 Apr 22 – May 20 45–60
Kale Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jun 24 50–70
Kidney Beans Mar 11 Jun 10 – Jul 15 85–110
Kohlrabi Feb 4 Feb 11 Mar 4 Oct 1 Apr 22 – May 27 45–65
Komatsuna Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – May 13 35–50
Leeks Feb 4 Feb 11 Mar 4 Oct 1 Jun 3 – Aug 19 90–150
Lentils Feb 4 Feb 11 Mar 4 Oct 1 May 27 – Jul 8 80–110
Lettuce Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – Jun 17 30–60
Lima Beans Mar 11 May 13 – Jun 24 60–90
Loofah Jan 21 Mar 4 Mar 11 Jun 24 – Aug 26 100–150
Luffa Jan 21 Mar 4 Mar 11 Jun 10 – Aug 26 90–150
Mache Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 20 40–60
Malabar Spinach Jan 21 Mar 4 Mar 11 May 6 – Jun 3 55–70
Melon Feb 4 Mar 4 Mar 11 May 20 – Jul 8 70–100
Microgreens Feb 4 Feb 11 Mar 4 Oct 1 Mar 11 – Apr 8 7–21
Mitsuba Feb 4 Feb 11 Feb 25 Oct 1 Apr 22 – Jun 17 50–70
Mizuna Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – May 6 30–45
Mustard Greens Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – Jun 10 30–50
Napa Cabbage Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jun 3 55–75
New Zealand Spinach Jan 21 Mar 4 Mar 11 May 6 – Jun 3 55–70
Okra Jan 21 Mar 4 Mar 11 May 6 – Jul 1 50–65
Onion Feb 4 Feb 11 Mar 4 Oct 1 Jun 3 – Jul 22 90–120
Pac Choi Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 13 40–55
Parsnip Feb 11 Oct 1 May 27 – Jul 8 100–130
Patty Pan Squash Feb 4 Mar 4 Mar 11 Apr 29 – May 27 45–60
Peas Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jun 24 55–70
Peppers Jan 21 Mar 4 Mar 11 May 13 – Jul 22 60–90
Pole Beans Jan 21 Mar 4 Mar 11 May 6 – Jul 1 55–70
Potatoes Jan 21 Mar 4 Mar 11 May 20 – Jul 29 70–120
Pumpkin Feb 4 Mar 4 Mar 11 Jun 10 – Jul 29 85–120
Purslane Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 20 40–60
Radicchio Feb 4 Feb 11 Mar 4 Oct 1 May 6 – Jun 10 60–80
Radish Feb 11 Oct 1 Mar 11 – Apr 1 22–35
Romanesco Feb 4 Feb 11 Mar 4 Oct 1 May 20 – Jul 1 75–100
Rutabaga Feb 11 Oct 1 May 6 – Jun 10 80–100
Salsify Feb 11 Oct 1 May 27 – Jul 8 100–130
Savoy Cabbage Feb 4 Feb 11 Mar 4 Oct 1 May 13 – Jul 8 70–110
Scallions Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – May 27 50–70
Scarlet Runner Beans Jan 21 Mar 4 Mar 11 May 13 – Jun 17 60–80
Shallot Feb 4 Feb 11 Mar 4 Oct 1 Jun 3 – Jul 22 90–120
Shiso Jan 21 Mar 11 Mar 11 May 6 – Jul 1 50–70
Snap Peas Jan 21 Mar 4 Mar 11 May 6 – Jul 1 55–70
Snow Peas Feb 4 Feb 11 Mar 4 Oct 1 Apr 29 – Jun 24 50–65
Soybeans Mar 11 Jun 3 – Jul 29 80–120
Spaghetti Squash Feb 4 Mar 4 Mar 11 Jun 10 – Jul 8 85–100
Spinach Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – Jun 10 35–50
Squash (Summer) Feb 4 Mar 4 Mar 11 Apr 29 – Jul 1 45–65
Squash (Winter) Feb 4 Mar 4 Mar 11 Jun 3 – Jul 29 80–120
Sunchoke Mar 18 Jul 8 – Sep 2 110–150
Sweet Corn Mar 11 May 13 – Jun 24 60–90
Sweet Potatoes Jan 21 Mar 4 Mar 11 Jun 10 – Jul 29 90–120
Tatsoi Feb 4 Feb 11 Mar 4 Oct 1 Apr 8 – May 13 35–50
Tomatillo Jan 21 Mar 4 Mar 11 May 13 – Jul 22 60–85
Tomatoes Jan 21 Mar 4 Mar 11 May 13 – Jul 22 60–85
Turmeric Jan 21 Mar 4 Mar 11 Nov 11 – Jan 6 240–300
Turnip Feb 11 Oct 1 Mar 25 – Apr 29 40–60
Watercress Feb 4 Feb 11 Mar 4 Oct 1 Apr 15 – May 20 40–60
Watermelon Feb 4 Mar 4 Mar 11 May 20 – Jul 8 70–100
Wax Beans Mar 11 May 6 – Jul 1 50–65
Winter Melon Jan 21 Mar 4 Mar 11 Jun 10 – Jul 29 90–120
Yam Jan 21 Mar 4 Mar 11 Sep 9 – Jan 6 180–330
Yard Long Beans Jan 21 Mar 4 Mar 11 May 6 – Jun 17 55–80
Zucchini Feb 4 Mar 4 Mar 11 Apr 29 – Jun 24 45–60

