Clinton County, IN — Planting Guide
Clinton County is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 17, giving you a growing season of approximately 178 days.
At an elevation of 1,116 ft, Clinton County receives approximately 39.8 in of rainfall annually. Summer highs average 86°F with winter lows around 20°F. The predominant soil type is Silt Loam.
🌡️ Zone
6a (-10°F to -5°F min)
❄️ Last Frost
April 22
🍂 First Frost
October 17
📅 Growing Season
178 days
⛰️ Elevation
1,116 ft
🌧️ Annual Rainfall
39.8 in
Clinton County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Soil & Growing Conditions in Clinton County
Soil Type
Silt Loam
Ideal for most crops — holds moisture and nutrients while draining well.
Watering Needs
Moderate rainfall (39.8 in.) — plan to water 1–2 times per week during the growing season.
Season Tips
178-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
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Get instant, accurate soil pH readings to fine-tune your amendments.
Boost soil fertility and structure with rich, well-aged organic compost.
🥬 Vegetables to Grow in Clinton County
107 vegetables that grow well in Zone 6a with planting dates for Clinton County.
Show all 107 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 18 | Apr 29 | May 6 | — | Jul 29 – Sep 2 | 80–100 |
| Amaranth | Feb 25 | Apr 29 | May 6 | — | Aug 5 – Sep 23 | 90–120 |
| Arugula | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jul 29 | 30–50 |
| Asparagus | — | — | May 6 | — | — | 730–1095 |
| Beets | — | Apr 8 | — | Aug 8 | Jun 3 – Jul 1 | 50–70 |
| Belgian Endive | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Aug 12 – Oct 7 | 110–150 |
| Bitter Melon | Feb 25 | Apr 29 | May 6 | — | Jul 8 – Aug 19 | 60–90 |
| Black Beans | — | Apr 29 | — | — | Jul 29 – Sep 16 | 90–120 |
| Bok Choy | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 8 | 40–60 |
| Broccoli | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 24 – Aug 5 | 60–90 |
| Broccoli Rabe | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 8 | 40–60 |
| Brussels Sprouts | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 22 – Sep 16 | 90–130 |
| Butternut Squash | Mar 18 | Apr 29 | May 6 | — | Aug 5 – Sep 9 | 85–110 |
| Cabbage | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 24 – Aug 19 | 60–100 |
| Calabash | Feb 25 | Apr 29 | May 6 | — | Jul 29 – Sep 23 | 80–120 |
| Carrots | — | Apr 8 | — | Aug 8 | Jun 10 – Jul 15 | 60–80 |
| Cauliflower | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 19 | 55–100 |
| Celeriac | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Aug 5 – Sep 9 | 100–120 |
| Celery | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 15 – Sep 9 | 80–120 |
| Celtuce | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 24 – Aug 5 | 60–90 |
| Chard | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 5 | 50–60 |
| Chickpeas | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 15 – Aug 26 | 80–110 |
| Chicory | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 24 – Aug 5 | 60–85 |
| Chinese Cabbage | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Jul 15 | 50–70 |
