London, ON — Planting Guide
London is in USDA Zone 7b. The average last spring frost is April 3 and the first fall frost is October 27, giving you a growing season of approximately 207 days.
At an elevation of 823 ft, London receives approximately 36.1 in of rainfall annually. Summer highs average 87°F with winter lows around 36°F. The predominant soil type is Clay Loam.
🌡️ Zone
7b (5°F to 10°F min)
❄️ Last Frost
April 3
🍂 First Frost
October 27
📅 Growing Season
207 days
⛰️ Elevation
823 ft
🌧️ Annual Rainfall
36.1 in
London, ON
Long season
207 days
Last Spring Frost
April 3
➔
207 growing days
➔
First Fall Frost
October 27
London Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Zone 7b
Frost Countdown
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Last Frost: Apr 3
First Frost: Oct 27
Soil & Growing Conditions in London
Soil Type
Clay Loam
Retains moisture well but slow to warm in spring. Amend with compost to improve drainage.
Watering Needs
Moderate rainfall (36.1 in.) — plan to water 1–2 times per week during the growing season.
Season Tips
207-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 London
112 vegetables that grow well in Zone 7b with planting dates for London.
Show all 112 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 6 | Apr 10 | Apr 17 | — | Jul 10 – Aug 14 | 80–100 |
| Amaranth | Feb 13 | Apr 10 | Apr 17 | — | Jul 17 – Sep 4 | 90–120 |
| Artichoke | — | — | Apr 17 | — | Aug 21 – Oct 30 | 120–180 |
| Arugula | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jul 10 | 30–50 |
| Asparagus | — | — | Apr 17 | — | — | 730–1095 |
| Beets | — | Mar 20 | — | Aug 18 | May 15 – Jun 12 | 50–70 |
| Belgian Endive | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 24 – Sep 18 | 110–150 |
| Bitter Melon | Feb 13 | Apr 10 | Apr 17 | — | Jun 19 – Jul 31 | 60–90 |
| Black Beans | — | Apr 10 | — | — | Jul 10 – Aug 28 | 90–120 |
| Bok Choy | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 19 | 40–60 |
| Broccoli | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 5 – Jul 17 | 60–90 |
| Broccoli Rabe | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 19 | 40–60 |
| Brussels Sprouts | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 3 – Aug 28 | 90–130 |
| Butternut Squash | Mar 6 | Apr 10 | Apr 17 | — | Jul 17 – Aug 21 | 85–110 |
| Cabbage | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 5 – Jul 31 | 60–100 |
| Calabash | Feb 13 | Apr 10 | Apr 17 | — | Jul 10 – Sep 4 | 80–120 |
| Cardoon | — | — | Apr 17 | — | Aug 21 – Oct 2 | 120–150 |
| Carrots | — | Mar 20 | — | Aug 18 | May 22 – Jun 26 | 60–80 |
| Cauliflower | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 31 | 55–100 |
| Celeriac | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 17 – Aug 21 | 100–120 |
| Celery | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 26 – Aug 21 | 80–120 |
| Celtuce | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 5 – Jul 17 | 60–90 |
| Chard | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 17 | 50–60 |
| Chayote | Feb 13 | Apr 10 | Apr 17 | — | Aug 21 – Oct 30 | 120–180 |
| Chickpeas | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 26 – Aug 7 | 80–110 |
| Chicory | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 5 – Jul 17 | 60–85 |
