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Glynn County, GA — Planting Guide

Glynn County is in USDA Zone 9a. The average last spring frost is February 9 and the first fall frost is December 13, giving you a growing season of approximately 307 days.

At an elevation of 135 ft, Glynn County receives approximately 55.3 in of rainfall annually. Summer highs average 97°F with winter lows around 43°F. The predominant soil type is Sandy Loam.

🌡️ Zone

9a (20°F to 25°F min)

❄️ Last Frost

February 9

🍂 First Frost

December 13

📅 Growing Season

307 days

⛰️ Elevation

135 ft

🌧️ Annual Rainfall

55.3 in

Glynn County, GA Year-round
307 days
Last Spring Frost February 9
307 growing days
First Fall Frost December 13

Glynn County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Zone 9a Frost Countdown
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Last Frost: Feb 9 First Frost: Dec 13

Soil & Growing Conditions in Glynn County

Soil Type

Sandy Loam

Warms quickly and drains well. Add organic matter regularly to retain nutrients.

Watering Needs

With 55.3 inches of annual rainfall, supplemental watering is typically only needed during summer dry spells.

Season Tips

307-day frost-free season

Your long season supports multiple successions and heat-demanding crops like melons, sweet potatoes, and peppers. Plant warm-season crops as soon as soil warms.

Your Free Printable Garden Planner

Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.

Instant PDF download. No spam, unsubscribe any time.

Recommended for Your Garden

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Garden Shade Cloth $15-35

Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.

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Vermiculite $12-22

Retain moisture and nutrients in sandy soils with expanded vermiculite.

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Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

🥬 Vegetables to Grow in Glynn County

114 vegetables that grow well in Zone 9a with planting dates for Glynn County.