🍓 Fruits to Grow in O Brien

24 fruits matched to Zone 9a with planting dates calibrated for O Brien.

Show all 24 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Mar 18 Jun 17 – Sep 30 90–180
Blackberries Mar 18 365–730
Boysenberries Mar 18 365–730
Cantaloupe Mar 18 May 27 – Jul 1 70–90
Che Fruit Mar 18 1095–1825
Dragon Fruit Mar 18 365–730
Elderberries Mar 18 730–1095
Figs Mar 18 730–1825
Goji Berries Mar 18 730–1095
Grapes Mar 18 730–1095
Ground Cherry Mar 18 May 27 – Jul 22 65–80
Guava Mar 18 365–730
Honeydew Mar 18 Jun 10 – Jul 22 80–110
Kiwi Mar 18 1095–1825
Loquat Mar 18 730–1825
Mulberries Mar 18 730–1825
Passion Fruit Mar 18 365–545
Pawpaw Mar 18 1095–2555
Persimmon Mar 18 1095–2555
Pomegranate Mar 18 730–1095
Quince Mar 18 1095–1825
Raspberries Mar 18 365–730
Serviceberries Mar 18 730–1095
Strawberries Mar 18 Jun 17 – Jan 13 90–365

🌿 Herbs to Grow in O Brien

37 herbs matched to Zone 9a with planting dates calibrated for O Brien.

