Johnson County, KY — Planting Guide
Johnson County is in USDA Zone 7a. The average last spring frost is April 14 and the first fall frost is October 26, giving you a growing season of approximately 195 days.
At an elevation of 3,308 ft, Johnson County receives approximately 47 in of rainfall annually. Summer highs average 86°F with winter lows around 21°F. The predominant soil type is Silt Loam.
🌡️ Zone
7a (0°F to 5°F min)
❄️ Last Frost
April 14
🍂 First Frost
October 26
📅 Growing Season
195 days
⛰️ Elevation
3,308 ft
🌧️ Annual Rainfall
47 in
Johnson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Soil & Growing Conditions in Johnson County
Soil Type
Silt Loam
Ideal for most crops — holds moisture and nutrients while draining well.
Watering Needs
Moderate rainfall (47 in.) — plan to water 1–2 times per week during the growing season.
Season Tips
195-day frost-free season
Plenty of time for warm-season crops. Start heat-lovers indoors 6–8 weeks before last frost to maximise your harvest window.
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 Johnson County
112 vegetables that grow well in Zone 7a with planting dates for Johnson County.
Show all 112 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 17 | Apr 21 | Apr 28 | — | Jul 21 – Aug 25 | 80–100 |
| Amaranth | Feb 24 | Apr 21 | Apr 28 | — | Jul 28 – Sep 15 | 90–120 |
| Artichoke | — | — | Apr 28 | — | Sep 1 – Nov 10 | 120–180 |
| Arugula | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jul 21 | 30–50 |
| Asparagus | — | — | Apr 28 | — | — | 730–1095 |
| Beets | — | Mar 31 | — | Aug 17 | May 26 – Jun 23 | 50–70 |
| Belgian Endive | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Aug 4 – Sep 29 | 110–150 |
| Bitter Melon | Feb 24 | Apr 21 | Apr 28 | — | Jun 30 – Aug 11 | 60–90 |
| Black Beans | — | Apr 21 | — | — | Jul 21 – Sep 8 | 90–120 |
| Bok Choy | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 30 | 40–60 |
| Broccoli | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 16 – Jul 28 | 60–90 |
| Broccoli Rabe | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 30 | 40–60 |
| Brussels Sprouts | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 14 – Sep 8 | 90–130 |
| Butternut Squash | Mar 17 | Apr 21 | Apr 28 | — | Jul 28 – Sep 1 | 85–110 |
| Cabbage | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 16 – Aug 11 | 60–100 |
| Calabash | Feb 24 | Apr 21 | Apr 28 | — | Jul 21 – Sep 15 | 80–120 |
| Cardoon | — | — | Apr 28 | — | Sep 1 – Oct 13 | 120–150 |
| Carrots | — | Mar 31 | — | Aug 17 | Jun 2 – Jul 7 | 60–80 |
| Cauliflower | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Aug 11 | 55–100 |
| Celeriac | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 28 – Sep 1 | 100–120 |
| Celery | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 7 – Sep 1 | 80–120 |
| Celtuce | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 16 – Jul 28 | 60–90 |
| Chard | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Jul 28 | 50–60 |
| Chayote | Feb 24 | Apr 21 | Apr 28 | — | Sep 1 – Nov 10 | 120–180 |
| Chickpeas | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 7 – Aug 18 | 80–110 |
| Chicory | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 16 – Jul 28 | 60–85 |
| Chinese Cabbage | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Jul 7 | 50–70 |