Show all 114 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Jan 12 Feb 9 Feb 16 May 11 – Jun 15 80–100
Amaranth Dec 29 Feb 9 Feb 16 May 18 – Jul 6 90–120
Artichoke Feb 23 Jun 29 – Sep 7 120–180
Arugula Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – May 18 30–50
Asparagus Feb 23 730–1095
Beets Jan 19 Oct 18 Mar 16 – Apr 13 50–70
Belgian Endive Jan 12 Jan 19 Feb 9 Oct 18 Jun 1 – Jul 27 110–150
Bitter Melon Dec 29 Feb 9 Feb 16 Apr 20 – Jun 1 60–90
Black Beans Feb 16 May 18 – Jul 6 90–120
Bok Choy Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 27 40–60
Broccoli Jan 12 Jan 19 Feb 9 Oct 18 Apr 13 – May 25 60–90
Broccoli Rabe Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 27 40–60
Brussels Sprouts Jan 12 Jan 19 Feb 9 Oct 18 May 11 – Jul 6 90–130
Butternut Squash Jan 12 Feb 9 Feb 16 May 18 – Jun 22 85–110
Cabbage Jan 12 Jan 19 Feb 9 Oct 18 Apr 13 – Jun 8 60–100
Calabash Dec 29 Feb 9 Feb 16 May 11 – Jul 6 80–120
Cardoon Feb 23 Jun 29 – Aug 10 120–150
Carrots Jan 19 Oct 18 Mar 23 – Apr 27 60–80
Cauliflower Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – Jun 8 55–100
Celeriac Jan 12 Jan 19 Feb 9 Oct 18 May 25 – Jun 29 100–120
Celery Jan 12 Jan 19 Feb 9 Oct 18 May 4 – Jun 29 80–120
Celtuce Jan 12 Jan 19 Feb 9 Oct 18 Apr 13 – May 25 60–90
Chard Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – May 25 50–60
Chayote Dec 29 Feb 9 Feb 16 Jun 22 – Aug 31 120–180
Chickpeas Jan 12 Jan 19 Feb 9 Oct 18 May 4 – Jun 15 80–110
Chicory Jan 12 Jan 19 Feb 9 Oct 18 Apr 13 – May 25 60–85
Chinese Cabbage Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – May 4 50–70
Christmas Lima Beans Dec 29 Feb 9 Feb 16 May 11 – Jun 15 80–100
Collard Greens Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – Jun 8 55–75
Corn Feb 16 Apr 20 – Jun 15 60–100
Cowpeas Feb 16 Apr 20 – Jun 1 60–90
Cress Jan 12 Jan 19 Feb 9 Oct 18 Feb 23 – Mar 16 14–21
Crookneck Squash Jan 12 Feb 9 Feb 16 Apr 6 – May 4 45–60
Crosne Jan 19 Oct 18 Jun 22 – Aug 24 150–200
Cucumber Jan 12 Feb 9 Feb 16 Apr 13 – Jun 8 50–70
Daikon Jan 19 Oct 18 Mar 16 – Apr 13 50–70
Delicata Squash Jan 12 Feb 9 Feb 16 May 11 – Jun 15 80–100
Edamame Feb 16 May 4 – Jun 15 75–100
Eggplant Dec 29 Feb 9 Feb 16 Apr 27 – Jun 29 65–85
Endive Jan 12 Jan 19 Feb 9 Oct 18 Mar 30 – May 4 45–65
Escarole Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – May 4 50–70
Fava Beans Jan 12 Jan 19 Feb 9 Oct 18 Apr 27 – Jun 8 75–100
Fennel Dec 29 Feb 9 Feb 16 Apr 20 – Jun 1 60–90
Garlic Nov 1 Jan 31 – Jul 18 90–240
Ginger Dec 29 Feb 9 Feb 16 Oct 19 – Dec 14 240–300
Green Beans Feb 16 Apr 13 – Jun 8 50–65
Horseradish Feb 23 Jun 29 – Sep 7 120–180
Hot Peppers Dec 29 Feb 9 Feb 16 Apr 27 – Aug 3 70–120
Hubbard Squash Jan 12 Feb 9 Feb 16 Jun 1 – Jul 6 100–120
Jicama Dec 29 Feb 9 Feb 16 Jun 22 – Aug 31 120–180
Kabocha Jan 12 Feb 9 Feb 16 May 18 – Jun 15 85–100
Kai Lan Jan 12 Jan 19 Feb 9 Oct 18 Mar 30 – Apr 27 45–60
Kale Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – Jun 1 50–70
Kidney Beans Feb 16 May 18 – Jun 22 85–110
Kohlrabi Jan 12 Jan 19 Feb 9 Oct 18 Mar 30 – May 4 45–65
Komatsuna Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – Apr 20 35–50
Leeks Jan 12 Jan 19 Feb 9 Oct 18 May 11 – Jul 27 90–150
Lentils Jan 12 Jan 19 Feb 9 Oct 18 May 4 – Jun 15 80–110
Lettuce Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – May 25 30–60
Lima Beans Feb 16 Apr 20 – Jun 1 60–90
Loofah Dec 29 Feb 9 Feb 16 Jun 1 – Aug 3 100–150
Luffa Dec 29 Feb 9 Feb 16 May 18 – Aug 3 90–150
Mache Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 27 40–60
Malabar Spinach Dec 29 Feb 9 Feb 16 Apr 13 – May 11 55–70
Melon Jan 12 Feb 9 Feb 16 Apr 27 – Jun 15 70–100
Microgreens Jan 12 Jan 19 Feb 9 Oct 18 Feb 16 – Mar 16 7–21
Mitsuba Jan 12 Jan 19 Feb 2 Oct 18 Mar 30 – May 25 50–70
Mizuna Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – Apr 13 30–45
Mustard Greens Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – May 18 30–50
Napa Cabbage Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – May 11 55–75
New Zealand Spinach Dec 29 Feb 9 Feb 16 Apr 13 – May 11 55–70
Okra Dec 29 Feb 9 Feb 16 Apr 13 – Jun 8 50–65
Onion Jan 12 Jan 19 Feb 9 Oct 18 May 11 – Jun 29 90–120
Pac Choi Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 20 40–55
Parsnip Jan 19 Oct 18 May 4 – Jun 15 100–130
Patty Pan Squash Jan 12 Feb 9 Feb 16 Apr 6 – May 4 45–60
Peas Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – Jun 1 55–70
Peppers Dec 29 Feb 9 Feb 16 Apr 20 – Jun 29 60–90
Pole Beans Dec 29 Feb 9 Feb 16 Apr 13 – Jun 8 55–70
Potatoes Dec 29 Feb 9 Feb 16 Apr 27 – Jul 6 70–120
Pumpkin Jan 12 Feb 9 Feb 16 May 18 – Jul 6 85–120
Purslane Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 27 40–60
Radicchio Jan 12 Jan 19 Feb 9 Oct 18 Apr 13 – May 18 60–80
Radish Jan 19 Oct 18 Feb 16 – Mar 9 22–35
Romanesco Jan 12 Jan 19 Feb 9 Oct 18 Apr 27 – Jun 8 75–100
Rutabaga Jan 19 Oct 18 Apr 13 – May 18 80–100
Salsify Jan 19 Oct 18 May 4 – Jun 15 100–130
Savoy Cabbage Jan 12 Jan 19 Feb 9 Oct 18 Apr 20 – Jun 15 70–110
Scallions Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – May 4 50–70
Scarlet Runner Beans Dec 29 Feb 9 Feb 16 Apr 20 – May 25 60–80
Shallot Jan 12 Jan 19 Feb 9 Oct 18 May 11 – Jun 29 90–120
Shiso Dec 29 Feb 16 Feb 16 Apr 13 – Jun 8 50–70
Snap Peas Dec 29 Feb 9 Feb 16 Apr 13 – Jun 8 55–70
Snow Peas Jan 12 Jan 19 Feb 9 Oct 18 Apr 6 – Jun 1 50–65
Soybeans Feb 16 May 11 – Jul 6 80–120
Spaghetti Squash Jan 12 Feb 9 Feb 16 May 18 – Jun 15 85–100
Spinach Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – May 18 35–50
Squash (Summer) Jan 12 Feb 9 Feb 16 Apr 6 – Jun 8 45–65
Squash (Winter) Jan 12 Feb 9 Feb 16 May 11 – Jul 6 80–120
Sunchoke Feb 23 Jun 15 – Aug 10 110–150
Sweet Corn Feb 16 Apr 20 – Jun 1 60–90
Sweet Potatoes Dec 29 Feb 9 Feb 16 May 18 – Jul 6 90–120
Tatsoi Jan 12 Jan 19 Feb 9 Oct 18 Mar 16 – Apr 20 35–50
Tomatillo Dec 29 Feb 9 Feb 16 Apr 20 – Jun 29 60–85
Tomatoes Dec 29 Feb 9 Feb 16 Apr 20 – Jun 29 60–85
Turmeric Dec 29 Feb 9 Feb 16 Oct 19 – Dec 14 240–300
Turnip Jan 19 Oct 18 Mar 2 – Apr 6 40–60
Watercress Jan 12 Jan 19 Feb 9 Oct 18 Mar 23 – Apr 27 40–60
Watermelon Jan 12 Feb 9 Feb 16 Apr 27 – Jun 15 70–100
Wax Beans Feb 16 Apr 13 – Jun 8 50–65
Winter Melon Dec 29 Feb 9 Feb 16 May 18 – Jul 6 90–120
Yam Dec 29 Feb 9 Feb 16 Aug 17 – Dec 14 180–330
Yard Long Beans Dec 29 Feb 9 Feb 16 Apr 13 – May 25 55–80
Zucchini Jan 12 Feb 9 Feb 16 Apr 6 – Jun 1 45–60

