McCone County, MT — Planting Guide
McCone County is in USDA Zone 4a. The average last spring frost is May 14 and the first fall frost is September 22, giving you a growing season of approximately 131 days.
At an elevation of 5,568 ft, McCone County receives approximately 22 in of rainfall annually. Summer highs average 82°F with winter lows around 9°F. The predominant soil type is Loam.
🌡️ Zone
4a (-30°F to -25°F min)
❄️ Last Frost
May 14
🍂 First Frost
September 22
📅 Growing Season
131 days
⛰️ Elevation
5,568 ft
🌧️ Annual Rainfall
22 in
McCone County, MT
Short season
131 days
Last Spring Frost
May 14
➔
131 growing days
➔
First Fall Frost
September 22
McCone County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Zone 4a
Frost Countdown
--
Loading...
Last Frost: May 14
First Frost: Sep 22
Soil & Growing Conditions in McCone County
Soil Type
Loam
Ideal for most crops — holds moisture and nutrients while draining well.
Watering Needs
With 22 inches annually, regular irrigation is essential. Drip systems and heavy mulching conserve water.
Season Tips
131-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 McCone County
95 vegetables that grow well in Zone 4a with planting dates for McCone County.
Show all 95 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Apr 2 | May 28 | Jun 4 | — | Aug 27 – Oct 1 | 80–100 |
| Amaranth | Mar 12 | May 28 | Jun 4 | — | Sep 3 – Oct 22 | 90–120 |
| Arugula | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Aug 20 | 30–50 |
| Asparagus | — | — | May 28 | — | — | 730–1095 |
| Beets | — | May 7 | — | Jun 30 | Jul 2 – Jul 30 | 50–70 |
| Belgian Endive | Apr 2 | May 7 | May 14 | Jun 30 | Sep 3 – Oct 8 | 110–150 |
| Black Beans | — | May 28 | — | — | Aug 27 – Oct 15 | 90–120 |
| Bok Choy | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 30 | 40–60 |
| Broccoli | Apr 2 | May 7 | May 14 | Jun 30 | Jul 16 – Aug 27 | 60–90 |
| Broccoli Rabe | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 30 | 40–60 |
| Brussels Sprouts | Apr 2 | May 7 | May 14 | Jun 30 | Aug 13 – Oct 8 | 90–130 |
| Butternut Squash | Apr 2 | May 28 | Jun 4 | — | Sep 3 – Oct 8 | 85–110 |
| Cabbage | Apr 2 | May 7 | May 14 | Jun 30 | Jul 16 – Sep 10 | 60–100 |
| Carrots | — | May 7 | — | Jun 30 | Jul 9 – Aug 13 | 60–80 |
| Cauliflower | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Sep 10 | 55–100 |
| Celeriac | Apr 2 | May 7 | May 14 | Jun 30 | Aug 27 – Oct 1 | 100–120 |
| Celery | Apr 2 | May 7 | May 14 | Jun 30 | Aug 6 – Oct 1 | 80–120 |
| Celtuce | Apr 2 | May 7 | May 14 | Jun 30 | Jul 16 – Aug 27 | 60–90 |
| Chard | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Aug 27 | 50–60 |
| Chickpeas | Apr 2 | May 7 | May 14 | Jun 30 | Aug 6 – Sep 17 | 80–110 |
| Chicory | Apr 2 | May 7 | May 14 | Jun 30 | Jul 16 – Aug 27 | 60–85 |
| Chinese Cabbage | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Aug 6 | 50–70 |
| Christmas Lima Beans | Mar 12 | May 28 | Jun 4 | — | Aug 27 – Oct 1 | 80–100 |
| Collard Greens | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Sep 10 | 55–75 |
| Corn | — | May 28 | — | — | Jul 30 – Sep 24 | 60–100 |
| Cress | Apr 2 | May 7 | May 14 | Jun 30 | May 28 – Jun 18 | 14–21 |