| Christmas Lima Beans | Feb 25 | Apr 29 | May 6 | — | Jul 29 – Sep 2 | 80–100 |
| Collard Greens | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 19 | 55–75 |
| Corn | — | Apr 29 | — | — | Jul 1 – Aug 26 | 60–100 |
| Cowpeas | — | Apr 29 | — | — | Jul 1 – Aug 12 | 60–90 |
| Cress | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 6 – May 27 | 14–21 |
| Crookneck Squash | Mar 18 | Apr 29 | May 6 | — | Jun 24 – Jul 22 | 45–60 |
| Crosne | — | Apr 8 | — | Aug 8 | Sep 9 – Oct 21 | 150–200 |
| Cucumber | Mar 18 | Apr 29 | May 6 | — | Jul 1 – Aug 26 | 50–70 |
| Daikon | — | Apr 8 | — | Aug 8 | Jun 3 – Jul 1 | 50–70 |
| Delicata Squash | Mar 18 | Apr 29 | May 6 | — | Jul 29 – Sep 2 | 80–100 |
| Edamame | — | Apr 29 | — | — | Jul 15 – Aug 26 | 75–100 |
| Eggplant | Feb 11 | Apr 29 | May 6 | — | Jul 15 – Sep 16 | 65–85 |
| Endive | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 10 – Jul 15 | 45–65 |
| Escarole | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Jul 15 | 50–70 |
| Fava Beans | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 8 – Aug 19 | 75–100 |
| Fennel | Feb 25 | Apr 29 | May 6 | — | Jul 8 – Aug 19 | 60–90 |
| Garlic | — | — | — | Sep 5 | Dec 5 – Mar 20 | 90–240 |
| Green Beans | — | Apr 29 | — | — | Jun 24 – Aug 19 | 50–65 |
| Horseradish | — | — | May 6 | — | Sep 9 – Nov 18 | 120–180 |
| Hot Peppers | Feb 11 | Apr 29 | May 6 | — | Jul 15 – Oct 21 | 70–120 |
| Hubbard Squash | Mar 18 | Apr 29 | May 6 | — | Aug 19 – Sep 23 | 100–120 |
| Kabocha | Mar 18 | Apr 29 | May 6 | — | Aug 5 – Sep 2 | 85–100 |
| Kai Lan | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 10 – Jul 8 | 45–60 |
| Kale | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 12 | 50–70 |
| Kidney Beans | — | Apr 29 | — | — | Jul 29 – Sep 2 | 85–110 |
| Kohlrabi | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 10 – Jul 15 | 45–65 |
| Komatsuna | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jul 1 | 35–50 |
| Leeks | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 22 – Oct 7 | 90–150 |
| Lentils | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 15 – Aug 26 | 80–110 |
| Lettuce | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Aug 5 | 30–60 |
| Lima Beans | — | Apr 29 | — | — | Jul 1 – Aug 12 | 60–90 |
| Loofah | Feb 25 | Apr 29 | May 6 | — | Aug 19 – Oct 21 | 100–150 |
| Luffa | Feb 25 | Apr 29 | May 6 | — | Aug 5 – Oct 21 | 90–150 |
| Mache | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 8 | 40–60 |
| Melon | Mar 18 | Apr 29 | May 6 | — | Jul 15 – Sep 2 | 70–100 |
| Microgreens | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Apr 29 – May 27 | 7–21 |
| Mitsuba | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jun 10 – Aug 5 | 50–70 |
| Mizuna | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jun 24 | 30–45 |
| Mustard Greens | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jul 29 | 30–50 |
| Napa Cabbage | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Jul 22 | 55–75 |
| New Zealand Spinach | Feb 25 | Apr 29 | May 6 | — | Jul 1 – Jul 29 | 55–70 |