🍓 Fruits to Grow in Glynn County

24 fruits that grow well in Zone 9a with planting dates for Glynn County.

Show all 24 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Feb 23 May 25 – Sep 7 90–180
Blackberries Feb 23 365–730
Boysenberries Feb 23 365–730
Cantaloupe Feb 23 May 4 – Jun 8 70–90
Che Fruit Feb 23 1095–1825
Dragon Fruit Feb 23 365–730
Elderberries Feb 23 730–1095
Figs Feb 23 730–1825
Goji Berries Feb 23 730–1095
Grapes Feb 23 730–1095
Ground Cherry Feb 23 May 4 – Jun 29 65–80
Guava Feb 23 365–730
Honeydew Feb 23 May 18 – Jun 29 80–110
Kiwi Feb 23 1095–1825
Loquat Feb 23 730–1825
Mulberries Feb 23 730–1825
Passion Fruit Feb 23 365–545
Pawpaw Feb 23 1095–2555
Persimmon Feb 23 1095–2555
Pomegranate Feb 23 730–1095
Quince Feb 23 1095–1825
Raspberries Feb 23 365–730
Serviceberries Feb 23 730–1095
Strawberries Feb 23 May 25 – Dec 21 90–365

🌿 Herbs to Grow in Glynn County

37 herbs that grow well in Zone 9a with planting dates for Glynn County.