| Chinese Cabbage | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jun 26 | 50–70 |
| Christmas Lima Beans | Feb 13 | Apr 10 | Apr 17 | — | Jul 10 – Aug 14 | 80–100 |
| Collard Greens | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 31 | 55–75 |
| Corn | — | Apr 10 | — | — | Jun 12 – Aug 7 | 60–100 |
| Cowpeas | — | Apr 10 | — | — | Jun 12 – Jul 24 | 60–90 |
| Cress | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Apr 17 – May 8 | 14–21 |
| Crookneck Squash | Mar 6 | Apr 10 | Apr 17 | — | Jun 5 – Jul 3 | 45–60 |
| Crosne | — | Mar 20 | — | Aug 18 | Aug 21 – Oct 23 | 150–200 |
| Cucumber | Mar 6 | Apr 10 | Apr 17 | — | Jun 12 – Aug 7 | 50–70 |
| Daikon | — | Mar 20 | — | Aug 18 | May 15 – Jun 12 | 50–70 |
| Delicata Squash | Mar 6 | Apr 10 | Apr 17 | — | Jul 10 – Aug 14 | 80–100 |
| Edamame | — | Apr 10 | — | — | Jun 26 – Aug 7 | 75–100 |
| Eggplant | Jan 30 | Apr 10 | Apr 17 | — | Jun 26 – Aug 28 | 65–85 |
| Endive | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 22 – Jun 26 | 45–65 |
| Escarole | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jun 26 | 50–70 |
| Fava Beans | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 19 – Jul 31 | 75–100 |
| Fennel | Feb 13 | Apr 10 | Apr 17 | — | Jun 19 – Jul 31 | 60–90 |
| Garlic | — | — | — | Sep 15 | Dec 15 – Apr 27 | 90–240 |
| Green Beans | — | Apr 10 | — | — | Jun 5 – Jul 31 | 50–65 |
| Horseradish | — | — | Apr 17 | — | Aug 21 – Oct 30 | 120–180 |
| Hot Peppers | Jan 30 | Apr 10 | Apr 17 | — | Jun 26 – Oct 2 | 70–120 |
| Hubbard Squash | Mar 6 | Apr 10 | Apr 17 | — | Jul 31 – Sep 4 | 100–120 |
| Jicama | Feb 13 | Apr 10 | Apr 17 | — | Aug 21 – Oct 30 | 120–180 |
| Kabocha | Mar 6 | Apr 10 | Apr 17 | — | Jul 17 – Aug 14 | 85–100 |
| Kai Lan | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 22 – Jun 19 | 45–60 |
| Kale | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 24 | 50–70 |
| Kidney Beans | — | Apr 10 | — | — | Jul 10 – Aug 14 | 85–110 |
| Kohlrabi | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 22 – Jun 26 | 45–65 |
| Komatsuna | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jun 12 | 35–50 |
| Leeks | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 3 – Sep 18 | 90–150 |
| Lentils | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 26 – Aug 7 | 80–110 |
| Lettuce | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jul 17 | 30–60 |
| Lima Beans | — | Apr 10 | — | — | Jun 12 – Jul 24 | 60–90 |
| Loofah | Feb 13 | Apr 10 | Apr 17 | — | Jul 31 – Oct 2 | 100–150 |
| Luffa | Feb 13 | Apr 10 | Apr 17 | — | Jul 17 – Oct 2 | 90–150 |
| Mache | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 19 | 40–60 |
| Malabar Spinach | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Jul 10 | 55–70 |
| Melon | Mar 6 | Apr 10 | Apr 17 | — | Jun 26 – Aug 14 | 70–100 |
| Microgreens | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Apr 10 – May 8 | 7–21 |
| Mitsuba | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 22 – Jul 17 | 50–70 |
| Mizuna | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jun 5 | 30–45 |
| Mustard Greens | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jul 10 | 30–50 |
| Napa Cabbage | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 3 | 55–75 |