| Christmas Lima Beans | Feb 24 | Apr 21 | Apr 28 | — | Jul 21 – Aug 25 | 80–100 |
| Collard Greens | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Aug 11 | 55–75 |
| Corn | — | Apr 21 | — | — | Jun 23 – Aug 18 | 60–100 |
| Cowpeas | — | Apr 21 | — | — | Jun 23 – Aug 4 | 60–90 |
| Cress | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Apr 28 – May 19 | 14–21 |
| Crookneck Squash | Mar 17 | Apr 21 | Apr 28 | — | Jun 16 – Jul 14 | 45–60 |
| Crosne | — | Mar 31 | — | Aug 17 | Sep 1 – Nov 3 | 150–200 |
| Cucumber | Mar 17 | Apr 21 | Apr 28 | — | Jun 23 – Aug 18 | 50–70 |
| Daikon | — | Mar 31 | — | Aug 17 | May 26 – Jun 23 | 50–70 |
| Delicata Squash | Mar 17 | Apr 21 | Apr 28 | — | Jul 21 – Aug 25 | 80–100 |
| Edamame | — | Apr 21 | — | — | Jul 7 – Aug 18 | 75–100 |
| Eggplant | Feb 10 | Apr 21 | Apr 28 | — | Jul 7 – Sep 8 | 65–85 |
| Endive | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 2 – Jul 7 | 45–65 |
| Escarole | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Jul 7 | 50–70 |
| Fava Beans | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 30 – Aug 11 | 75–100 |
| Fennel | Feb 24 | Apr 21 | Apr 28 | — | Jun 30 – Aug 11 | 60–90 |
| Garlic | — | — | — | Sep 14 | Dec 14 – Apr 26 | 90–240 |
| Green Beans | — | Apr 21 | — | — | Jun 16 – Aug 11 | 50–65 |
| Horseradish | — | — | Apr 28 | — | Sep 1 – Nov 10 | 120–180 |
| Hot Peppers | Feb 10 | Apr 21 | Apr 28 | — | Jul 7 – Oct 13 | 70–120 |
| Hubbard Squash | Mar 17 | Apr 21 | Apr 28 | — | Aug 11 – Sep 15 | 100–120 |
| Jicama | Feb 24 | Apr 21 | Apr 28 | — | Sep 1 – Nov 10 | 120–180 |
| Kabocha | Mar 17 | Apr 21 | Apr 28 | — | Jul 28 – Aug 25 | 85–100 |
| Kai Lan | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 2 – Jun 30 | 45–60 |
| Kale | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Aug 4 | 50–70 |
| Kidney Beans | — | Apr 21 | — | — | Jul 21 – Aug 25 | 85–110 |
| Kohlrabi | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 2 – Jul 7 | 45–65 |
| Komatsuna | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jun 23 | 35–50 |
| Leeks | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 14 – Sep 29 | 90–150 |
| Lentils | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 7 – Aug 18 | 80–110 |
| Lettuce | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jul 28 | 30–60 |
| Lima Beans | — | Apr 21 | — | — | Jun 23 – Aug 4 | 60–90 |
| Loofah | Feb 24 | Apr 21 | Apr 28 | — | Aug 11 – Oct 13 | 100–150 |
| Luffa | Feb 24 | Apr 21 | Apr 28 | — | Jul 28 – Oct 13 | 90–150 |
| Mache | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 30 | 40–60 |
| Malabar Spinach | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Jul 21 | 55–70 |
| Melon | Mar 17 | Apr 21 | Apr 28 | — | Jul 7 – Aug 25 | 70–100 |
| Microgreens | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Apr 21 – May 19 | 7–21 |
| Mitsuba | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jun 2 – Jul 28 | 50–70 |
| Mizuna | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jun 16 | 30–45 |
| Mustard Greens | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jul 21 | 30–50 |
| Napa Cabbage | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Jul 14 | 55–75 |
| New Zealand Spinach | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Jul 21 | 55–70 |
