Simcoe, ON — Planting Guide
Simcoe is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 17, giving you a growing season of approximately 187 days.
At an elevation of 721 ft, Simcoe receives approximately 39.2 in of rainfall annually. Summer highs average 84°F with winter lows around 18°F. The predominant soil type is Clay Loam.
🌡️ Zone
6b (-5°F to 0°F min)
❄️ Last Frost
April 13
🍂 First Frost
October 17
📅 Growing Season
187 days
⛰️ Elevation
721 ft
🌧️ Annual Rainfall
39.2 in
Simcoe, ON
Moderate season
187 days
Last Spring Frost
April 13
➔
187 growing days
➔
First Fall Frost
October 17
Simcoe Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Zone 6b
Frost Countdown
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Last Frost: Apr 13
First Frost: Oct 17
Soil & Growing Conditions in Simcoe
Soil Type
Clay Loam
Retains moisture well but slow to warm in spring. Amend with compost to improve drainage.
Watering Needs
Moderate rainfall (39.2 in.) — plan to water 1–2 times per week during the growing season.
Season Tips
187-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
Raised Bed Garden Kit
$40-120
Cedar raised bed kit — ideal for poor soil, clay, or small-space gardening.
Perlite
$10-18
Improve drainage and aeration in heavy clay soils with horticultural perlite.
Raised Bed Soil Mix
$20-45
Premium blend of topsoil, compost, and perlite formulated for raised beds.
🥬 Vegetables to Grow in Simcoe
107 vegetables that grow well in Zone 6b with planting dates for Simcoe.
Show all 107 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 9 | Apr 20 | Apr 27 | — | Jul 20 – Aug 24 | 80–100 |
| Amaranth | Feb 16 | Apr 20 | Apr 27 | — | Jul 27 – Sep 14 | 90–120 |
| Arugula | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jul 20 | 30–50 |
| Asparagus | — | — | Apr 27 | — | — | 730–1095 |
| Beets | — | Mar 30 | — | Aug 8 | May 25 – Jun 22 | 50–70 |
| Belgian Endive | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Aug 3 – Sep 28 | 110–150 |
| Bitter Melon | Feb 16 | Apr 20 | Apr 27 | — | Jun 29 – Aug 10 | 60–90 |
| Black Beans | — | Apr 20 | — | — | Jul 20 – Sep 7 | 90–120 |
| Bok Choy | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 29 | 40–60 |
| Broccoli | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 15 – Jul 27 | 60–90 |
| Broccoli Rabe | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 29 | 40–60 |
| Brussels Sprouts | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 13 – Sep 7 | 90–130 |
| Butternut Squash | Mar 9 | Apr 20 | Apr 27 | — | Jul 27 – Aug 31 | 85–110 |
| Cabbage | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 15 – Aug 10 | 60–100 |
| Calabash | Feb 16 | Apr 20 | Apr 27 | — | Jul 20 – Sep 14 | 80–120 |
| Carrots | — | Mar 30 | — | Aug 8 | Jun 1 – Jul 6 | 60–80 |
| Cauliflower | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Aug 10 | 55–100 |
| Celeriac | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 27 – Aug 31 | 100–120 |
| Celery | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 6 – Aug 31 | 80–120 |
| Celtuce | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 15 – Jul 27 | 60–90 |
| Chard | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Jul 27 | 50–60 |
| Chickpeas | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 6 – Aug 17 | 80–110 |