| Crookneck Squash | Apr 2 | May 28 | Jun 4 | — | Jul 23 – Aug 20 | 45–60 |
| Crosne | — | May 7 | — | Jun 30 | Oct 8 – Oct 1 | 150–200 |
| Cucumber | Apr 2 | May 28 | Jun 4 | — | Jul 30 – Sep 24 | 50–70 |
| Daikon | — | May 7 | — | Jun 30 | Jul 2 – Jul 30 | 50–70 |
| Delicata Squash | Apr 2 | May 28 | Jun 4 | — | Aug 27 – Oct 1 | 80–100 |
| Edamame | — | May 28 | — | — | Aug 13 – Sep 24 | 75–100 |
| Endive | Apr 2 | May 7 | May 14 | Jun 30 | Jul 2 – Aug 6 | 45–65 |
| Escarole | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Aug 6 | 50–70 |
| Fava Beans | Apr 2 | May 7 | May 14 | Jun 30 | Jul 30 – Sep 10 | 75–100 |
| Fennel | Mar 12 | May 28 | Jun 4 | — | Aug 6 – Sep 17 | 60–90 |
| Garlic | — | — | — | Aug 11 | Nov 10 – Jan 5 | 90–240 |
| Green Beans | — | May 28 | — | — | Jul 23 – Sep 17 | 50–65 |
| Horseradish | — | — | May 28 | — | Oct 1 – Oct 22 | 120–180 |
| Hubbard Squash | Apr 2 | May 28 | Jun 4 | — | Sep 17 – Oct 22 | 100–120 |
| Kabocha | Apr 2 | May 28 | Jun 4 | — | Sep 3 – Oct 1 | 85–100 |
| Kai Lan | Apr 2 | May 7 | May 14 | Jun 30 | Jul 2 – Jul 30 | 45–60 |
| Kale | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Sep 3 | 50–70 |
| Kidney Beans | — | May 28 | — | — | Aug 27 – Oct 1 | 85–110 |
| Kohlrabi | Apr 2 | May 7 | May 14 | Jun 30 | Jul 2 – Aug 6 | 45–65 |
| Komatsuna | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Jul 23 | 35–50 |
| Leeks | Apr 2 | May 7 | May 14 | Jun 30 | Aug 13 – Oct 8 | 90–150 |
| Lentils | Apr 2 | May 7 | May 14 | Jun 30 | Aug 6 – Sep 17 | 80–110 |
| Lettuce | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Aug 27 | 30–60 |
| Lima Beans | — | May 28 | — | — | Jul 30 – Sep 10 | 60–90 |
| Mache | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 30 | 40–60 |
| Melon | Apr 2 | May 28 | Jun 4 | — | Aug 13 – Oct 1 | 70–100 |
| Microgreens | Apr 2 | May 7 | May 14 | Jun 30 | May 21 – Jun 18 | 7–21 |
| Mitsuba | Apr 2 | May 7 | May 7 | Jun 30 | Jul 2 – Aug 27 | 50–70 |
| Mizuna | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Jul 16 | 30–45 |
| Mustard Greens | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Aug 20 | 30–50 |
| Napa Cabbage | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Aug 13 | 55–75 |
| Onion | Apr 2 | May 7 | May 14 | Jun 30 | Aug 13 – Oct 1 | 90–120 |
| Pac Choi | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 23 | 40–55 |
| Parsnip | — | May 7 | — | Jun 30 | Aug 20 – Oct 1 | 100–130 |
| Patty Pan Squash | Apr 2 | May 28 | Jun 4 | — | Jul 23 – Aug 20 | 45–60 |
| Peas | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Sep 3 | 55–70 |
| Peppers | Feb 26 | May 28 | Jun 4 | — | Aug 6 – Oct 15 | 60–90 |
| Pole Beans | Mar 12 | May 28 | Jun 4 | — | Jul 30 – Sep 24 | 55–70 |
| Potatoes | Mar 12 | May 28 | Jun 4 | — | Aug 13 – Oct 22 | 70–120 |
| Pumpkin | Apr 2 | May 28 | Jun 4 | — | Sep 3 – Oct 22 | 85–120 |
| Purslane | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 30 | 40–60 |
| Radicchio | Apr 2 | May 7 | May 14 | Jun 30 | Jul 16 – Aug 20 | 60–80 |
| Radish | — | May 7 | — | Jun 30 | Jun 4 – Jun 25 | 22–35 |
| Rhubarb | — | — | Jun 11 | — | — | 365–730 |
