Guernsey County, OH — Planting Guide
Guernsey County is in USDA Zone 6b. The average last spring frost is April 30 and the first fall frost is October 16, giving you a growing season of approximately 169 days.
At an elevation of 790 ft, Guernsey County receives approximately 30.2 in of rainfall annually. Summer highs average 91°F with winter lows around 26°F. The predominant soil type is Silt Loam.
🌡️ Zone
6b (-5°F to 0°F min)
❄️ Last Frost
April 30
🍂 First Frost
October 16
📅 Growing Season
169 days
⛰️ Elevation
790 ft
🌧️ Annual Rainfall
30.2 in
Guernsey County, OH
Moderate season
169 days
Last Spring Frost
April 30
➔
169 growing days
➔
First Fall Frost
October 16
Guernsey County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Zone 6b
Frost Countdown
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Last Frost: Apr 30
First Frost: Oct 16
Soil & Growing Conditions in Guernsey County
Soil Type
Silt Loam
Ideal for most crops — holds moisture and nutrients while draining well.
Watering Needs
Moderate rainfall (30.2 in.) — plan to water 1–2 times per week during the growing season.
Season Tips
169-day frost-free season
Start warm-season crops indoors and focus on short-season varieties. Cold frames extend your season by 3–4 weeks in fall.
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.
Recommended for Your Garden
Soil Test Kit
$12-25
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Digital pH Meter
$10-20
Get instant, accurate soil pH readings to fine-tune your amendments.
Organic Compost
$8-30
Boost soil fertility and structure with rich, well-aged organic compost.
🥬 Vegetables to Grow in Guernsey County
107 vegetables that grow well in Zone 6b with planting dates for Guernsey County.
Show all 107 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 26 | May 7 | May 14 | — | Aug 6 – Sep 10 | 80–100 |
| Amaranth | Mar 5 | May 7 | May 14 | — | Aug 13 – Oct 1 | 90–120 |
| Arugula | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Aug 6 | 30–50 |
| Asparagus | — | — | May 14 | — | — | 730–1095 |
| Beets | — | Apr 16 | — | Aug 7 | Jun 11 – Jul 9 | 50–70 |
| Belgian Endive | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Aug 20 – Oct 15 | 110–150 |
| Bitter Melon | Mar 5 | May 7 | May 14 | — | Jul 16 – Aug 27 | 60–90 |
| Black Beans | — | May 7 | — | — | Aug 6 – Sep 24 | 90–120 |
| Bok Choy | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 16 | 40–60 |
| Broccoli | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 2 – Aug 13 | 60–90 |
| Broccoli Rabe | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 16 | 40–60 |
| Brussels Sprouts | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 30 – Sep 24 | 90–130 |
| Butternut Squash | Mar 26 | May 7 | May 14 | — | Aug 13 – Sep 17 | 85–110 |
| Cabbage | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 2 – Aug 27 | 60–100 |
| Calabash | Mar 5 | May 7 | May 14 | — | Aug 6 – Oct 1 | 80–120 |
| Carrots | — | Apr 16 | — | Aug 7 | Jun 18 – Jul 23 | 60–80 |
| Cauliflower | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 27 | 55–100 |
| Celeriac | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Aug 13 – Sep 17 | 100–120 |
| Celery | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 23 – Sep 17 | 80–120 |