Show all 37 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Anise Jan 12 Jan 19 Feb 2 Oct 18 May 4 – Jul 20 90–120
Basil Dec 29 Feb 16 Feb 16 Apr 13 – Jun 15 50–75
Bee Balm Feb 16 May 18 – Aug 3 90–120
Borage Jan 12 Jan 19 Feb 2 Oct 18 Mar 30 – May 18 50–60
Caraway Jan 12 Jan 19 Feb 2 Oct 18 365–450
Catnip Feb 16 Apr 20 – Jun 22 60–80
Chamomile Jan 12 Jan 19 Feb 2 Oct 18 Apr 6 – Jun 15 60–90
Chervil Jan 12 Jan 19 Feb 2 Oct 18 Mar 16 – May 18 40–60
Chives Feb 16 Apr 20 – Jun 29 60–90
Cilantro Jan 12 Jan 19 Feb 2 Oct 18 Mar 16 – May 18 40–60
Comfrey Feb 16 Apr 20 – Jun 29 60–90
Cumin Jan 12 Jan 19 Feb 2 Oct 18 May 18 – Jul 20 100–120
Dill Jan 12 Jan 19 Feb 2 Oct 18 Mar 16 – May 18 40–60
Epazote Dec 29 Feb 16 Feb 16 Apr 6 – Jun 1 45–60
Fennel (herb) Jan 12 Jan 19 Feb 2 Oct 18 Apr 6 – Jun 15 60–90
Feverfew Feb 16 May 18 – Aug 3 90–120
Garlic Chives Feb 16 Apr 20 – Jun 29 60–90
Horehound Feb 16 May 4 – Jun 29 75–90
Hyssop Feb 16 Apr 27 – Jun 29 70–90
Lemon Balm Feb 16 Apr 20 – Jun 8 60–70
Lemon Thyme Feb 16 Apr 27 – Jun 29 70–90
Lemon Verbena Dec 29 Feb 16 Feb 16 Apr 20 – Jun 29 60–90
Lemongrass Dec 29 Feb 16 Feb 16 May 4 – Aug 3 75–120
Marjoram Feb 16 Apr 20 – Jun 29 60–90
Mint Feb 16 Apr 20 – Jun 29 60–90
Oregano Feb 16 Apr 20 – Jun 29 60–90
Parsley Jan 12 Jan 19 Feb 2 Oct 18 Apr 6 – Jun 8 60–80
Rosemary Feb 16 May 11 – Sep 28 80–180
Rue Feb 16 Apr 27 – Jun 29 70–90
Sage Feb 16 May 4 – Jun 29 75–90
Savory Feb 16 Apr 13 – Jun 8 50–70
Sorrel Jan 12 Jan 19 Feb 2 Oct 18 Mar 16 – May 18 40–60
Stevia Dec 29 Feb 16 Feb 16 Apr 20 – Jun 29 60–90
Tarragon Feb 16 Apr 20 – Jun 29 60–90
Thai Basil Dec 29 Feb 16 Feb 16 Apr 13 – Jun 15 50–75
Thyme Feb 16 Apr 27 – Jun 29 70–90
Valerian Feb 16 Jun 22 – Sep 28 120–180

🌸 Flowers to Grow in Glynn County

49 flowers that grow well in Zone 9a with planting dates for Glynn County.