| Chicory | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 15 – Jul 27 | 60–85 |
| Chinese Cabbage | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Jul 6 | 50–70 |
| Christmas Lima Beans | Feb 16 | Apr 20 | Apr 27 | — | Jul 20 – Aug 24 | 80–100 |
| Collard Greens | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Aug 10 | 55–75 |
| Corn | — | Apr 20 | — | — | Jun 22 – Aug 17 | 60–100 |
| Cowpeas | — | Apr 20 | — | — | Jun 22 – Aug 3 | 60–90 |
| Cress | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Apr 27 – May 18 | 14–21 |
| Crookneck Squash | Mar 9 | Apr 20 | Apr 27 | — | Jun 15 – Jul 13 | 45–60 |
| Crosne | — | Mar 30 | — | Aug 8 | Aug 31 – Oct 12 | 150–200 |
| Cucumber | Mar 9 | Apr 20 | Apr 27 | — | Jun 22 – Aug 17 | 50–70 |
| Daikon | — | Mar 30 | — | Aug 8 | May 25 – Jun 22 | 50–70 |
| Delicata Squash | Mar 9 | Apr 20 | Apr 27 | — | Jul 20 – Aug 24 | 80–100 |
| Edamame | — | Apr 20 | — | — | Jul 6 – Aug 17 | 75–100 |
| Eggplant | Feb 2 | Apr 20 | Apr 27 | — | Jul 6 – Sep 7 | 65–85 |
| Endive | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 1 – Jul 6 | 45–65 |
| Escarole | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Jul 6 | 50–70 |
| Fava Beans | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 29 – Aug 10 | 75–100 |
| Fennel | Feb 16 | Apr 20 | Apr 27 | — | Jun 29 – Aug 10 | 60–90 |
| Garlic | — | — | — | Sep 5 | Dec 5 – Mar 20 | 90–240 |
| Green Beans | — | Apr 20 | — | — | Jun 15 – Aug 10 | 50–65 |
| Horseradish | — | — | Apr 27 | — | Aug 31 – Nov 9 | 120–180 |
| Hot Peppers | Feb 2 | Apr 20 | Apr 27 | — | Jul 6 – Oct 12 | 70–120 |
| Hubbard Squash | Mar 9 | Apr 20 | Apr 27 | — | Aug 10 – Sep 14 | 100–120 |
| Kabocha | Mar 9 | Apr 20 | Apr 27 | — | Jul 27 – Aug 24 | 85–100 |
| Kai Lan | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 1 – Jun 29 | 45–60 |
| Kale | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Aug 3 | 50–70 |
| Kidney Beans | — | Apr 20 | — | — | Jul 20 – Aug 24 | 85–110 |
| Kohlrabi | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 1 – Jul 6 | 45–65 |
| Komatsuna | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jun 22 | 35–50 |
| Leeks | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 13 – Sep 28 | 90–150 |
| Lentils | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 6 – Aug 17 | 80–110 |
| Lettuce | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jul 27 | 30–60 |
| Lima Beans | — | Apr 20 | — | — | Jun 22 – Aug 3 | 60–90 |
| Loofah | Feb 16 | Apr 20 | Apr 27 | — | Aug 10 – Oct 12 | 100–150 |
| Luffa | Feb 16 | Apr 20 | Apr 27 | — | Jul 27 – Oct 12 | 90–150 |
| Mache | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 29 | 40–60 |
| Melon | Mar 9 | Apr 20 | Apr 27 | — | Jul 6 – Aug 24 | 70–100 |
| Microgreens | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Apr 20 – May 18 | 7–21 |
| Mitsuba | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jun 1 – Jul 27 | 50–70 |
| Mizuna | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jun 15 | 30–45 |
| Mustard Greens | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jul 20 | 30–50 |
| Napa Cabbage | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Jul 13 | 55–75 |