| Celtuce | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 2 – Aug 13 | 60–90 |
| Chard | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 13 | 50–60 |
| Chickpeas | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 23 – Sep 3 | 80–110 |
| Chicory | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 2 – Aug 13 | 60–85 |
| Chinese Cabbage | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Jul 23 | 50–70 |
| Christmas Lima Beans | Mar 5 | May 7 | May 14 | — | Aug 6 – Sep 10 | 80–100 |
| Collard Greens | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 27 | 55–75 |
| Corn | — | May 7 | — | — | Jul 9 – Sep 3 | 60–100 |
| Cowpeas | — | May 7 | — | — | Jul 9 – Aug 20 | 60–90 |
| Cress | Mar 26 | Apr 16 | Apr 30 | Aug 7 | May 14 – Jun 4 | 14–21 |
| Crookneck Squash | Mar 26 | May 7 | May 14 | — | Jul 2 – Jul 30 | 45–60 |
| Crosne | — | Apr 16 | — | Aug 7 | Sep 17 – Oct 29 | 150–200 |
| Cucumber | Mar 26 | May 7 | May 14 | — | Jul 9 – Sep 3 | 50–70 |
| Daikon | — | Apr 16 | — | Aug 7 | Jun 11 – Jul 9 | 50–70 |
| Delicata Squash | Mar 26 | May 7 | May 14 | — | Aug 6 – Sep 10 | 80–100 |
| Edamame | — | May 7 | — | — | Jul 23 – Sep 3 | 75–100 |
| Eggplant | Feb 19 | May 7 | May 14 | — | Jul 23 – Sep 24 | 65–85 |
| Endive | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 18 – Jul 23 | 45–65 |
| Escarole | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Jul 23 | 50–70 |
| Fava Beans | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 16 – Aug 27 | 75–100 |
| Fennel | Mar 5 | May 7 | May 14 | — | Jul 16 – Aug 27 | 60–90 |
| Garlic | — | — | — | Sep 4 | Dec 4 – Mar 19 | 90–240 |
| Green Beans | — | May 7 | — | — | Jul 2 – Aug 27 | 50–65 |
| Horseradish | — | — | May 14 | — | Sep 17 – Nov 26 | 120–180 |
| Hot Peppers | Feb 19 | May 7 | May 14 | — | Jul 23 – Oct 29 | 70–120 |
| Hubbard Squash | Mar 26 | May 7 | May 14 | — | Aug 27 – Oct 1 | 100–120 |
| Kabocha | Mar 26 | May 7 | May 14 | — | Aug 13 – Sep 10 | 85–100 |
| Kai Lan | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 18 – Jul 16 | 45–60 |
| Kale | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 20 | 50–70 |
| Kidney Beans | — | May 7 | — | — | Aug 6 – Sep 10 | 85–110 |
| Kohlrabi | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 18 – Jul 23 | 45–65 |
| Komatsuna | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Jul 9 | 35–50 |
| Leeks | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 30 – Oct 15 | 90–150 |
| Lentils | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 23 – Sep 3 | 80–110 |
| Lettuce | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Aug 13 | 30–60 |
| Lima Beans | — | May 7 | — | — | Jul 9 – Aug 20 | 60–90 |
| Loofah | Mar 5 | May 7 | May 14 | — | Aug 27 – Oct 29 | 100–150 |
| Luffa | Mar 5 | May 7 | May 14 | — | Aug 13 – Oct 29 | 90–150 |
| Mache | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 16 | 40–60 |
| Melon | Mar 26 | May 7 | May 14 | — | Jul 23 – Sep 10 | 70–100 |
| Microgreens | Mar 26 | Apr 16 | Apr 30 | Aug 7 | May 7 – Jun 4 | 7–21 |
| Mitsuba | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 18 – Aug 13 | 50–70 |
| Mizuna | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Jul 2 | 30–45 |
| Mustard Greens | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Aug 6 | 30–50 |