| Okra | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 18 | 50–65 |
| Onion | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 14 – Sep 1 | 90–120 |
| Pac Choi | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 23 | 40–55 |
| Parsnip | — | Mar 31 | — | Aug 17 | Jul 14 – Aug 25 | 100–130 |
| Patty Pan Squash | Mar 17 | Apr 21 | Apr 28 | — | Jun 16 – Jul 14 | 45–60 |
| Peas | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Aug 4 | 55–70 |
| Peppers | Feb 10 | Apr 21 | Apr 28 | — | Jun 30 – Sep 8 | 60–90 |
| Pole Beans | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 18 | 55–70 |
| Potatoes | Feb 24 | Apr 21 | Apr 28 | — | Jul 7 – Sep 15 | 70–120 |
| Pumpkin | Mar 17 | Apr 21 | Apr 28 | — | Jul 28 – Sep 15 | 85–120 |
| Purslane | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 30 | 40–60 |
| Radicchio | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 16 – Jul 21 | 60–80 |
| Radish | — | Mar 31 | — | Aug 17 | Apr 28 – May 19 | 22–35 |
| Rhubarb | — | — | May 5 | — | — | 365–730 |
| Romanesco | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 30 – Aug 11 | 75–100 |
| Rutabaga | — | Mar 31 | — | Aug 17 | Jun 23 – Jul 28 | 80–100 |
| Salsify | — | Mar 31 | — | Aug 17 | Jul 14 – Aug 25 | 100–130 |
| Savoy Cabbage | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 23 – Aug 18 | 70–110 |
| Scallions | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Jul 7 | 50–70 |
| Scarlet Runner Beans | Feb 24 | Apr 21 | Apr 28 | — | Jun 30 – Aug 4 | 60–80 |
| Shallot | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jul 14 – Sep 1 | 90–120 |
| Shiso | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 18 | 50–70 |
| Snap Peas | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 18 | 55–70 |
| Snow Peas | Mar 10 | Mar 31 | Apr 14 | Aug 17 | Jun 9 – Aug 4 | 50–65 |
| Soybeans | — | Apr 21 | — | — | Jul 14 – Sep 8 | 80–120 |
| Spaghetti Squash | Mar 17 | Apr 21 | Apr 28 | — | Jul 28 – Aug 25 | 85–100 |
| Spinach | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jul 21 | 35–50 |
| Squash (Summer) | Mar 17 | Apr 21 | Apr 28 | — | Jun 16 – Aug 18 | 45–65 |
| Squash (Winter) | Mar 17 | Apr 21 | Apr 28 | — | Jul 21 – Sep 15 | 80–120 |
| Sunchoke | — | — | Apr 28 | — | Aug 18 – Oct 13 | 110–150 |
| Sweet Corn | — | Apr 21 | — | — | Jun 23 – Aug 4 | 60–90 |
| Sweet Potatoes | Feb 24 | Apr 21 | Apr 28 | — | Jul 28 – Sep 15 | 90–120 |
| Tatsoi | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 19 – Jun 23 | 35–50 |
| Tomatillo | Feb 24 | Apr 21 | Apr 28 | — | Jun 30 – Sep 8 | 60–85 |
| Tomatoes | Feb 24 | Apr 21 | Apr 28 | — | Jun 30 – Sep 8 | 60–85 |
| Turnip | — | Mar 31 | — | Aug 17 | May 12 – Jun 16 | 40–60 |
| Watercress | Mar 10 | Mar 31 | Apr 14 | Aug 17 | May 26 – Jun 30 | 40–60 |
| Watermelon | Mar 17 | Apr 21 | Apr 28 | — | Jul 7 – Aug 25 | 70–100 |
| Wax Beans | — | Apr 21 | — | — | Jun 16 – Aug 11 | 50–65 |
| Winter Melon | Feb 24 | Apr 21 | Apr 28 | — | Jul 28 – Sep 15 | 90–120 |
| Yard Long Beans | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 4 | 55–80 |
| Zucchini | Mar 17 | Apr 21 | Apr 28 | — | Jun 16 – Aug 11 | 45–60 |
🍓 Fruits to Grow in Johnson County
31 fruits that grow well in Zone 7a with planting dates for Johnson County.