| New Zealand Spinach | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Jul 10 | 55–70 |
| Okra | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 7 | 50–65 |
| Onion | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 3 – Aug 21 | 90–120 |
| Pac Choi | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 12 | 40–55 |
| Parsnip | — | Mar 20 | — | Aug 18 | Jul 3 – Aug 14 | 100–130 |
| Patty Pan Squash | Mar 6 | Apr 10 | Apr 17 | — | Jun 5 – Jul 3 | 45–60 |
| Peas | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 24 | 55–70 |
| Peppers | Jan 30 | Apr 10 | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Pole Beans | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 7 | 55–70 |
| Potatoes | Feb 13 | Apr 10 | Apr 17 | — | Jun 26 – Sep 4 | 70–120 |
| Pumpkin | Mar 6 | Apr 10 | Apr 17 | — | Jul 17 – Sep 4 | 85–120 |
| Purslane | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 19 | 40–60 |
| Radicchio | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 5 – Jul 10 | 60–80 |
| Radish | — | Mar 20 | — | Aug 18 | Apr 17 – May 8 | 22–35 |
| Rhubarb | — | — | Apr 24 | — | — | 365–730 |
| Romanesco | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 19 – Jul 31 | 75–100 |
| Rutabaga | — | Mar 20 | — | Aug 18 | Jun 12 – Jul 17 | 80–100 |
| Salsify | — | Mar 20 | — | Aug 18 | Jul 3 – Aug 14 | 100–130 |
| Savoy Cabbage | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jun 12 – Aug 7 | 70–110 |
| Scallions | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jun 26 | 50–70 |
| Scarlet Runner Beans | Feb 13 | Apr 10 | Apr 17 | — | Jun 19 – Jul 24 | 60–80 |
| Shallot | Feb 27 | Mar 20 | Apr 3 | Aug 18 | Jul 3 – Aug 21 | 90–120 |
| Shiso | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 7 | 50–70 |
| Snap Peas | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 7 | 55–70 |
| Snow Peas | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 29 – Jul 24 | 50–65 |
| Soybeans | — | Apr 10 | — | — | Jul 3 – Aug 28 | 80–120 |
| Spaghetti Squash | Mar 6 | Apr 10 | Apr 17 | — | Jul 17 – Aug 14 | 85–100 |
| Spinach | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jul 10 | 35–50 |
| Squash (Summer) | Mar 6 | Apr 10 | Apr 17 | — | Jun 5 – Aug 7 | 45–65 |
| Squash (Winter) | Mar 6 | Apr 10 | Apr 17 | — | Jul 10 – Sep 4 | 80–120 |
| Sunchoke | — | — | Apr 17 | — | Aug 7 – Oct 2 | 110–150 |
| Sweet Corn | — | Apr 10 | — | — | Jun 12 – Jul 24 | 60–90 |
| Sweet Potatoes | Feb 13 | Apr 10 | Apr 17 | — | Jul 17 – Sep 4 | 90–120 |
| Tatsoi | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 8 – Jun 12 | 35–50 |
| Tomatillo | Feb 13 | Apr 10 | Apr 17 | — | Jun 19 – Aug 28 | 60–85 |
| Tomatoes | Feb 13 | Apr 10 | Apr 17 | — | Jun 19 – Aug 28 | 60–85 |
| Turnip | — | Mar 20 | — | Aug 18 | May 1 – Jun 5 | 40–60 |
| Watercress | Feb 27 | Mar 20 | Apr 3 | Aug 18 | May 15 – Jun 19 | 40–60 |
| Watermelon | Mar 6 | Apr 10 | Apr 17 | — | Jun 26 – Aug 14 | 70–100 |
| Wax Beans | — | Apr 10 | — | — | Jun 5 – Jul 31 | 50–65 |
| Winter Melon | Feb 13 | Apr 10 | Apr 17 | — | Jul 17 – Sep 4 | 90–120 |
| Yard Long Beans | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Jul 24 | 55–80 |
| Zucchini | Mar 6 | Apr 10 | Apr 17 | — | Jun 5 – Jul 31 | 45–60 |
🍓 Fruits to Grow in London
31 fruits that grow well in Zone 7b with planting dates for London.