| Napa Cabbage | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Jul 30 | 55–75 |
| New Zealand Spinach | Mar 5 | May 7 | May 14 | — | Jul 9 – Aug 6 | 55–70 |
| Okra | Mar 5 | May 7 | May 14 | — | Jul 9 – Sep 3 | 50–65 |
| Onion | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 30 – Sep 17 | 90–120 |
| Pac Choi | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 9 | 40–55 |
| Parsnip | — | Apr 16 | — | Aug 7 | Jul 30 – Sep 10 | 100–130 |
| Patty Pan Squash | Mar 26 | May 7 | May 14 | — | Jul 2 – Jul 30 | 45–60 |
| Peas | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 20 | 55–70 |
| Peppers | Feb 19 | May 7 | May 14 | — | Jul 16 – Sep 24 | 60–90 |
| Pole Beans | Mar 5 | May 7 | May 14 | — | Jul 9 – Sep 3 | 55–70 |
| Potatoes | Mar 5 | May 7 | May 14 | — | Jul 23 – Oct 1 | 70–120 |
| Pumpkin | Mar 26 | May 7 | May 14 | — | Aug 13 – Oct 1 | 85–120 |
| Purslane | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 16 | 40–60 |
| Radicchio | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 2 – Aug 6 | 60–80 |
| Radish | — | Apr 16 | — | Aug 7 | May 14 – Jun 4 | 22–35 |
| Rhubarb | — | — | May 21 | — | — | 365–730 |
| Romanesco | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 16 – Aug 27 | 75–100 |
| Rutabaga | — | Apr 16 | — | Aug 7 | Jul 9 – Aug 13 | 80–100 |
| Salsify | — | Apr 16 | — | Aug 7 | Jul 30 – Sep 10 | 100–130 |
| Savoy Cabbage | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 9 – Sep 3 | 70–110 |
| Scallions | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Jul 23 | 50–70 |
| Scarlet Runner Beans | Mar 5 | May 7 | May 14 | — | Jul 16 – Aug 20 | 60–80 |
| Shallot | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jul 30 – Sep 17 | 90–120 |
| Shiso | Mar 12 | May 7 | May 14 | — | Jul 9 – Sep 3 | 50–70 |
| Snap Peas | Mar 5 | May 7 | May 14 | — | Jul 9 – Sep 3 | 55–70 |
| Snow Peas | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 25 – Aug 20 | 50–65 |
| Soybeans | — | May 7 | — | — | Jul 30 – Sep 24 | 80–120 |
| Spaghetti Squash | Mar 26 | May 7 | May 14 | — | Aug 13 – Sep 10 | 85–100 |
| Spinach | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Aug 6 | 35–50 |
| Squash (Summer) | Mar 26 | May 7 | May 14 | — | Jul 2 – Sep 3 | 45–65 |
| Squash (Winter) | Mar 26 | May 7 | May 14 | — | Aug 6 – Oct 1 | 80–120 |
| Sunchoke | — | — | May 14 | — | Sep 3 – Oct 29 | 110–150 |
| Sweet Corn | — | May 7 | — | — | Jul 9 – Aug 20 | 60–90 |
| Sweet Potatoes | Mar 5 | May 7 | May 14 | — | Aug 13 – Oct 1 | 90–120 |
| Tatsoi | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 4 – Jul 9 | 35–50 |
| Tomatillo | Mar 5 | May 7 | May 14 | — | Jul 16 – Sep 24 | 60–85 |
| Tomatoes | Mar 5 | May 7 | May 14 | — | Jul 16 – Sep 24 | 60–85 |
| Turnip | — | Apr 16 | — | Aug 7 | May 28 – Jul 2 | 40–60 |
| Watercress | Mar 26 | Apr 16 | Apr 30 | Aug 7 | Jun 11 – Jul 16 | 40–60 |
| Watermelon | Mar 26 | May 7 | May 14 | — | Jul 23 – Sep 10 | 70–100 |
| Wax Beans | — | May 7 | — | — | Jul 2 – Aug 27 | 50–65 |
| Winter Melon | Mar 5 | May 7 | May 14 | — | Aug 13 – Oct 1 | 90–120 |
| Yard Long Beans | Mar 5 | May 7 | May 14 | — | Jul 9 – Aug 20 | 55–80 |
| Zucchini | Mar 26 | May 7 | May 14 | — | Jul 2 – Aug 27 | 45–60 |
🍓 Fruits to Grow in Guernsey County
27 fruits that grow well in Zone 6b with planting dates for Guernsey County.