Show all 31 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 5 | — | Aug 4 – Nov 17 | 90–180 |
| Aronia | — | — | May 5 | — | — | 730–1095 |
| Blackberries | — | — | May 5 | — | — | 365–730 |
| Blueberries | — | — | May 5 | — | — | 730–1095 |
| Boysenberries | — | — | May 5 | — | — | 365–730 |
| Cantaloupe | — | — | May 5 | — | Jul 14 – Aug 18 | 70–90 |
| Che Fruit | — | — | May 5 | — | — | 1095–1825 |
| Cranberries | — | — | May 5 | — | — | 730–1095 |
| Currants | — | — | May 5 | — | — | 730–1095 |
| Elderberries | — | — | May 5 | — | — | 730–1095 |
| Figs | — | — | May 5 | — | — | 730–1825 |
| Goji Berries | — | — | May 5 | — | — | 730–1095 |
| Gooseberries | — | — | May 5 | — | — | 730–1095 |
| Grapes | — | — | May 5 | — | — | 730–1095 |
| Ground Cherry | — | — | May 5 | — | Jul 14 – Sep 8 | 65–80 |
| Hardy Kiwi | — | — | May 5 | — | — | 1095–1825 |
| Haskaps | — | — | May 5 | — | — | 730–1095 |
| Honeydew | — | — | May 5 | — | Jul 28 – Sep 8 | 80–110 |
| Jostaberry | — | — | May 5 | — | — | 730–1095 |
| Kiwi | — | — | May 5 | — | — | 1095–1825 |
| Lingonberries | — | — | May 5 | — | — | 730–1095 |
| Loquat | — | — | May 5 | — | — | 730–1825 |
| Medlar | — | — | May 5 | — | — | 1095–1825 |
| Mulberries | — | — | May 5 | — | — | 730–1825 |
| Pawpaw | — | — | May 5 | — | — | 1095–2555 |
| Persimmon | — | — | May 5 | — | — | 1095–2555 |
| Pomegranate | — | — | May 5 | — | — | 730–1095 |
| Quince | — | — | May 5 | — | — | 1095–1825 |
| Raspberries | — | — | May 5 | — | — | 365–730 |
| Serviceberries | — | — | May 5 | — | — | 730–1095 |
| Strawberries | — | — | May 5 | — | Aug 4 – Dec 15 | 90–365 |
🌿 Herbs to Grow in Johnson County
36 herbs that grow well in Zone 7a with planting dates for Johnson County.
Show all 36 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 10 | Mar 31 | Apr 7 | Aug 17 | — | 365–730 |
| Anise | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jul 7 – Sep 22 | 90–120 |
| Basil | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 25 | 50–75 |
| Bee Balm | — | — | Apr 21 | — | Jul 21 – Oct 6 | 90–120 |
| Borage | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jun 2 – Jul 21 | 50–60 |
| Caraway | Mar 10 | Mar 31 | Apr 7 | Aug 17 | — | 365–450 |
| Catnip | — | — | Apr 21 | — | Jun 23 – Aug 25 | 60–80 |
| Chamomile | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jun 9 – Aug 18 | 60–90 |
| Chervil | Mar 10 | Mar 31 | Apr 7 | Aug 17 | May 19 – Jul 21 | 40–60 |
| Chives | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Cilantro | Mar 10 | Mar 31 | Apr 7 | Aug 17 | May 19 – Jul 21 | 40–60 |
| Comfrey | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Cumin | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jul 21 – Sep 22 | 100–120 |
| Dill | Mar 10 | Mar 31 | Apr 7 | Aug 17 | May 19 – Jul 21 | 40–60 |
| Epazote | Feb 24 | Apr 21 | Apr 28 | — | Jun 16 – Aug 11 | 45–60 |
