Kenora, ON — Planting Guide
Kenora is in USDA Zone 4a. The average last spring frost is May 15 and the first fall frost is October 2, giving you a growing season of approximately 140 days.
At an elevation of 1,069 ft, Kenora receives approximately 19.2 in of rainfall annually. Summer highs average 73°F with winter lows around 8°F. The predominant soil type is Clay Loam.
🌡️ Zone
4a (-30°F to -25°F min)
❄️ Last Frost
May 15
🍂 First Frost
October 2
📅 Growing Season
140 days
⛰️ Elevation
1,069 ft
🌧️ Annual Rainfall
19.2 in
Monthly Watering Calendar
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 0.8 in | 8 days | — | None |
| Feb | 0.9 in | 6 days | — | None |
| Mar | 1.5 in | 9 days | — | None |
| Apr | 1.8 in | 8 days | 2.5 in | High |
| May | 2.4 in | 11 days | 1.9 in | High |
| Jun | 2.1 in | 8 days | 2.2 in | High |
| Jul | 2.4 in | 9 days | 1.9 in | High |
| Aug | 1.9 in | 8 days | 2.4 in | High |
| Sep | 1.5 in | 6 days | 2.8 in | High |
| Oct | 1.4 in | 8 days | 2.9 in | High |
| Nov | 1.5 in | 9 days | — | None |
| Dec | 0.9 in | 7 days | — | None |
Annual total: 19.1 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.
Kenora Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Gardening Difficulty Score
Kenora is a very forgiving place to garden. Most plants thrive here with minimal effort.
Local Gardening Help in Kenora
Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Kenora's climate and soil.
County Extension Office
Kenora Extension Office
Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.
Master Gardener Program
Free gardening help from trained volunteers
Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.
Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.
Soil Testing
Available through your extension office
Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.
Services Available in Kenora
Finding local nurseries & garden centers in Kenora
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Kenora's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.
How to Find Them
Search for "nurseries near Kenora ON" or "garden center Kenora" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.
Community gardens & gardening groups
Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Kenora ON" or check your extension office and local parks department. Facebook groups like "Kenora Gardeners" or "Ontario Gardening" are also excellent for local advice and plant swaps.
What to Plant After Your Harvest
After your first crops finish, use the remaining frost-free days to grow a second round.
Show 6 more succession options
Sunlight & Day Length
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Longest Day
16.1 hours
Summer solstice daylight
Shortest Day
7.9 hours
Winter solstice daylight
Peak Sun Hours
10.3 hr/day peak (summer)
Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.
Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 8.3 hr | 3.3 hr | Short day |
| February | 9.8 hr | 4.4 hr | Short day |
| March | 11.6 hr | 5.7 hr | Short day |
| April | 13.5 hr | 6.9 hr | Neutral |
| May | 15.2 hr | 9.2 hr | Long day |
| June | 16.1 hr | 10.3 hr | Long day |
| July | 15.7 hr | 10.1 hr | Long day |
| August | 14.2 hr | 8.5 hr | Long day |
| September | 12.3 hr | 7.4 hr | Neutral |
| October | 10.5 hr | 5.6 hr | Short day |
| November | 8.8 hr | 3.4 hr | Short day |
| December | 7.9 hr | 2.9 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting Calendar
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Jun through Sep.
Best Month to Compost
Jul
Microbial activity peaks when soil is warm.