Show all 49 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Dec 29 Jan 26 Jan 26 Mar 23 – Sep 7 60–75
Alliums Nov 15 Dec 13 – Jan 3 28–42
Anemones Oct 18 Oct 25 – Nov 22 90–120
Bachelor's Button Dec 15 Jan 12 Oct 4 Mar 9 – Jun 29 60–90
Begonias Dec 1 Jan 19 Mar 30 – Sep 28 70–90
Black-eyed Susan Dec 15 Jan 26 Jan 26 Apr 6 – Aug 24 60–80
Bleeding Hearts Dec 15 Jan 26 Mar 16 – Apr 6 60–90
Calendula Dec 15 Jan 12 Sep 20 Feb 23 – Jun 29 50–70
California Poppy Sep 20 Nov 29 – Apr 4 60–90
Celosia Jan 12 Jan 26 Jan 26 Mar 30 – Oct 5 60–90
Columbine Dec 15 Jan 26 Jan 26 Mar 16 – Apr 6 70–100
Coreopsis Dec 15 Jan 26 Jan 26 Mar 23 – Aug 24 60–80
Cosmos Jan 12 Jan 12 Jan 12 Mar 23 – Sep 7 60–90
Daffodils Nov 15 Nov 1 – Nov 22 20–40
Dahlias Feb 9 Feb 9 Apr 20 – Oct 19 70–120
Daylily Dec 15 Jan 26 Apr 6 – Sep 21 60–90
Dianthus Dec 15 Dec 15 Dec 15 Feb 2 – Apr 6 60–80
Echinacea (Purple Coneflower) Dec 15 Jan 26 Jan 26 Apr 6 – Aug 24 70–90
Foxglove Dec 15 Jan 26 Jan 26 Mar 16 – Apr 6 80–120
Freesia Nov 1 Nov 15 – Dec 13 84–112
Gaillardia (Blanket Flower) Dec 29 Jan 26 Jan 26 Apr 6 – Oct 5 70–100
Geraniums Dec 1 Jan 19 Mar 30 – Sep 28 70–100
Gladiolus Feb 9 Feb 9 Apr 20 – Oct 19 70–100
Hostas Dec 15 Jan 26 Apr 6 – Jul 27 60–90
Hyacinths Nov 15 Nov 15 – Dec 6 14–28
Hydrangeas Dec 15 Jan 26 Apr 6 – Jul 27 90–150
Impatiens Dec 15 Jan 26 Apr 6 – Sep 21 60–75
Irises Division Jan 26 Mar 16 – Apr 20 60–100
Larkspur Oct 4 Dec 13 – Apr 4 60–90
Lavender Dec 15 Jan 26 Apr 6 – Jul 13 90–120
Lilies Division Jan 26 Apr 6 – Jul 13 70–120
Lobelia Dec 15 Dec 15 Feb 9 – Mar 9 70–80
Marigolds Jan 5 Jan 26 Jan 26 Mar 23 – Aug 24 50–70
Nasturtium Jan 12 Jan 19 Jan 19 Mar 16 – Sep 14 55–65
Pansy Dec 1 Jan 12 Sep 20 Mar 2 – Jun 1 70–90
Petunia Dec 15 Jan 26 Apr 6 – Sep 7 70–90
Phlox Dec 15 Jan 26 Jan 26 Apr 6 – Jun 1 80–110
Portulaca Jan 12 Jan 26 Jan 26 Mar 16 – Sep 21 50–70
Ranunculus Oct 18 Nov 1 – Nov 29 90–120
Roses Dec 15 Jan 26 Apr 6 – Sep 21 90–180
Salvia Dec 15 Jan 19 Mar 30 – Sep 14 70–90
Sedum (Stonecrop) Dec 15 Jan 26 May 18 – Jul 27 60–90
Snapdragon Dec 15 Jan 12 Sep 20 Mar 16 – Jul 13 70–100
Sunflower Jan 19 Jan 19 Jan 19 Apr 13 – Sep 14 70–100
Sweet Alyssum Dec 15 Jan 12 Oct 4 Feb 16 – Jun 1 45–60
Sweet Pea Oct 4 Dec 13 – Feb 7 65–85
Vinca (Annual) Dec 1 Jan 19 Mar 30 – Sep 28 70–90
Yarrow Dec 15 Jan 26 Jan 26 Mar 23 – Aug 10 60–90
Zinnia Jan 12 Jan 19 Jan 19 Mar 30 – Sep 14 60–70

Monthly Planting Guide for Glynn County

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Glynn County, GA?

Glynn County is in USDA Hardiness Zone 9a. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.

When is the last frost in Glynn County, GA?

Based on 30 years of NOAA weather station data, the median last spring frost in Glynn County falls around February 9. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Glynn County, GA?

The median first fall frost in Glynn County arrives around December 13. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

🌱

Your Glynn County Garden Planner — Free

A 22-page printable planner built for Glynn 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.

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Composting Guide for Homesteaders

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.