| Romanesco | Apr 2 | May 7 | May 14 | Jun 30 | Jul 30 – Sep 10 | 75–100 |
| Rutabaga | — | May 7 | — | Jun 30 | Jul 30 – Sep 3 | 80–100 |
| Salsify | — | May 7 | — | Jun 30 | Aug 20 – Oct 1 | 100–130 |
| Savoy Cabbage | Apr 2 | May 7 | May 14 | Jun 30 | Jul 23 – Sep 17 | 70–110 |
| Scallions | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Aug 6 | 50–70 |
| Scarlet Runner Beans | Mar 12 | May 28 | Jun 4 | — | Aug 6 – Sep 10 | 60–80 |
| Shallot | Apr 2 | May 7 | May 14 | Jun 30 | Aug 13 – Oct 1 | 90–120 |
| Shiso | Mar 19 | May 21 | Jun 4 | — | Jul 30 – Sep 24 | 50–70 |
| Snap Peas | Mar 12 | May 28 | Jun 4 | — | Jul 30 – Sep 24 | 55–70 |
| Snow Peas | Apr 2 | May 7 | May 14 | Jun 30 | Jul 9 – Sep 3 | 50–65 |
| Soybeans | — | May 28 | — | — | Aug 20 – Oct 15 | 80–120 |
| Spaghetti Squash | Apr 2 | May 28 | Jun 4 | — | Sep 3 – Oct 1 | 85–100 |
| Spinach | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Aug 20 | 35–50 |
| Squash (Summer) | Apr 2 | May 28 | Jun 4 | — | Jul 23 – Sep 24 | 45–65 |
| Squash (Winter) | Apr 2 | May 28 | Jun 4 | — | Aug 27 – Oct 22 | 80–120 |
| Sunchoke | — | — | May 28 | — | Sep 17 – Oct 22 | 110–150 |
| Sweet Corn | — | May 28 | — | — | Jul 30 – Sep 10 | 60–90 |
| Tatsoi | Apr 2 | May 7 | May 14 | Jun 30 | Jun 18 – Jul 23 | 35–50 |
| Tomatillo | Mar 12 | May 28 | Jun 4 | — | Aug 6 – Oct 15 | 60–85 |
| Tomatoes | Mar 12 | May 28 | Jun 4 | — | Aug 6 – Oct 15 | 60–85 |
| Turnip | — | May 7 | — | Jun 30 | Jun 18 – Jul 23 | 40–60 |
| Watercress | Apr 2 | May 7 | May 14 | Jun 30 | Jun 25 – Jul 30 | 40–60 |
| Watermelon | Apr 2 | May 28 | Jun 4 | — | Aug 13 – Oct 1 | 70–100 |
| Wax Beans | — | May 28 | — | — | Jul 23 – Sep 17 | 50–65 |
| Zucchini | Apr 2 | May 28 | Jun 4 | — | Jul 23 – Sep 17 | 45–60 |
🍓 Fruits to Grow in McCone County
22 fruits that grow well in Zone 4a with planting dates for McCone County.
Show all 22 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Jun 11 | — | Sep 10 – Nov 5 | 90–180 |
| Aronia | — | — | Jun 11 | — | — | 730–1095 |
| Blueberries | — | — | Jun 11 | — | — | 730–1095 |
| Cantaloupe | — | — | Jun 11 | — | Aug 20 – Sep 24 | 70–90 |
| Cranberries | — | — | Jun 11 | — | — | 730–1095 |
| Currants | — | — | Jun 11 | — | — | 730–1095 |
| Elderberries | — | — | Jun 11 | — | — | 730–1095 |
| Goji Berries | — | — | Jun 11 | — | — | 730–1095 |
| Gooseberries | — | — | Jun 11 | — | — | 730–1095 |
| Grapes | — | — | Jun 11 | — | — | 730–1095 |
| Ground Cherry | — | — | Jun 11 | — | Aug 20 – Oct 15 | 65–80 |
| Hardy Kiwi | — | — | Jun 11 | — | — | 1095–1825 |
| Haskaps | — | — | Jun 11 | — | — | 730–1095 |
| Honeydew | — | — | Jun 11 | — | Sep 3 – Oct 15 | 80–110 |
| Jostaberry | — | — | Jun 11 | — | — | 730–1095 |
| Lingonberries | — | — | Jun 11 | — | — | 730–1095 |
| Medlar | — | — | Jun 11 | — | — | 1095–1825 |
| Mulberries | — | — | Jun 11 | — | — | 730–1825 |
| Persimmon | — | — | Jun 11 | — | — | 1095–2555 |
| Raspberries | — | — | Jun 11 | — | — | 365–730 |
| Serviceberries | — | — | Jun 11 | — | — | 730–1095 |
| Strawberries | — | — | Jun 11 | — | Sep 10 – Nov 5 | 90–365 |
🌿 Herbs to Grow in McCone County
30 herbs that grow well in Zone 4a with planting dates for McCone County.