| Fennel (herb) | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jun 9 – Aug 18 | 60–90 |
| Feverfew | — | — | Apr 21 | — | Jul 21 – Oct 6 | 90–120 |
| Garlic Chives | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Horehound | — | — | Apr 21 | — | Jul 7 – Sep 1 | 75–90 |
| Hyssop | — | — | Apr 21 | — | Jun 30 – Sep 1 | 70–90 |
| Lemon Balm | — | — | Apr 21 | — | Jun 23 – Aug 11 | 60–70 |
| Lemon Thyme | — | — | Apr 21 | — | Jun 30 – Sep 1 | 70–90 |
| Lovage | — | — | Apr 21 | — | Jun 30 – Sep 1 | 70–90 |
| Marjoram | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Mint | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Oregano | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Parsley | Mar 10 | Mar 31 | Apr 7 | Aug 17 | Jun 9 – Aug 11 | 60–80 |
| Rosemary | — | — | Apr 21 | — | Jul 14 – Dec 1 | 80–180 |
| Rue | — | — | Apr 21 | — | Jun 30 – Sep 1 | 70–90 |
| Sage | — | — | Apr 21 | — | Jul 7 – Sep 1 | 75–90 |
| Savory | — | — | Apr 21 | — | Jun 16 – Aug 11 | 50–70 |
| Sorrel | Mar 10 | Mar 31 | Apr 7 | Aug 17 | May 19 – Jul 21 | 40–60 |
| Tarragon | — | — | Apr 21 | — | Jun 23 – Sep 1 | 60–90 |
| Thai Basil | Feb 24 | Apr 21 | Apr 28 | — | Jun 23 – Aug 25 | 50–75 |
| Thyme | — | — | Apr 21 | — | Jun 30 – Sep 1 | 70–90 |
| Valerian | — | — | Apr 21 | — | Aug 25 – Dec 1 | 120–180 |
🌸 Flowers to Grow in Johnson County
53 flowers that grow well in Zone 7a with planting dates for Johnson County.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 3 | Apr 14 | Apr 14 | — | Jun 9 – Sep 29 | 60–75 |
| Alliums | — | — | — | Sep 21 | Oct 19 – Nov 9 | 28–42 |
| Anemones | — | — | — | Aug 31 | Sep 14 – Oct 12 | 90–120 |
| Astilbe | Feb 10 | — | Apr 21 | — | Jun 30 – Aug 25 | 70–100 |
| Bachelor's Button | Mar 3 | Mar 10 | Apr 14 | Aug 31 | Jun 16 – Sep 15 | 60–90 |
| Begonias | Feb 3 | — | Apr 14 | — | Jun 23 – Oct 13 | 70–90 |
| Black-eyed Susan | Feb 10 | Apr 14 | Apr 21 | — | Jun 30 – Nov 3 | 60–80 |
| Bleeding Hearts | Feb 10 | — | Apr 21 | — | Jun 9 – Jul 14 | 60–90 |
| Calendula | Mar 3 | Mar 10 | Apr 14 | Aug 31 | Jun 2 – Sep 15 | 50–70 |
| California Poppy | — | Mar 17 | — | Aug 31 | May 26 – Aug 4 | 60–90 |
| Celosia | Mar 17 | Apr 14 | Apr 14 | — | Jun 16 – Oct 13 | 60–90 |
| Columbine | Feb 17 | Apr 21 | Apr 21 | — | Jun 9 – Jul 14 | 70–100 |
| Coreopsis | Feb 10 | Apr 14 | Apr 21 | — | Jun 23 – Nov 3 | 60–80 |
| Cosmos | Mar 17 | Apr 14 | Apr 14 | — | Jun 23 – Oct 13 | 60–90 |
| Crocus | — | — | — | Sep 21 | Aug 17 – Sep 7 | 10–20 |
| Daffodils | — | — | — | Sep 21 | Aug 24 – Sep 14 | 20–40 |
| Dahlias | Mar 17 | Apr 21 | Apr 21 | — | Jun 30 – Nov 3 | 70–120 |
| Daylily | Feb 10 | — | Apr 21 | — | Jun 30 – Nov 3 | 60–90 |
| Dianthus | Feb 17 | Mar 10 | Mar 24 | — | May 12 – Aug 11 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 10 | Apr 21 | Apr 21 | — | Jul 7 – Nov 3 | 70–90 |
| Foxglove | Feb 17 | Apr 21 | Apr 21 | — | Jun 9 – Jul 14 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 24 | Apr 21 | Apr 21 | — | Jun 30 – Nov 17 | 70–100 |