Show all 27 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 21 | — | Aug 20 – Dec 3 | 90–180 |
| Aronia | — | — | May 21 | — | — | 730–1095 |
| Blackberries | — | — | May 21 | — | — | 365–730 |
| Blueberries | — | — | May 21 | — | — | 730–1095 |
| Boysenberries | — | — | May 21 | — | — | 365–730 |
| Cantaloupe | — | — | May 21 | — | Jul 30 – Sep 3 | 70–90 |
| Che Fruit | — | — | May 21 | — | — | 1095–1825 |
| Cranberries | — | — | May 21 | — | — | 730–1095 |
| Currants | — | — | May 21 | — | — | 730–1095 |
| Elderberries | — | — | May 21 | — | — | 730–1095 |
| Goji Berries | — | — | May 21 | — | — | 730–1095 |
| Gooseberries | — | — | May 21 | — | — | 730–1095 |
| Grapes | — | — | May 21 | — | — | 730–1095 |
| Ground Cherry | — | — | May 21 | — | Jul 30 – Sep 24 | 65–80 |
| Hardy Kiwi | — | — | May 21 | — | — | 1095–1825 |
| Haskaps | — | — | May 21 | — | — | 730–1095 |
| Honeydew | — | — | May 21 | — | Aug 13 – Sep 24 | 80–110 |
| Jostaberry | — | — | May 21 | — | — | 730–1095 |
| Lingonberries | — | — | May 21 | — | — | 730–1095 |
| Medlar | — | — | May 21 | — | — | 1095–1825 |
| Mulberries | — | — | May 21 | — | — | 730–1825 |
| Pawpaw | — | — | May 21 | — | — | 1095–2555 |
| Persimmon | — | — | May 21 | — | — | 1095–2555 |
| Quince | — | — | May 21 | — | — | 1095–1825 |
| Raspberries | — | — | May 21 | — | — | 365–730 |
| Serviceberries | — | — | May 21 | — | — | 730–1095 |
| Strawberries | — | — | May 21 | — | Aug 20 – Dec 3 | 90–365 |
🌿 Herbs to Grow in Guernsey County
35 herbs that grow well in Zone 6b with planting dates for Guernsey County.
Show all 35 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 26 | Apr 16 | Apr 23 | Aug 7 | — | 365–730 |
| Anise | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jul 23 – Oct 8 | 90–120 |
| Basil | Mar 12 | May 7 | May 14 | — | Jul 9 – Sep 10 | 50–75 |
| Bee Balm | — | — | May 7 | — | Aug 6 – Oct 22 | 90–120 |
| Borage | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 18 – Aug 6 | 50–60 |
| Caraway | Mar 26 | Apr 16 | Apr 23 | Aug 7 | — | 365–450 |
| Catnip | — | — | May 7 | — | Jul 9 – Sep 10 | 60–80 |
| Chamomile | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 25 – Sep 3 | 60–90 |
| Chervil | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 4 – Aug 6 | 40–60 |
| Chives | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Cilantro | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 4 – Aug 6 | 40–60 |
| Comfrey | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Cumin | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Aug 6 – Oct 8 | 100–120 |
| Dill | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 4 – Aug 6 | 40–60 |
| Epazote | Mar 12 | May 7 | May 14 | — | Jul 2 – Aug 27 | 45–60 |
| Fennel (herb) | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 25 – Sep 3 | 60–90 |
| Feverfew | — | — | May 7 | — | Aug 6 – Oct 22 | 90–120 |