Show all 31 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Apr 24 | — | Jul 24 – Nov 6 | 90–180 |
| Aronia | — | — | Apr 24 | — | — | 730–1095 |
| Blackberries | — | — | Apr 24 | — | — | 365–730 |
| Blueberries | — | — | Apr 24 | — | — | 730–1095 |
| Boysenberries | — | — | Apr 24 | — | — | 365–730 |
| Cantaloupe | — | — | Apr 24 | — | Jul 3 – Aug 7 | 70–90 |
| Che Fruit | — | — | Apr 24 | — | — | 1095–1825 |
| Cranberries | — | — | Apr 24 | — | — | 730–1095 |
| Currants | — | — | Apr 24 | — | — | 730–1095 |
| Elderberries | — | — | Apr 24 | — | — | 730–1095 |
| Figs | — | — | Apr 24 | — | — | 730–1825 |
| Goji Berries | — | — | Apr 24 | — | — | 730–1095 |
| Gooseberries | — | — | Apr 24 | — | — | 730–1095 |
| Grapes | — | — | Apr 24 | — | — | 730–1095 |
| Ground Cherry | — | — | Apr 24 | — | Jul 3 – Aug 28 | 65–80 |
| Hardy Kiwi | — | — | Apr 24 | — | — | 1095–1825 |
| Haskaps | — | — | Apr 24 | — | — | 730–1095 |
| Honeydew | — | — | Apr 24 | — | Jul 17 – Aug 28 | 80–110 |
| Jostaberry | — | — | Apr 24 | — | — | 730–1095 |
| Kiwi | — | — | Apr 24 | — | — | 1095–1825 |
| Lingonberries | — | — | Apr 24 | — | — | 730–1095 |
| Loquat | — | — | Apr 24 | — | — | 730–1825 |
| Medlar | — | — | Apr 24 | — | — | 1095–1825 |
| Mulberries | — | — | Apr 24 | — | — | 730–1825 |
| Pawpaw | — | — | Apr 24 | — | — | 1095–2555 |
| Persimmon | — | — | Apr 24 | — | — | 1095–2555 |
| Pomegranate | — | — | Apr 24 | — | — | 730–1095 |
| Quince | — | — | Apr 24 | — | — | 1095–1825 |
| Raspberries | — | — | Apr 24 | — | — | 365–730 |
| Serviceberries | — | — | Apr 24 | — | — | 730–1095 |
| Strawberries | — | — | Apr 24 | — | Jul 24 – Dec 4 | 90–365 |
🌿 Herbs to Grow in London
36 herbs that grow well in Zone 7b with planting dates for London.
Show all 36 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Feb 27 | Mar 20 | Mar 27 | Aug 18 | — | 365–730 |
| Anise | Feb 27 | Mar 20 | Mar 27 | Aug 18 | Jun 26 – Sep 11 | 90–120 |
| Basil | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 14 | 50–75 |
| Bee Balm | — | — | Apr 10 | — | Jul 10 – Sep 25 | 90–120 |
| Borage | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 22 – Jul 10 | 50–60 |
| Caraway | Feb 27 | Mar 20 | Mar 27 | Aug 18 | — | 365–450 |
| Catnip | — | — | Apr 10 | — | Jun 12 – Aug 14 | 60–80 |
| Chamomile | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 29 – Aug 7 | 60–90 |
| Chervil | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 8 – Jul 10 | 40–60 |
| Chives | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Cilantro | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 8 – Jul 10 | 40–60 |
| Comfrey | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Cumin | Feb 27 | Mar 20 | Mar 27 | Aug 18 | Jul 10 – Sep 11 | 100–120 |
| Dill | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 8 – Jul 10 | 40–60 |
| Epazote | Feb 13 | Apr 10 | Apr 17 | — | Jun 5 – Jul 31 | 45–60 |