| New Zealand Spinach | Feb 16 | Apr 20 | Apr 27 | — | Jun 22 – Jul 20 | 55–70 |
| Okra | Feb 16 | Apr 20 | Apr 27 | — | Jun 22 – Aug 17 | 50–65 |
| Onion | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 13 – Aug 31 | 90–120 |
| Pac Choi | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 22 | 40–55 |
| Parsnip | — | Mar 30 | — | Aug 8 | Jul 13 – Aug 24 | 100–130 |
| Patty Pan Squash | Mar 9 | Apr 20 | Apr 27 | — | Jun 15 – Jul 13 | 45–60 |
| Peas | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Aug 3 | 55–70 |
| Peppers | Feb 2 | Apr 20 | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Pole Beans | Feb 16 | Apr 20 | Apr 27 | — | Jun 22 – Aug 17 | 55–70 |
| Potatoes | Feb 16 | Apr 20 | Apr 27 | — | Jul 6 – Sep 14 | 70–120 |
| Pumpkin | Mar 9 | Apr 20 | Apr 27 | — | Jul 27 – Sep 14 | 85–120 |
| Purslane | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 29 | 40–60 |
| Radicchio | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 15 – Jul 20 | 60–80 |
| Radish | — | Mar 30 | — | Aug 8 | Apr 27 – May 18 | 22–35 |
| Rhubarb | — | — | May 4 | — | — | 365–730 |
| Romanesco | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 29 – Aug 10 | 75–100 |
| Rutabaga | — | Mar 30 | — | Aug 8 | Jun 22 – Jul 27 | 80–100 |
| Salsify | — | Mar 30 | — | Aug 8 | Jul 13 – Aug 24 | 100–130 |
| Savoy Cabbage | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 22 – Aug 17 | 70–110 |
| Scallions | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Jul 6 | 50–70 |
| Scarlet Runner Beans | Feb 16 | Apr 20 | Apr 27 | — | Jun 29 – Aug 3 | 60–80 |
| Shallot | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jul 13 – Aug 31 | 90–120 |
| Shiso | Feb 23 | Apr 20 | Apr 27 | — | Jun 22 – Aug 17 | 50–70 |
| Snap Peas | Feb 16 | Apr 20 | Apr 27 | — | Jun 22 – Aug 17 | 55–70 |
| Snow Peas | Mar 9 | Mar 30 | Apr 13 | Aug 8 | Jun 8 – Aug 3 | 50–65 |
| Soybeans | — | Apr 20 | — | — | Jul 13 – Sep 7 | 80–120 |
| Spaghetti Squash | Mar 9 | Apr 20 | Apr 27 | — | Jul 27 – Aug 24 | 85–100 |
| Spinach | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jul 20 | 35–50 |
| Squash (Summer) | Mar 9 | Apr 20 | Apr 27 | — | Jun 15 – Aug 17 | 45–65 |
| Squash (Winter) | Mar 9 | Apr 20 | Apr 27 | — | Jul 20 – Sep 14 | 80–120 |
| Sunchoke | — | — | Apr 27 | — | Aug 17 – Oct 12 | 110–150 |
| Sweet Corn | — | Apr 20 | — | — | Jun 22 – Aug 3 | 60–90 |
| Sweet Potatoes | Feb 16 | Apr 20 | Apr 27 | — | Jul 27 – Sep 14 | 90–120 |
| Tatsoi | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 18 – Jun 22 | 35–50 |
| Tomatillo | Feb 16 | Apr 20 | Apr 27 | — | Jun 29 – Sep 7 | 60–85 |
| Tomatoes | Feb 16 | Apr 20 | Apr 27 | — | Jun 29 – Sep 7 | 60–85 |
| Turnip | — | Mar 30 | — | Aug 8 | May 11 – Jun 15 | 40–60 |
| Watercress | Mar 9 | Mar 30 | Apr 13 | Aug 8 | May 25 – Jun 29 | 40–60 |
| Watermelon | Mar 9 | Apr 20 | Apr 27 | — | Jul 6 – Aug 24 | 70–100 |
| Wax Beans | — | Apr 20 | — | — | Jun 15 – Aug 10 | 50–65 |
| Winter Melon | Feb 16 | Apr 20 | Apr 27 | — | Jul 27 – Sep 14 | 90–120 |
| Yard Long Beans | Feb 16 | Apr 20 | Apr 27 | — | Jun 22 – Aug 3 | 55–80 |
| Zucchini | Mar 9 | Apr 20 | Apr 27 | — | Jun 15 – Aug 10 | 45–60 |
🍓 Fruits to Grow in Simcoe
27 fruits that grow well in Zone 6b with planting dates for Simcoe.