Show all 37 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Anise Feb 4 Feb 11 Feb 25 Oct 1 May 27 – Aug 12 90–120
Basil Jan 21 Mar 11 Mar 11 May 6 – Jul 8 50–75
Bee Balm Mar 11 Jun 10 – Aug 26 90–120
Borage Feb 4 Feb 11 Feb 25 Oct 1 Apr 22 – Jun 10 50–60
Caraway Feb 4 Feb 11 Feb 25 Oct 1 365–450
Catnip Mar 11 May 13 – Jul 15 60–80
Chamomile Feb 4 Feb 11 Feb 25 Oct 1 Apr 29 – Jul 8 60–90
Chervil Feb 4 Feb 11 Feb 25 Oct 1 Apr 8 – Jun 10 40–60
Chives Mar 11 May 13 – Jul 22 60–90
Cilantro Feb 4 Feb 11 Feb 25 Oct 1 Apr 8 – Jun 10 40–60
Comfrey Mar 11 May 13 – Jul 22 60–90
Cumin Feb 4 Feb 11 Feb 25 Oct 1 Jun 10 – Aug 12 100–120
Dill Feb 4 Feb 11 Feb 25 Oct 1 Apr 8 – Jun 10 40–60
Epazote Jan 21 Mar 11 Mar 11 Apr 29 – Jun 24 45–60
Fennel (herb) Feb 4 Feb 11 Feb 25 Oct 1 Apr 29 – Jul 8 60–90
Feverfew Mar 11 Jun 10 – Aug 26 90–120
Garlic Chives Mar 11 May 13 – Jul 22 60–90
Horehound Mar 11 May 27 – Jul 22 75–90
Hyssop Mar 11 May 20 – Jul 22 70–90
Lemon Balm Mar 11 May 13 – Jul 1 60–70
Lemon Thyme Mar 11 May 20 – Jul 22 70–90
Lemon Verbena Jan 21 Mar 11 Mar 11 May 13 – Jul 22 60–90
Lemongrass Jan 21 Mar 11 Mar 11 May 27 – Aug 26 75–120
Marjoram Mar 11 May 13 – Jul 22 60–90
Mint Mar 11 May 13 – Jul 22 60–90
Oregano Mar 11 May 13 – Jul 22 60–90
Parsley Feb 4 Feb 11 Feb 25 Oct 1 Apr 29 – Jul 1 60–80
Rosemary Mar 11 Jun 3 – Oct 21 80–180
Rue Mar 11 May 20 – Jul 22 70–90
Sage Mar 11 May 27 – Jul 22 75–90
Savory Mar 11 May 6 – Jul 1 50–70
Sorrel Feb 4 Feb 11 Feb 25 Oct 1 Apr 8 – Jun 10 40–60
Stevia Jan 21 Mar 11 Mar 11 May 13 – Jul 22 60–90
Tarragon Mar 11 May 13 – Jul 22 60–90
Thai Basil Jan 21 Mar 11 Mar 11 May 6 – Jul 8 50–75
Thyme Mar 11 May 20 – Jul 22 70–90
Valerian Mar 11 Jul 15 – Oct 21 120–180

🌸 Flowers to Grow in O Brien

49 flowers matched to Zone 9a with planting dates calibrated for O Brien.