Show all 30 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Apr 2 | May 7 | May 7 | Jun 30 | — | 365–730 |
| Anise | Apr 2 | May 7 | May 7 | Jun 30 | Aug 6 – Oct 1 | 90–120 |
| Basil | Mar 19 | May 21 | Jun 4 | — | Jul 30 – Oct 1 | 50–75 |
| Bee Balm | — | — | May 21 | — | Aug 20 – Oct 15 | 90–120 |
| Borage | Apr 2 | May 7 | May 7 | Jun 30 | Jul 2 – Aug 20 | 50–60 |
| Caraway | Apr 2 | May 7 | May 7 | Jun 30 | — | 365–450 |
| Catnip | — | — | May 21 | — | Jul 23 – Sep 24 | 60–80 |
| Chamomile | Apr 2 | May 7 | May 7 | Jun 30 | Jul 9 – Sep 17 | 60–90 |
| Chervil | Apr 2 | May 7 | May 7 | Jun 30 | Jun 18 – Aug 20 | 40–60 |
| Chives | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Cilantro | Apr 2 | May 7 | May 7 | Jun 30 | Jun 18 – Aug 20 | 40–60 |
| Comfrey | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Dill | Apr 2 | May 7 | May 7 | Jun 30 | Jun 18 – Aug 20 | 40–60 |
| Fennel (herb) | Apr 2 | May 7 | May 7 | Jun 30 | Jul 9 – Sep 17 | 60–90 |
| Garlic Chives | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Horehound | — | — | May 21 | — | Aug 6 – Oct 1 | 75–90 |
| Hyssop | — | — | May 21 | — | Jul 30 – Oct 1 | 70–90 |
| Lemon Balm | — | — | May 21 | — | Jul 23 – Sep 10 | 60–70 |
| Lovage | — | — | May 21 | — | Jul 30 – Oct 1 | 70–90 |
| Mint | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Oregano | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Parsley | Apr 2 | May 7 | May 7 | Jun 30 | Jul 9 – Sep 10 | 60–80 |
| Rue | — | — | May 21 | — | Jul 30 – Oct 1 | 70–90 |
| Sage | — | — | May 21 | — | Aug 6 – Oct 1 | 75–90 |
| Savory | — | — | May 21 | — | Jul 16 – Sep 10 | 50–70 |
| Sorrel | Apr 2 | May 7 | May 7 | Jun 30 | Jun 18 – Aug 20 | 40–60 |
| Tarragon | — | — | May 21 | — | Jul 23 – Oct 1 | 60–90 |
| Thai Basil | Mar 19 | May 21 | Jun 4 | — | Jul 30 – Oct 1 | 50–75 |
| Thyme | — | — | May 21 | — | Jul 30 – Oct 1 | 70–90 |
| Valerian | — | — | May 21 | — | Sep 24 – Oct 15 | 120–180 |
🌸 Flowers to Grow in McCone County
49 flowers that grow well in Zone 4a with planting dates for McCone County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 19 | May 21 | May 21 | — | Jul 16 – Sep 24 | 60–75 |
| Alliums | — | — | — | Aug 11 | Sep 22 – Oct 13 | 28–42 |
| Astilbe | Mar 5 | — | May 28 | — | Aug 20 – Oct 15 | 70–100 |
| Bachelor's Button | Mar 26 | Apr 30 | May 14 | — | Jul 16 – Sep 17 | 60–90 |
| Begonias | Feb 26 | — | May 28 | — | Aug 6 – Oct 8 | 70–90 |
| Black-eyed Susan | Mar 5 | May 14 | May 28 | — | Aug 20 – Oct 29 | 60–80 |
| Bleeding Hearts | Mar 5 | — | May 28 | — | Jul 23 – Sep 3 | 60–90 |
| Calendula | Mar 26 | Apr 30 | May 14 | — | Jul 2 – Sep 17 | 50–70 |
| Celosia | Apr 2 | May 28 | May 28 | — | Jul 30 – Oct 15 | 60–90 |
| Columbine | Mar 5 | May 28 | May 28 | — | Jul 23 – Sep 3 | 70–100 |
| Coreopsis | Mar 5 | May 21 | May 28 | — | Aug 13 – Oct 29 | 60–80 |
| Cosmos | Apr 16 | May 21 | May 21 | — | Jul 30 – Oct 15 | 60–90 |
| Crocus | — | — | — | Aug 11 | Jun 16 – Jul 7 | 10–20 |
| Daffodils | — | — | — | Aug 11 | Jun 23 – Jul 14 | 20–40 |
| Dahlias | Apr 16 | May 28 | May 28 | — | Aug 27 – Oct 29 | 70–120 |