| Garlic Chives | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Horehound | — | — | May 7 | — | Jul 23 – Sep 17 | 75–90 |
| Hyssop | — | — | May 7 | — | Jul 16 – Sep 17 | 70–90 |
| Lemon Balm | — | — | May 7 | — | Jul 9 – Aug 27 | 60–70 |
| Lemon Thyme | — | — | May 7 | — | Jul 16 – Sep 17 | 70–90 |
| Lovage | — | — | May 7 | — | Jul 16 – Sep 17 | 70–90 |
| Marjoram | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Mint | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Oregano | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Parsley | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 25 – Aug 27 | 60–80 |
| Rue | — | — | May 7 | — | Jul 16 – Sep 17 | 70–90 |
| Sage | — | — | May 7 | — | Jul 23 – Sep 17 | 75–90 |
| Savory | — | — | May 7 | — | Jul 2 – Aug 27 | 50–70 |
| Sorrel | Mar 26 | Apr 16 | Apr 23 | Aug 7 | Jun 4 – Aug 6 | 40–60 |
| Tarragon | — | — | May 7 | — | Jul 9 – Sep 17 | 60–90 |
| Thai Basil | Mar 12 | May 7 | May 14 | — | Jul 9 – Sep 10 | 50–75 |
| Thyme | — | — | May 7 | — | Jul 16 – Sep 17 | 70–90 |
| Valerian | — | — | May 7 | — | Sep 10 – Nov 19 | 120–180 |
🌸 Flowers to Grow in Guernsey County
53 flowers that grow well in Zone 6b with planting dates for Guernsey County.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 12 | Apr 30 | Apr 30 | — | Jun 25 – Oct 8 | 60–75 |
| Alliums | — | — | — | Sep 4 | Oct 2 – Oct 30 | 28–42 |
| Anemones | Apr 2 | — | Apr 30 | — | May 28 – Jun 25 | 90–120 |
| Astilbe | Feb 26 | — | May 7 | — | Jul 16 – Sep 24 | 70–100 |
| Bachelor's Button | Mar 19 | Apr 2 | Apr 30 | Sep 4 | Jul 2 – Sep 24 | 60–90 |
| Begonias | Feb 19 | — | May 7 | — | Jul 16 – Oct 22 | 70–90 |
| Black-eyed Susan | Feb 26 | Apr 30 | May 7 | — | Jul 23 – Nov 12 | 60–80 |
| Bleeding Hearts | Feb 26 | — | May 7 | — | Jul 2 – Aug 6 | 60–90 |
| Calendula | Mar 19 | Apr 2 | Apr 30 | — | Jun 18 – Sep 24 | 50–70 |
| California Poppy | — | Apr 2 | — | — | Jun 11 – Aug 6 | 60–90 |
| Celosia | Mar 26 | May 7 | May 7 | — | Jul 9 – Oct 29 | 60–90 |
| Columbine | Feb 26 | May 7 | May 7 | — | Jul 2 – Aug 6 | 70–100 |
| Coreopsis | Feb 26 | Apr 30 | May 7 | — | Jul 16 – Nov 12 | 60–80 |
| Cosmos | Apr 2 | Apr 30 | Apr 30 | — | Jul 9 – Oct 22 | 60–90 |
| Crocus | — | — | — | Sep 4 | Jul 24 – Aug 14 | 10–20 |
| Daffodils | — | — | — | Sep 4 | Jul 31 – Aug 21 | 20–40 |
| Dahlias | Apr 2 | May 7 | May 7 | — | Jul 23 – Nov 12 | 70–120 |
| Daylily | Feb 26 | — | May 7 | — | Jul 23 – Nov 12 | 60–90 |
| Dianthus | Mar 5 | Apr 2 | Apr 9 | — | May 28 – Aug 27 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 26 | May 7 | May 7 | — | Jul 23 – Nov 12 | 70–90 |
| Foxglove | Feb 26 | May 7 | May 7 | — | Jul 2 – Aug 6 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 12 | May 7 | May 7 | — | Jul 16 – Nov 19 | 70–100 |
| Geraniums | Feb 19 | — | May 7 | — | Jul 16 – Oct 22 | 70–100 |