Show all 27 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 4 | — | Aug 3 – Nov 16 | 90–180 |
| Aronia | — | — | May 4 | — | — | 730–1095 |
| Blackberries | — | — | May 4 | — | — | 365–730 |
| Blueberries | — | — | May 4 | — | — | 730–1095 |
| Boysenberries | — | — | May 4 | — | — | 365–730 |
| Cantaloupe | — | — | May 4 | — | Jul 13 – Aug 17 | 70–90 |
| Che Fruit | — | — | May 4 | — | — | 1095–1825 |
| Cranberries | — | — | May 4 | — | — | 730–1095 |
| Currants | — | — | May 4 | — | — | 730–1095 |
| Elderberries | — | — | May 4 | — | — | 730–1095 |
| Goji Berries | — | — | May 4 | — | — | 730–1095 |
| Gooseberries | — | — | May 4 | — | — | 730–1095 |
| Grapes | — | — | May 4 | — | — | 730–1095 |
| Ground Cherry | — | — | May 4 | — | Jul 13 – Sep 7 | 65–80 |
| Hardy Kiwi | — | — | May 4 | — | — | 1095–1825 |
| Haskaps | — | — | May 4 | — | — | 730–1095 |
| Honeydew | — | — | May 4 | — | Jul 27 – Sep 7 | 80–110 |
| Jostaberry | — | — | May 4 | — | — | 730–1095 |
| Lingonberries | — | — | May 4 | — | — | 730–1095 |
| Medlar | — | — | May 4 | — | — | 1095–1825 |
| Mulberries | — | — | May 4 | — | — | 730–1825 |
| Pawpaw | — | — | May 4 | — | — | 1095–2555 |
| Persimmon | — | — | May 4 | — | — | 1095–2555 |
| Quince | — | — | May 4 | — | — | 1095–1825 |
| Raspberries | — | — | May 4 | — | — | 365–730 |
| Serviceberries | — | — | May 4 | — | — | 730–1095 |
| Strawberries | — | — | May 4 | — | Aug 3 – Nov 16 | 90–365 |
🌿 Herbs to Grow in Simcoe
35 herbs that grow well in Zone 6b with planting dates for Simcoe.
Show all 35 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 9 | Mar 30 | Apr 6 | Aug 8 | — | 365–730 |
| Anise | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jul 6 – Sep 21 | 90–120 |
| Basil | Feb 23 | Apr 20 | Apr 27 | — | Jun 22 – Aug 24 | 50–75 |
| Bee Balm | — | — | Apr 20 | — | Jul 20 – Oct 5 | 90–120 |
| Borage | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jun 1 – Jul 20 | 50–60 |
| Caraway | Mar 9 | Mar 30 | Apr 6 | Aug 8 | — | 365–450 |
| Catnip | — | — | Apr 20 | — | Jun 22 – Aug 24 | 60–80 |
| Chamomile | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jun 8 – Aug 17 | 60–90 |
| Chervil | Mar 9 | Mar 30 | Apr 6 | Aug 8 | May 18 – Jul 20 | 40–60 |
| Chives | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Cilantro | Mar 9 | Mar 30 | Apr 6 | Aug 8 | May 18 – Jul 20 | 40–60 |
| Comfrey | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Cumin | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jul 20 – Sep 21 | 100–120 |
| Dill | Mar 9 | Mar 30 | Apr 6 | Aug 8 | May 18 – Jul 20 | 40–60 |
| Epazote | Feb 23 | Apr 20 | Apr 27 | — | Jun 15 – Aug 10 | 45–60 |
| Fennel (herb) | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jun 8 – Aug 17 | 60–90 |
| Feverfew | — | — | Apr 20 | — | Jul 20 – Oct 5 | 90–120 |