| Daylily | Mar 5 | — | May 28 | — | Aug 27 – Oct 29 | 60–90 |
| Dianthus | Mar 12 | Apr 23 | May 7 | — | Jun 25 – Aug 27 | 60–80 |
| Echinacea (Purple Coneflower) | Mar 5 | May 28 | May 28 | — | Aug 27 – Oct 29 | 70–90 |
| Foxglove | Mar 5 | May 28 | May 28 | — | Jul 23 – Sep 3 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 19 | May 28 | May 28 | — | Aug 6 – Nov 5 | 70–100 |
| Geraniums | Feb 26 | — | May 28 | — | Aug 6 – Oct 8 | 70–100 |
| Gladiolus | — | May 21 | May 21 | — | Aug 20 – Oct 22 | 70–100 |
| Hostas | Feb 26 | — | May 28 | — | Aug 27 – Oct 29 | 60–90 |
| Hyacinths | — | — | — | Aug 11 | Jul 14 – Aug 4 | 14–28 |
| Hydrangeas | Feb 26 | — | May 28 | — | Aug 20 – Oct 15 | 90–150 |
| Impatiens | Mar 12 | — | May 28 | — | Aug 13 – Oct 8 | 60–75 |
| Irises | — | Division | May 28 | — | Jul 23 – Aug 20 | 60–100 |
| Larkspur | — | Apr 9 | — | — | Jun 18 – Jul 30 | 60–90 |
| Lilies | — | Division | May 28 | — | Aug 20 – Oct 22 | 70–120 |
| Lobelia | Mar 5 | — | May 14 | — | Jul 9 – Sep 3 | 70–80 |
| Lupine | Mar 5 | May 28 | May 28 | — | Jul 23 – Sep 3 | 75–100 |
| Marigolds | Apr 2 | May 28 | May 28 | — | Jul 23 – Oct 8 | 50–70 |
| Nasturtium | Apr 16 | May 28 | May 28 | — | Jul 23 – Oct 8 | 55–65 |
| Pansy | Feb 26 | — | May 14 | — | Jul 9 – Aug 27 | 70–90 |
| Peonies | — | Division | May 28 | — | Aug 6 – Sep 10 | 90–120 |
| Petunia | Mar 12 | — | May 28 | — | Aug 13 – Oct 15 | 70–90 |
| Phlox | Mar 5 | May 28 | May 28 | — | Aug 20 – Oct 22 | 80–110 |
| Portulaca | Apr 2 | May 28 | May 28 | — | Jul 16 – Sep 24 | 50–70 |
| Roses | Feb 26 | — | May 28 | — | Aug 20 – Oct 29 | 90–180 |
| Salvia | Mar 5 | — | May 28 | — | Aug 6 – Oct 8 | 70–90 |
| Sedum (Stonecrop) | Mar 5 | — | May 28 | — | Oct 1 – Nov 19 | 60–90 |
| Snapdragon | Feb 26 | — | May 14 | — | Jul 23 – Sep 17 | 70–100 |
| Sunflower | Apr 23 | May 28 | May 28 | — | Aug 20 – Oct 15 | 70–100 |
| Sweet Alyssum | Mar 19 | May 7 | May 14 | — | Jun 25 – Aug 27 | 45–60 |
| Sweet Pea | Mar 26 | Apr 9 | May 14 | — | Aug 6 – Sep 17 | 65–85 |
| Tulips | — | — | — | Aug 11 | Jul 7 – Jul 28 | 15–30 |
| Vinca (Annual) | Feb 26 | — | May 28 | — | Aug 6 – Oct 8 | 70–90 |
| Yarrow | Mar 5 | May 14 | May 28 | — | Aug 13 – Oct 29 | 60–90 |
| Zinnia | Apr 16 | May 28 | May 28 | — | Aug 6 – Oct 15 | 60–70 |
Monthly Planting Guide for McCone County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in McCone County.
Frequently Asked Questions
What planting zone is McCone County, MT?
McCone County is in USDA Hardiness Zone 4a. 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 McCone County, MT?
Based on 30 years of NOAA weather station data, the median last spring frost in McCone County falls around May 14. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in McCone County, MT?
The median first fall frost in McCone County arrives around September 22. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your McCone County Garden Planner — Free
A 22-page printable planner built for McCone County (Zone 4a). 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