| Geraniums | Feb 3 | — | Apr 14 | — | Jun 23 – Oct 13 | 70–100 |
| Gladiolus | — | Apr 14 | Apr 14 | — | Jun 23 – Oct 27 | 70–100 |
| Hostas | Feb 3 | — | Apr 21 | — | Jun 30 – Nov 3 | 60–90 |
| Hyacinths | — | — | — | Sep 21 | Sep 14 – Oct 5 | 14–28 |
| Hydrangeas | Feb 3 | — | Apr 21 | — | Jun 30 – Oct 20 | 90–150 |
| Impatiens | Feb 17 | — | Apr 21 | — | Jun 30 – Oct 20 | 60–75 |
| Irises | — | Division | Apr 21 | — | Jun 9 – Jul 14 | 60–100 |
| Larkspur | — | Mar 17 | — | Aug 17 | May 26 – Aug 4 | 60–90 |
| Lavender | Feb 10 | — | Apr 28 | — | Jul 7 – Sep 15 | 90–120 |
| Lilies | — | Division | Apr 21 | — | Jun 30 – Oct 20 | 70–120 |
| Lobelia | Feb 10 | — | Mar 24 | — | May 19 – Aug 11 | 70–80 |
| Lupine | Feb 17 | Apr 21 | Apr 21 | — | Jun 9 – Jul 14 | 75–100 |
| Marigolds | Mar 3 | Apr 14 | Apr 14 | — | Jun 9 – Sep 15 | 50–70 |
| Nasturtium | Mar 17 | Apr 14 | Apr 14 | — | Jun 9 – Oct 13 | 55–65 |
| Pansy | Feb 3 | — | Apr 14 | Aug 17 | Jun 9 – Aug 18 | 70–90 |
| Peonies | — | Division | Apr 21 | — | Jun 16 – Jul 21 | 90–120 |
| Petunia | Feb 17 | — | Apr 21 | — | Jun 30 – Oct 20 | 70–90 |
| Phlox | Feb 10 | Apr 21 | Apr 21 | — | Jun 30 – Sep 22 | 80–110 |
| Portulaca | Mar 17 | Apr 14 | Apr 14 | — | Jun 2 – Sep 29 | 50–70 |
| Ranunculus | — | — | — | Aug 31 | Sep 28 – Oct 26 | 90–120 |
| Roses | Feb 3 | — | Apr 21 | — | Jun 30 – Nov 3 | 90–180 |
| Salvia | Feb 17 | — | Apr 14 | — | Jun 23 – Oct 13 | 70–90 |
| Sedum (Stonecrop) | Feb 10 | — | Apr 21 | — | Aug 11 – Nov 3 | 60–90 |
| Snapdragon | Feb 3 | Mar 17 | Apr 14 | Aug 31 | Jun 23 – Sep 15 | 70–100 |
| Sunflower | Mar 24 | Apr 14 | Apr 14 | — | Jul 7 – Oct 13 | 70–100 |
| Sweet Alyssum | Mar 3 | Mar 17 | Apr 14 | Sep 14 | May 26 – Aug 18 | 45–60 |
| Sweet Pea | — | Mar 10 | — | Aug 31 | May 19 – Aug 11 | 65–85 |
| Tulips | — | — | — | Sep 21 | Sep 7 – Sep 28 | 15–30 |
| Vinca (Annual) | Feb 3 | — | Apr 14 | — | Jun 23 – Oct 13 | 70–90 |
| Yarrow | Feb 10 | Apr 14 | Apr 21 | — | Jun 23 – Nov 3 | 60–90 |
| Zinnia | Mar 17 | Apr 14 | Apr 14 | — | Jun 23 – Oct 13 | 60–70 |
Monthly Planting Guide for Johnson County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Johnson County.
Frequently Asked Questions
What planting zone is Johnson County, KY?
Johnson County is in USDA Hardiness Zone 7a. 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 Johnson County, KY?
Based on 30 years of NOAA weather station data, the median last spring frost in Johnson County falls around April 14. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in Johnson County, KY?
The median first fall frost in Johnson County arrives around October 26. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your Johnson County Garden Planner — Free
A 22-page printable planner built for Johnson County (Zone 7a). 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