| Okra | Feb 25 | Apr 29 | May 6 | — | Jul 1 – Aug 26 | 50–65 |
| Onion | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 22 – Sep 9 | 90–120 |
| Pac Choi | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 1 | 40–55 |
| Parsnip | — | Apr 8 | — | Aug 8 | Jul 22 – Sep 2 | 100–130 |
| Patty Pan Squash | Mar 18 | Apr 29 | May 6 | — | Jun 24 – Jul 22 | 45–60 |
| Peas | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 12 | 55–70 |
| Peppers | Feb 11 | Apr 29 | May 6 | — | Jul 8 – Sep 16 | 60–90 |
| Pole Beans | Feb 25 | Apr 29 | May 6 | — | Jul 1 – Aug 26 | 55–70 |
| Potatoes | Feb 25 | Apr 29 | May 6 | — | Jul 15 – Sep 23 | 70–120 |
| Pumpkin | Mar 18 | Apr 29 | May 6 | — | Aug 5 – Sep 23 | 85–120 |
| Purslane | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 8 | 40–60 |
| Radicchio | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 24 – Jul 29 | 60–80 |
| Radish | — | Apr 8 | — | Aug 8 | May 6 – May 27 | 22–35 |
| Rhubarb | — | — | May 13 | — | — | 365–730 |
| Romanesco | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 8 – Aug 19 | 75–100 |
| Rutabaga | — | Apr 8 | — | Aug 8 | Jul 1 – Aug 5 | 80–100 |
| Salsify | — | Apr 8 | — | Aug 8 | Jul 22 – Sep 2 | 100–130 |
| Savoy Cabbage | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 1 – Aug 26 | 70–110 |
| Scallions | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Jul 15 | 50–70 |
| Scarlet Runner Beans | Feb 25 | Apr 29 | May 6 | — | Jul 8 – Aug 12 | 60–80 |
| Shallot | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jul 22 – Sep 9 | 90–120 |
| Shiso | Mar 4 | Apr 29 | May 6 | — | Jul 1 – Aug 26 | 50–70 |
| Snap Peas | Feb 25 | Apr 29 | May 6 | — | Jul 1 – Aug 26 | 55–70 |
| Snow Peas | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 17 – Aug 12 | 50–65 |
| Soybeans | — | Apr 29 | — | — | Jul 22 – Sep 16 | 80–120 |
| Spaghetti Squash | Mar 18 | Apr 29 | May 6 | — | Aug 5 – Sep 2 | 85–100 |
| Spinach | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jul 29 | 35–50 |
| Squash (Summer) | Mar 18 | Apr 29 | May 6 | — | Jun 24 – Aug 26 | 45–65 |
| Squash (Winter) | Mar 18 | Apr 29 | May 6 | — | Jul 29 – Sep 23 | 80–120 |
| Sunchoke | — | — | May 6 | — | Aug 26 – Oct 21 | 110–150 |
| Sweet Corn | — | Apr 29 | — | — | Jul 1 – Aug 12 | 60–90 |
| Sweet Potatoes | Feb 25 | Apr 29 | May 6 | — | Aug 5 – Sep 23 | 90–120 |
| Tatsoi | Mar 18 | Apr 8 | Apr 22 | Aug 8 | May 27 – Jul 1 | 35–50 |
| Tomatillo | Feb 25 | Apr 29 | May 6 | — | Jul 8 – Sep 16 | 60–85 |
| Tomatoes | Feb 25 | Apr 29 | May 6 | — | Jul 8 – Sep 16 | 60–85 |
| Turnip | — | Apr 8 | — | Aug 8 | May 20 – Jun 24 | 40–60 |
| Watercress | Mar 18 | Apr 8 | Apr 22 | Aug 8 | Jun 3 – Jul 8 | 40–60 |
| Watermelon | Mar 18 | Apr 29 | May 6 | — | Jul 15 – Sep 2 | 70–100 |
| Wax Beans | — | Apr 29 | — | — | Jun 24 – Aug 19 | 50–65 |
| Winter Melon | Feb 25 | Apr 29 | May 6 | — | Aug 5 – Sep 23 | 90–120 |
| Yard Long Beans | Feb 25 | Apr 29 | May 6 | — | Jul 1 – Aug 12 | 55–80 |
| Zucchini | Mar 18 | Apr 29 | May 6 | — | Jun 24 – Aug 19 | 45–60 |
🍓 Fruits to Grow in Clinton County
27 fruits that grow well in Zone 6a with planting dates for Clinton County.