| Gladiolus | — | Apr 30 | Apr 30 | — | Jul 16 – Nov 5 | 70–100 |
| Hostas | Feb 19 | — | May 7 | — | Jul 23 – Nov 12 | 60–90 |
| Hyacinths | — | — | — | Sep 4 | Aug 21 – Sep 11 | 14–28 |
| Hydrangeas | Feb 19 | — | May 7 | — | Jul 16 – Oct 29 | 90–150 |
| Impatiens | Mar 5 | — | May 7 | — | Jul 16 – Oct 29 | 60–75 |
| Irises | — | Division | May 7 | — | Jul 2 – Jul 30 | 60–100 |
| Larkspur | — | Apr 2 | — | — | Jun 11 – Aug 6 | 60–90 |
| Lavender | Feb 19 | — | May 14 | — | Jul 23 – Sep 17 | 90–120 |
| Lilies | — | Division | May 7 | — | Jul 16 – Oct 22 | 70–120 |
| Lobelia | Feb 26 | — | Apr 16 | — | Jun 11 – Sep 3 | 70–80 |
| Lupine | Feb 26 | May 7 | May 7 | — | Jul 2 – Aug 6 | 75–100 |
| Marigolds | Mar 19 | Apr 30 | Apr 30 | — | Jun 25 – Oct 1 | 50–70 |
| Nasturtium | Apr 2 | Apr 30 | Apr 30 | — | Jun 25 – Oct 22 | 55–65 |
| Pansy | Feb 19 | — | Apr 30 | Aug 21 | Jun 25 – Sep 3 | 70–90 |
| Peonies | — | Division | May 7 | — | Jul 9 – Aug 13 | 90–120 |
| Petunia | Mar 5 | — | May 7 | — | Jul 16 – Oct 29 | 70–90 |
| Phlox | Feb 26 | May 7 | May 7 | — | Jul 16 – Oct 8 | 80–110 |
| Portulaca | Mar 26 | May 7 | May 7 | — | Jun 25 – Oct 15 | 50–70 |
| Ranunculus | Mar 19 | — | Apr 30 | — | Jun 4 – Jul 2 | 90–120 |
| Roses | Feb 19 | — | May 7 | — | Jul 16 – Nov 12 | 90–180 |
| Salvia | Feb 26 | — | Apr 30 | — | Jul 9 – Oct 22 | 70–90 |
| Sedum (Stonecrop) | Feb 26 | — | May 7 | — | Aug 27 – Nov 19 | 60–90 |
| Snapdragon | Feb 19 | Apr 9 | Apr 30 | — | Jul 9 – Sep 24 | 70–100 |
| Sunflower | Apr 9 | Apr 30 | Apr 30 | — | Jul 23 – Oct 22 | 70–100 |
| Sweet Alyssum | Mar 19 | Apr 9 | Apr 30 | — | Jun 11 – Aug 27 | 45–60 |
| Sweet Pea | Mar 19 | Mar 26 | Apr 30 | — | Jul 16 – Sep 24 | 65–85 |
| Tulips | — | — | — | Sep 11 | Aug 21 – Sep 18 | 15–30 |
| Vinca (Annual) | Feb 19 | — | May 7 | — | Jul 16 – Oct 29 | 70–90 |
| Yarrow | Feb 26 | Apr 30 | May 7 | — | Jul 16 – Nov 12 | 60–90 |
| Zinnia | Apr 2 | Apr 30 | Apr 30 | — | Jul 9 – Oct 15 | 60–70 |
Monthly Planting Guide for Guernsey County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Guernsey County.
Frequently Asked Questions
What planting zone is Guernsey County, OH?
Guernsey County is in USDA Hardiness Zone 6b. 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 Guernsey County, OH?
Based on 30 years of NOAA weather station data, the median last spring frost in Guernsey County falls around April 30. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in Guernsey County, OH?
The median first fall frost in Guernsey County arrives around October 16. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your Guernsey County Garden Planner — Free
A 22-page printable planner built for Guernsey County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.
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
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
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