| Garlic Chives | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Horehound | — | — | Apr 20 | — | Jul 6 – Aug 31 | 75–90 |
| Hyssop | — | — | Apr 20 | — | Jun 29 – Aug 31 | 70–90 |
| Lemon Balm | — | — | Apr 20 | — | Jun 22 – Aug 10 | 60–70 |
| Lemon Thyme | — | — | Apr 20 | — | Jun 29 – Aug 31 | 70–90 |
| Lovage | — | — | Apr 20 | — | Jun 29 – Aug 31 | 70–90 |
| Marjoram | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Mint | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Oregano | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Parsley | Mar 9 | Mar 30 | Apr 6 | Aug 8 | Jun 8 – Aug 10 | 60–80 |
| Rue | — | — | Apr 20 | — | Jun 29 – Aug 31 | 70–90 |
| Sage | — | — | Apr 20 | — | Jul 6 – Aug 31 | 75–90 |
| Savory | — | — | Apr 20 | — | Jun 15 – Aug 10 | 50–70 |
| Sorrel | Mar 9 | Mar 30 | Apr 6 | Aug 8 | May 18 – Jul 20 | 40–60 |
| Tarragon | — | — | Apr 20 | — | Jun 22 – Aug 31 | 60–90 |
| Thai Basil | Feb 23 | Apr 20 | Apr 27 | — | Jun 22 – Aug 24 | 50–75 |
| Thyme | — | — | Apr 20 | — | Jun 29 – Aug 31 | 70–90 |
| Valerian | — | — | Apr 20 | — | Aug 24 – Nov 2 | 120–180 |
🌸 Flowers to Grow in Simcoe
53 flowers that grow well in Zone 6b with planting dates for Simcoe.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Feb 23 | Apr 13 | Apr 13 | — | Jun 8 – Sep 21 | 60–75 |
| Alliums | — | — | — | Sep 5 | Oct 3 – Oct 31 | 28–42 |
| Anemones | Mar 16 | — | Apr 13 | — | May 11 – Jun 8 | 90–120 |
| Astilbe | Feb 9 | — | Apr 20 | — | Jun 29 – Sep 7 | 70–100 |
| Bachelor's Button | Mar 2 | Mar 16 | Apr 13 | Sep 5 | Jun 15 – Sep 7 | 60–90 |
| Begonias | Feb 2 | — | Apr 20 | — | Jun 29 – Oct 5 | 70–90 |
| Black-eyed Susan | Feb 9 | Apr 13 | Apr 20 | — | Jul 6 – Oct 26 | 60–80 |
| Bleeding Hearts | Feb 9 | — | Apr 20 | — | Jun 15 – Jul 20 | 60–90 |
| Calendula | Mar 2 | Mar 16 | Apr 13 | — | Jun 1 – Sep 7 | 50–70 |
| California Poppy | — | Mar 16 | — | — | May 25 – Jul 20 | 60–90 |
| Celosia | Mar 9 | Apr 20 | Apr 20 | — | Jun 22 – Oct 12 | 60–90 |
| Columbine | Feb 9 | Apr 20 | Apr 20 | — | Jun 15 – Jul 20 | 70–100 |
| Coreopsis | Feb 9 | Apr 13 | Apr 20 | — | Jun 29 – Oct 26 | 60–80 |
| Cosmos | Mar 16 | Apr 13 | Apr 13 | — | Jun 22 – Oct 5 | 60–90 |
| Crocus | — | — | — | Sep 5 | Jul 25 – Aug 15 | 10–20 |
| Daffodils | — | — | — | Sep 5 | Aug 1 – Aug 22 | 20–40 |
| Dahlias | Mar 16 | Apr 20 | Apr 20 | — | Jul 6 – Oct 26 | 70–120 |
| Daylily | Feb 9 | — | Apr 20 | — | Jul 6 – Oct 26 | 60–90 |
| Dianthus | Feb 16 | Mar 16 | Mar 23 | — | May 11 – Aug 10 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 9 | Apr 20 | Apr 20 | — | Jul 6 – Oct 26 | 70–90 |
| Foxglove | Feb 9 | Apr 20 | Apr 20 | — | Jun 15 – Jul 20 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 23 | Apr 20 | Apr 20 | — | Jun 29 – Nov 2 | 70–100 |