| Fennel (herb) | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 29 – Aug 7 | 60–90 |
| Feverfew | — | — | Apr 10 | — | Jul 10 – Sep 25 | 90–120 |
| Garlic Chives | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Horehound | — | — | Apr 10 | — | Jun 26 – Aug 21 | 75–90 |
| Hyssop | — | — | Apr 10 | — | Jun 19 – Aug 21 | 70–90 |
| Lemon Balm | — | — | Apr 10 | — | Jun 12 – Jul 31 | 60–70 |
| Lemon Thyme | — | — | Apr 10 | — | Jun 19 – Aug 21 | 70–90 |
| Lovage | — | — | Apr 10 | — | Jun 19 – Aug 21 | 70–90 |
| Marjoram | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Mint | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Oregano | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Parsley | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 29 – Jul 31 | 60–80 |
| Rosemary | — | — | Apr 10 | — | Jul 3 – Nov 20 | 80–180 |
| Rue | — | — | Apr 10 | — | Jun 19 – Aug 21 | 70–90 |
| Sage | — | — | Apr 10 | — | Jun 26 – Aug 21 | 75–90 |
| Savory | — | — | Apr 10 | — | Jun 5 – Jul 31 | 50–70 |
| Sorrel | Feb 27 | Mar 20 | Mar 27 | Aug 18 | May 8 – Jul 10 | 40–60 |
| Tarragon | — | — | Apr 10 | — | Jun 12 – Aug 21 | 60–90 |
| Thai Basil | Feb 13 | Apr 10 | Apr 17 | — | Jun 12 – Aug 14 | 50–75 |
| Thyme | — | — | Apr 10 | — | Jun 19 – Aug 21 | 70–90 |
| Valerian | — | — | Apr 10 | — | Aug 14 – Nov 20 | 120–180 |
🌸 Flowers to Grow in London
53 flowers that grow well in Zone 7b with planting dates for London.
Show all 53 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Feb 20 | Apr 3 | Apr 3 | — | May 29 – Oct 2 | 60–75 |
| Alliums | — | — | — | Sep 22 | Oct 20 – Nov 10 | 28–42 |
| Anemones | — | — | — | Sep 1 | Sep 15 – Oct 13 | 90–120 |
| Astilbe | Jan 30 | — | Apr 10 | — | Jun 19 – Aug 14 | 70–100 |
| Bachelor's Button | Feb 20 | Feb 27 | Apr 3 | Sep 1 | Jun 5 – Sep 11 | 60–90 |
| Begonias | Jan 23 | — | Apr 3 | — | Jun 12 – Oct 16 | 70–90 |
| Black-eyed Susan | Jan 30 | Mar 27 | Apr 10 | — | Jun 19 – Oct 30 | 60–80 |
| Bleeding Hearts | Jan 30 | — | Apr 10 | — | May 29 – Jul 3 | 60–90 |
| Calendula | Feb 20 | Feb 27 | Apr 3 | Sep 1 | May 22 – Sep 18 | 50–70 |
| California Poppy | — | Mar 6 | — | Sep 1 | May 15 – Aug 7 | 60–90 |
| Celosia | Mar 6 | Apr 3 | Apr 3 | — | Jun 5 – Oct 16 | 60–90 |
| Columbine | Feb 6 | Apr 10 | Apr 10 | — | May 29 – Jul 3 | 70–100 |
| Coreopsis | Jan 30 | Apr 3 | Apr 10 | — | Jun 12 – Oct 30 | 60–80 |
| Cosmos | Mar 6 | Mar 27 | Mar 27 | — | Jun 5 – Oct 9 | 60–90 |
| Crocus | — | — | — | Sep 22 | Aug 18 – Sep 8 | 10–20 |
| Daffodils | — | — | — | Sep 22 | Aug 25 – Sep 15 | 20–40 |
| Dahlias | Mar 13 | Apr 10 | Apr 10 | — | Jun 19 – Nov 6 | 70–120 |
| Daylily | Jan 30 | — | Apr 10 | — | Jun 19 – Oct 30 | 60–90 |
| Dianthus | Feb 6 | Feb 27 | Mar 6 | — | Apr 24 – Jul 17 | 60–80 |
| Echinacea (Purple Coneflower) | Jan 30 | Apr 10 | Apr 10 | — | Jun 26 – Oct 30 | 70–90 |
| Foxglove | Feb 6 | Apr 10 | Apr 10 | — | May 29 – Jul 3 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 13 | Apr 3 | Apr 3 | — | Jun 12 – Nov 13 | 70–100 |