Show all 27 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 13 | — | Aug 12 – Nov 25 | 90–180 |
| Aronia | — | — | May 13 | — | — | 730–1095 |
| Blackberries | — | — | May 13 | — | — | 365–730 |
| Blueberries | — | — | May 13 | — | — | 730–1095 |
| Boysenberries | — | — | May 13 | — | — | 365–730 |
| Cantaloupe | — | — | May 13 | — | Jul 22 – Aug 26 | 70–90 |
| Che Fruit | — | — | May 13 | — | — | 1095–1825 |
| Cranberries | — | — | May 13 | — | — | 730–1095 |
| Currants | — | — | May 13 | — | — | 730–1095 |
| Elderberries | — | — | May 13 | — | — | 730–1095 |
| Goji Berries | — | — | May 13 | — | — | 730–1095 |
| Gooseberries | — | — | May 13 | — | — | 730–1095 |
| Grapes | — | — | May 13 | — | — | 730–1095 |
| Ground Cherry | — | — | May 13 | — | Jul 22 – Sep 16 | 65–80 |
| Hardy Kiwi | — | — | May 13 | — | — | 1095–1825 |
| Haskaps | — | — | May 13 | — | — | 730–1095 |
| Honeydew | — | — | May 13 | — | Aug 5 – Sep 16 | 80–110 |
| Jostaberry | — | — | May 13 | — | — | 730–1095 |
| Lingonberries | — | — | May 13 | — | — | 730–1095 |
| Medlar | — | — | May 13 | — | — | 1095–1825 |
| Mulberries | — | — | May 13 | — | — | 730–1825 |
| Pawpaw | — | — | May 13 | — | — | 1095–2555 |
| Persimmon | — | — | May 13 | — | — | 1095–2555 |
| Quince | — | — | May 13 | — | — | 1095–1825 |
| Raspberries | — | — | May 13 | — | — | 365–730 |
| Serviceberries | — | — | May 13 | — | — | 730–1095 |
| Strawberries | — | — | May 13 | — | Aug 12 – Nov 25 | 90–365 |
🌿 Herbs to Grow in Clinton County
35 herbs that grow well in Zone 6a with planting dates for Clinton County.
Show all 35 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 18 | Apr 8 | Apr 15 | Aug 8 | — | 365–730 |
| Anise | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jul 15 – Sep 30 | 90–120 |
| Basil | Mar 4 | Apr 29 | May 6 | — | Jul 1 – Sep 2 | 50–75 |
| Bee Balm | — | — | Apr 29 | — | Jul 29 – Oct 14 | 90–120 |
| Borage | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jun 10 – Jul 29 | 50–60 |
| Caraway | Mar 18 | Apr 8 | Apr 15 | Aug 8 | — | 365–450 |
| Catnip | — | — | Apr 29 | — | Jul 1 – Sep 2 | 60–80 |
| Chamomile | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jun 17 – Aug 26 | 60–90 |
| Chervil | Mar 18 | Apr 8 | Apr 15 | Aug 8 | May 27 – Jul 29 | 40–60 |
| Chives | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Cilantro | Mar 18 | Apr 8 | Apr 15 | Aug 8 | May 27 – Jul 29 | 40–60 |
| Comfrey | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Cumin | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jul 29 – Sep 30 | 100–120 |
| Dill | Mar 18 | Apr 8 | Apr 15 | Aug 8 | May 27 – Jul 29 | 40–60 |
| Epazote | Mar 4 | Apr 29 | May 6 | — | Jun 24 – Aug 19 | 45–60 |
| Fennel (herb) | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jun 17 – Aug 26 | 60–90 |
| Feverfew | — | — | Apr 29 | — | Jul 29 – Oct 14 | 90–120 |