| Geraniums | Feb 2 | — | Apr 20 | — | Jun 29 – Oct 5 | 70–100 |
| Gladiolus | — | Apr 13 | Apr 13 | — | Jun 29 – Oct 19 | 70–100 |
| Hostas | Feb 2 | — | Apr 20 | — | Jul 6 – Oct 26 | 60–90 |
| Hyacinths | — | — | — | Sep 5 | Aug 22 – Sep 12 | 14–28 |
| Hydrangeas | Feb 2 | — | Apr 20 | — | Jun 29 – Oct 12 | 90–150 |
| Impatiens | Feb 16 | — | Apr 20 | — | Jun 29 – Oct 12 | 60–75 |
| Irises | — | Division | Apr 20 | — | Jun 15 – Jul 13 | 60–100 |
| Larkspur | — | Mar 16 | — | — | May 25 – Jul 20 | 60–90 |
| Lavender | Feb 2 | — | Apr 27 | — | Jul 6 – Aug 31 | 90–120 |
| Lilies | — | Division | Apr 20 | — | Jun 29 – Oct 5 | 70–120 |
| Lobelia | Feb 9 | — | Mar 30 | — | May 25 – Aug 17 | 70–80 |
| Lupine | Feb 9 | Apr 20 | Apr 20 | — | Jun 15 – Jul 20 | 75–100 |
| Marigolds | Mar 2 | Apr 13 | Apr 13 | — | Jun 8 – Sep 14 | 50–70 |
| Nasturtium | Mar 16 | Apr 13 | Apr 13 | — | Jun 8 – Oct 5 | 55–65 |
| Pansy | Feb 2 | — | Apr 13 | Aug 22 | Jun 8 – Aug 17 | 70–90 |
| Peonies | — | Division | Apr 20 | — | Jun 22 – Jul 27 | 90–120 |
| Petunia | Feb 16 | — | Apr 20 | — | Jun 29 – Oct 12 | 70–90 |
| Phlox | Feb 9 | Apr 20 | Apr 20 | — | Jun 29 – Sep 21 | 80–110 |
| Portulaca | Mar 9 | Apr 20 | Apr 20 | — | Jun 8 – Sep 28 | 50–70 |
| Ranunculus | Mar 2 | — | Apr 13 | — | May 18 – Jun 15 | 90–120 |
| Roses | Feb 2 | — | Apr 20 | — | Jun 29 – Oct 26 | 90–180 |
| Salvia | Feb 9 | — | Apr 13 | — | Jun 22 – Oct 5 | 70–90 |
| Sedum (Stonecrop) | Feb 9 | — | Apr 20 | — | Aug 10 – Nov 2 | 60–90 |
| Snapdragon | Feb 2 | Mar 23 | Apr 13 | — | Jun 22 – Sep 7 | 70–100 |
| Sunflower | Mar 23 | Apr 13 | Apr 13 | — | Jul 6 – Oct 5 | 70–100 |
| Sweet Alyssum | Mar 2 | Mar 23 | Apr 13 | — | May 25 – Aug 10 | 45–60 |
| Sweet Pea | Mar 2 | Mar 9 | Apr 13 | — | Jun 29 – Sep 7 | 65–85 |
| Tulips | — | — | — | Sep 12 | Aug 22 – Sep 19 | 15–30 |
| Vinca (Annual) | Feb 2 | — | Apr 20 | — | Jun 29 – Oct 12 | 70–90 |
| Yarrow | Feb 9 | Apr 13 | Apr 20 | — | Jun 29 – Oct 26 | 60–90 |
| Zinnia | Mar 16 | Apr 13 | Apr 13 | — | Jun 22 – Sep 28 | 60–70 |
Monthly Planting Guide for Simcoe
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Simcoe.
Frequently Asked Questions
What planting zone is Simcoe, ON?
Simcoe 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 Simcoe, ON?
Based on 30 years of NOAA weather station data, the median last spring frost in Simcoe falls around April 13. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in Simcoe, ON?
The median first fall frost in Simcoe arrives around October 17. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your Simcoe Garden Planner — Free
A 22-page printable planner built for Simcoe (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
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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