| Geraniums | Jan 23 | — | Apr 3 | — | Jun 12 – Oct 16 | 70–100 |
| Gladiolus | — | Apr 3 | Apr 3 | — | Jun 12 – Oct 30 | 70–100 |
| Hostas | Jan 23 | — | Apr 10 | — | Jun 19 – Oct 23 | 60–90 |
| Hyacinths | — | — | — | Sep 22 | Sep 15 – Oct 6 | 14–28 |
| Hydrangeas | Jan 23 | — | Apr 3 | — | Jun 12 – Oct 9 | 90–150 |
| Impatiens | Feb 6 | — | Apr 3 | — | Jun 12 – Oct 16 | 60–75 |
| Irises | — | Division | Apr 10 | — | May 29 – Jul 3 | 60–100 |
| Larkspur | — | Mar 6 | — | Aug 18 | May 15 – Aug 7 | 60–90 |
| Lavender | Jan 30 | — | Apr 10 | — | Jun 19 – Sep 11 | 90–120 |
| Lilies | — | Division | Apr 3 | — | Jun 12 – Oct 2 | 70–120 |
| Lobelia | Jan 30 | — | Mar 6 | — | May 1 – Jul 10 | 70–80 |
| Lupine | Feb 6 | Apr 10 | Apr 10 | — | May 29 – Jul 3 | 75–100 |
| Marigolds | Feb 20 | Apr 3 | Apr 3 | — | May 29 – Sep 18 | 50–70 |
| Nasturtium | Mar 6 | Apr 3 | Apr 3 | — | May 29 – Oct 16 | 55–65 |
| Pansy | Jan 23 | — | Mar 27 | Aug 18 | May 22 – Aug 14 | 70–90 |
| Peonies | — | Division | Apr 10 | — | Jun 5 – Jul 3 | 90–120 |
| Petunia | Feb 6 | — | Apr 3 | — | Jun 12 – Oct 9 | 70–90 |
| Phlox | Jan 30 | Apr 10 | Apr 10 | — | Jun 19 – Sep 11 | 80–110 |
| Portulaca | Mar 6 | Apr 3 | Apr 3 | — | May 22 – Oct 2 | 50–70 |
| Ranunculus | — | — | — | Sep 1 | Sep 22 – Oct 20 | 90–120 |
| Roses | Jan 23 | — | Apr 3 | — | Jun 12 – Oct 23 | 90–180 |
| Salvia | Feb 6 | — | Apr 3 | — | Jun 12 – Oct 16 | 70–90 |
| Sedum (Stonecrop) | Jan 30 | — | Apr 10 | — | Jul 31 – Oct 23 | 60–90 |
| Snapdragon | Jan 23 | Mar 6 | Mar 27 | Sep 1 | Jun 5 – Sep 11 | 70–100 |
| Sunflower | Mar 13 | Apr 3 | Apr 3 | — | Jun 26 – Oct 16 | 70–100 |
| Sweet Alyssum | Feb 20 | Mar 6 | Apr 3 | Sep 15 | May 15 – Aug 21 | 45–60 |
| Sweet Pea | — | — | — | Sep 1 | Nov 10 – Feb 2 | 65–85 |
| Tulips | — | — | — | Sep 22 | Sep 8 – Sep 29 | 15–30 |
| Vinca (Annual) | Jan 23 | — | Apr 3 | — | Jun 12 – Oct 16 | 70–90 |
| Yarrow | Jan 30 | Mar 27 | Apr 10 | — | Jun 12 – Oct 30 | 60–90 |
| Zinnia | Mar 6 | Apr 3 | Apr 3 | — | Jun 12 – Oct 16 | 60–70 |
Monthly Planting Guide for London
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in London.
Frequently Asked Questions
What planting zone is London, ON?
London is in USDA Hardiness Zone 7b. 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 London, ON?
Based on 30 years of NOAA weather station data, the median last spring frost in London falls around April 3. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in London, ON?
The median first fall frost in London arrives around October 27. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Your London Garden Planner — Free
A 22-page printable planner built for London (Zone 7b). 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
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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