| Garlic Chives | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Horehound | — | — | Apr 29 | — | Jul 15 – Sep 9 | 75–90 |
| Hyssop | — | — | Apr 29 | — | Jul 8 – Sep 9 | 70–90 |
| Lemon Balm | — | — | Apr 29 | — | Jul 1 – Aug 19 | 60–70 |
| Lemon Thyme | — | — | Apr 29 | — | Jul 8 – Sep 9 | 70–90 |
| Lovage | — | — | Apr 29 | — | Jul 8 – Sep 9 | 70–90 |
| Marjoram | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Mint | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Oregano | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Parsley | Mar 18 | Apr 8 | Apr 15 | Aug 8 | Jun 17 – Aug 19 | 60–80 |
| Rue | — | — | Apr 29 | — | Jul 8 – Sep 9 | 70–90 |
| Sage | — | — | Apr 29 | — | Jul 15 – Sep 9 | 75–90 |
| Savory | — | — | Apr 29 | — | Jun 24 – Aug 19 | 50–70 |
| Sorrel | Mar 18 | Apr 8 | Apr 15 | Aug 8 | May 27 – Jul 29 | 40–60 |
| Tarragon | — | — | Apr 29 | — | Jul 1 – Sep 9 | 60–90 |
| Thai Basil | Mar 4 | Apr 29 | May 6 | — | Jul 1 – Sep 2 | 50–75 |
| Thyme | — | — | Apr 29 | — | Jul 8 – Sep 9 | 70–90 |
| Valerian | — | — | Apr 29 | — | Sep 2 – Nov 11 | 120–180 |
🌸 Flowers to Grow in Clinton County
53 flowers that grow well in Zone 6a with planting dates for Clinton County.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 4 | Apr 22 | Apr 22 | — | Jun 17 – Sep 23 | 60–75 |
| Alliums | — | — | — | Sep 5 | Oct 3 – Oct 31 | 28–42 |
| Anemones | Mar 25 | — | Apr 22 | — | May 27 – Jun 24 | 90–120 |
| Astilbe | Feb 18 | — | Apr 29 | — | Jul 8 – Sep 16 | 70–100 |
| Bachelor's Button | Mar 11 | Mar 25 | Apr 22 | Sep 5 | Jun 24 – Sep 9 | 60–90 |
| Begonias | Feb 11 | — | Apr 29 | — | Jul 8 – Oct 7 | 70–90 |
| Black-eyed Susan | Feb 18 | Apr 22 | Apr 29 | — | Jul 15 – Oct 28 | 60–80 |
| Bleeding Hearts | Feb 18 | — | Apr 29 | — | Jun 24 – Jul 29 | 60–90 |
| Calendula | Mar 11 | Mar 25 | Apr 22 | — | Jun 10 – Sep 9 | 50–70 |
| California Poppy | — | Mar 25 | — | — | Jun 3 – Jul 15 | 60–90 |
| Celosia | Mar 18 | Apr 29 | Apr 29 | — | Jul 1 – Oct 14 | 60–90 |
| Columbine | Feb 18 | May 6 | May 6 | — | Jul 1 – Aug 5 | 70–100 |
| Coreopsis | Feb 18 | Apr 29 | Apr 29 | — | Jul 8 – Oct 28 | 60–80 |
| Cosmos | Mar 25 | Apr 22 | Apr 22 | — | Jul 1 – Oct 7 | 60–90 |
| Crocus | — | — | — | Sep 5 | Jul 25 – Aug 15 | 10–20 |
| Daffodils | — | — | — | Sep 5 | Aug 1 – Aug 22 | 20–40 |
| Dahlias | Mar 25 | Apr 29 | Apr 29 | — | Jul 15 – Oct 28 | 70–120 |
| Daylily | Feb 18 | — | Apr 29 | — | Jul 15 – Oct 28 | 60–90 |
| Dianthus | Feb 25 | Mar 25 | Apr 8 | — | May 27 – Aug 26 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 18 | May 6 | May 6 | — | Jul 29 – Nov 4 | 70–90 |
| Foxglove | Feb 18 | Apr 29 | Apr 29 | — | Jun 24 – Jul 29 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 4 | Apr 29 | Apr 29 | — | Jul 8 – Nov 11 | 70–100 |
| Geraniums | Feb 11 | — | Apr 29 | — | Jul 8 – Oct 7 | 70–100 |
| Gladiolus | — | Apr 22 | Apr 22 | — | Jul 8 – Oct 21 | 70–100 |