Show all 49 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Jan 21 Feb 18 Feb 18 Apr 15 – Sep 30 60–75
Alliums Oct 29 Nov 26 – Dec 17 28–42
Anemones Oct 1 Oct 8 – Nov 5 90–120
Bachelor's Button Jan 7 Feb 4 Sep 17 Apr 1 – Jul 22 60–90
Begonias Dec 24 Feb 11 Apr 22 – Oct 21 70–90
Black-eyed Susan Jan 7 Feb 18 Feb 18 Apr 29 – Sep 16 60–80
Bleeding Hearts Jan 7 Feb 18 Apr 8 – Apr 29 60–90
Calendula Jan 7 Feb 4 Sep 3 Mar 18 – Jul 22 50–70
California Poppy Sep 3 Nov 12 – Mar 18 60–90
Celosia Feb 4 Feb 18 Feb 18 Apr 22 – Oct 28 60–90
Columbine Jan 7 Feb 18 Feb 18 Apr 8 – Apr 29 70–100
Coreopsis Jan 7 Feb 18 Feb 18 Apr 15 – Sep 16 60–80
Cosmos Feb 4 Feb 4 Feb 4 Apr 15 – Sep 30 60–90
Daffodils Oct 29 Oct 15 – Nov 5 20–40
Dahlias Mar 4 Mar 4 May 13 – Nov 11 70–120
Daylily Jan 7 Feb 18 Apr 29 – Oct 14 60–90
Dianthus Jan 7 Jan 7 Jan 7 Feb 25 – Apr 29 60–80
Echinacea (Purple Coneflower) Jan 7 Feb 18 Feb 18 Apr 29 – Sep 16 70–90
Foxglove Jan 7 Feb 18 Feb 18 Apr 8 – Apr 29 80–120
Freesia Oct 15 Oct 29 – Nov 26 84–112
Gaillardia (Blanket Flower) Jan 21 Feb 18 Feb 18 Apr 29 – Oct 28 70–100
Geraniums Dec 24 Feb 11 Apr 22 – Oct 21 70–100
Gladiolus Mar 4 Mar 4 May 13 – Nov 11 70–100
Hostas Jan 7 Feb 18 Apr 29 – Aug 19 60–90
Hyacinths Oct 29 Oct 29 – Nov 19 14–28
Hydrangeas Jan 7 Feb 18 Apr 29 – Aug 19 90–150
Impatiens Jan 7 Feb 18 Apr 29 – Oct 14 60–75
Irises Division Feb 18 Apr 8 – May 13 60–100
Larkspur Sep 17 Nov 26 – Mar 18 60–90
Lavender Jan 7 Feb 18 Apr 29 – Aug 5 90–120
Lilies Division Feb 18 Apr 29 – Aug 5 70–120
Lobelia Jan 7 Jan 7 Mar 4 – Apr 1 70–80
Marigolds Jan 28 Feb 18 Feb 18 Apr 15 – Sep 16 50–70
Nasturtium Feb 4 Feb 11 Feb 11 Apr 8 – Oct 7 55–65
Pansy Dec 24 Feb 4 Sep 3 Mar 25 – Jun 24 70–90
Petunia Jan 7 Feb 18 Apr 29 – Sep 30 70–90
Phlox Jan 7 Feb 18 Feb 18 Apr 29 – Jun 24 80–110
Portulaca Feb 4 Feb 18 Feb 18 Apr 8 – Oct 14 50–70
Ranunculus Oct 1 Oct 15 – Nov 12 90–120
Roses Jan 7 Feb 18 Apr 29 – Oct 14 90–180
Salvia Jan 7 Feb 11 Apr 22 – Oct 7 70–90
Sedum (Stonecrop) Jan 7 Feb 18 Jun 10 – Aug 19 60–90
Snapdragon Jan 7 Feb 4 Sep 3 Apr 8 – Aug 5 70–100
Sunflower Feb 11 Feb 11 Feb 11 May 6 – Oct 7 70–100
Sweet Alyssum Jan 7 Feb 4 Sep 17 Mar 11 – Jun 24 45–60
Sweet Pea Sep 17 Nov 26 – Jan 21 65–85
Vinca (Annual) Dec 24 Feb 11 Apr 22 – Oct 21 70–90
Yarrow Jan 7 Feb 18 Feb 18 Apr 15 – Sep 2 60–90
Zinnia Feb 4 Feb 11 Feb 11 Apr 22 – Oct 7 60–70

Monthly Planting Guide for O Brien

ZIP Codes in O Brien

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 Suwannee County.

🌱

Your Suwannee County Garden Planner — Free

A 22-page printable planner built for Suwannee 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.

Instant PDF download. No spam, unsubscribe any time.

Best Seller
The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
See what's inside →
Reader favourite
Seed Saving & Storage Guide

Seed Saving & Storage Guide

$27 $157 value

Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.

  • 200 plants, step-by-step: life cycle, pollination type, isolation
  • Exact temperature + humidity ranges that keep seeds viable
  • Bonus: searchable Google Sheets tracker + custom GPT assistant
Save a lifetime of seed money →
Composting Guide for Homesteaders

Composting Guide for Homesteaders

$27 $210 value

Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.

  • 14 sections on composting methods, soil science, and troubleshooting
  • The 7-step hot-compost system from start to finish
  • Bonus tools: troubleshooting chart, safety guide, monitoring log
Start composting today →

Town-level data is aggregated from per-ZIP NOAA GHCN-D measurements (1 ZIP code in O Brien), 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: June 2026.