| Hostas | Feb 11 | — | Apr 29 | — | Jul 15 – Oct 28 | 60–90 |
| Hyacinths | — | — | — | Sep 5 | Aug 22 – Sep 12 | 14–28 |
| Hydrangeas | Feb 11 | — | Apr 29 | — | Jul 8 – Oct 14 | 90–150 |
| Impatiens | Feb 25 | — | Apr 29 | — | Jul 8 – Oct 14 | 60–75 |
| Irises | — | Division | Apr 29 | — | Jun 24 – Jul 22 | 60–100 |
| Larkspur | — | Mar 25 | — | — | Jun 3 – Jul 29 | 60–90 |
| Lavender | Feb 11 | — | May 6 | — | Jul 15 – Sep 9 | 90–120 |
| Lilies | — | Division | Apr 29 | — | Jul 8 – Oct 14 | 70–120 |
| Lobelia | Feb 18 | — | Apr 8 | — | Jun 3 – Aug 26 | 70–80 |
| Lupine | Feb 18 | Apr 29 | Apr 29 | — | Jun 24 – Jul 29 | 75–100 |
| Marigolds | Mar 11 | Apr 29 | Apr 29 | — | Jun 24 – Sep 23 | 50–70 |
| Nasturtium | Mar 25 | Apr 29 | Apr 29 | — | Jun 24 – Oct 14 | 55–65 |
| Pansy | Feb 11 | — | Apr 22 | Aug 22 | Jun 17 – Aug 19 | 70–90 |
| Peonies | — | Division | Apr 29 | — | Jul 1 – Aug 5 | 90–120 |
| Petunia | Feb 25 | — | Apr 29 | — | Jul 8 – Oct 14 | 70–90 |
| Phlox | Feb 18 | Apr 29 | Apr 29 | — | Jul 8 – Sep 30 | 80–110 |
| Portulaca | Mar 18 | Apr 29 | Apr 29 | — | Jun 17 – Sep 30 | 50–70 |
| Ranunculus | Mar 11 | — | Apr 22 | — | Jun 3 – Jul 1 | 90–120 |
| Roses | Feb 11 | — | Apr 29 | — | Jul 8 – Oct 28 | 90–180 |
| Salvia | Feb 18 | — | Apr 29 | — | Jul 8 – Oct 14 | 70–90 |
| Sedum (Stonecrop) | Feb 18 | — | Apr 29 | — | Aug 19 – Nov 4 | 60–90 |
| Snapdragon | Feb 11 | Apr 1 | Apr 22 | — | Jul 1 – Sep 9 | 70–100 |
| Sunflower | Apr 1 | Apr 29 | Apr 29 | — | Jul 22 – Oct 14 | 70–100 |
| Sweet Alyssum | Mar 4 | Apr 1 | Apr 22 | — | Jun 3 – Aug 12 | 45–60 |
| Sweet Pea | Mar 11 | Mar 18 | Apr 22 | — | Jul 8 – Sep 16 | 65–85 |
| Tulips | — | — | — | Sep 5 | Aug 15 – Sep 12 | 15–30 |
| Vinca (Annual) | Feb 11 | — | Apr 29 | — | Jul 8 – Oct 14 | 70–90 |
| Yarrow | Feb 18 | Apr 22 | Apr 29 | — | Jul 8 – Oct 28 | 60–90 |
| Zinnia | Mar 25 | Apr 29 | Apr 29 | — | Jul 8 – Oct 14 | 60–70 |
Monthly Planting Guide for Clinton County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Clinton County.
Frequently Asked Questions
What planting zone is Clinton County, IN?
Clinton County is in USDA Hardiness Zone 6a. 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 Clinton County, IN?
Based on 30 years of NOAA weather station data, the median last spring frost in Clinton County falls around April 22. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in Clinton County, IN?
The median first fall frost in Clinton County arrives around October 17. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your Clinton County Garden Planner — Free
A 22-page printable planner built for Clinton County (Zone 6a). 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
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
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
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