Active Composting
6 months
Solid season. Piles go dormant in winter.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 13°F | 23°F | ❄️ Dormant | ~36 weeks |
| Feb | 17°F | 21°F | ❄️ Dormant | ~36 weeks |
| Mar | 27°F | 29°F | ❄️ Dormant | ~36 weeks |
| Apr | 40°F | 37°F | ❄️ Dormant | ~36 weeks |
| May | 55°F | 50°F | ♻️ Active | ~14 weeks |
| Jun | 62°F | 57°F | ♻️ Active | ~14 weeks |
| Jul | 73°F | 66°F | 🔥 Peak | ~8 weeks |
| Aug | 72°F | 67°F | 🔥 Peak | ~8 weeks |
| Sep | 63°F | 62°F | ♻️ Active | ~14 weeks |
| Oct | 51°F | 54°F | ♻️ Active | ~14 weeks |
| Nov | 38°F | 44°F | ❄️ Dormant | ~36 weeks |
| Dec | 20°F | 30°F | ❄️ Dormant | ~36 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Kenora
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 5 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | Moderate | May, Jun, Jul, Aug |
| Cabbage worms | Low | Jun, Jul, Aug |
| Colorado potato beetle | Moderate | Jun, Jul |
| Flea beetles | Moderate | May, Jun, Jul |
| Slugs | Low | May, Jun, Jul, Aug, Sep |
Organic pest management tips
- Maintain healthy soil with regular compost additions to build natural pest resistance
- Practice crop rotation annually to break pest cycles
- Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow
Cover Crops for Kenora
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.
Spring Cover Crops (2 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | May 17 | Jul 24 | — | Rapid growth, attracts pollinators, suppresses weeds |
| White clover | Apr 20 | Jul 31 | ✓ Yes | Living mulch, fixes nitrogen, permanent ground cover |
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Sunflowers | May 28 | Sep 18 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (5 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Daikon radish | Aug 19 | May 1 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Jul 20 | May 1 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Aug 25 | May 1 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jun 26 | May 1 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jun 24 | Apr 24 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 12 mph Summer: 9 mph
Fall: 11 mph Winter: 11 mph
Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
5.4/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (252 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting Potential
How much water you can collect, when to collect it, and what size system you need for your garden.
Annual Collection
9,519 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
8 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 2,000 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
May, Jun, Jul, Aug
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jan, Feb, Dec
Dry months when you'll rely on stored water — size your storage for this gap.
Rainwater collection tips for your area
- Your county receives approximately 19.1 inches of rain per year
- A 1,000 sq ft roof can collect roughly 9,519 gallons annually
- Rainwater harvesting is fully legal in your state
- In your dry climate, every drop counts — consider a larger cistern system
- Position collection tanks in shade to reduce evaporation and algae growth
Soil & Growing Conditions in Kenora
Soil Type
Clay Loam
Retains moisture well but slow to warm in spring. Amend with compost to improve drainage.
Watering Needs
With 19.2 inches annually, regular irrigation is essential. Drip systems and heavy mulching conserve water.
Season Tips
140-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.
Free Garden Planner
Plan your entire garden season — organize planting dates, track what you're growing, and know exactly when to start seeds, transplant, and harvest.
Recommended for Your Garden
Cedar raised bed kit — ideal for poor soil, clay, or small-space gardening.
Improve drainage and aeration in heavy clay soils with horticultural perlite.
Premium blend of topsoil, compost, and perlite formulated for raised beds.
🥬 Vegetables to Grow in Kenora
96 vegetables that grow well in Zone 4a with planting dates for Kenora.
Show all 96 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Acorn Squash | Apr 3 | May 29 | Jun 5 | Aug 28 – Oct 2 | 80–100 |
| Amaranth | Mar 13 | May 29 | Jun 5 | Sep 4 – Oct 23 | 90–120 |
| Arugula | Apr 3 | May 8 | May 15 | Jun 19 – Aug 21 | 30–50 |
| Asparagus | — | — | May 29 | — | 730–1095 |
| Beets | — | May 8 | — | Jul 3 – Jul 31 | 50–70 |
| Belgian Endive | Apr 3 | May 8 | May 15 | Sep 4 – Oct 9 | 110–150 |
| Black Beans | — | May 29 | — | Aug 28 – Oct 16 | 90–120 |
| Bok Choy | Apr 3 | May 8 | May 15 | Jun 26 – Jul 31 | 40–60 |
| Broccoli | Apr 3 | May 8 | May 15 | Jul 17 – Aug 28 | 60–90 |
| Broccoli Rabe | Apr 3 | May 8 | May 15 | Jun 26 – Jul 31 | 40–60 |
| Brussels Sprouts | Apr 3 | May 8 | May 15 | Aug 14 – Oct 9 | 90–130 |
| Butternut Squash | Apr 3 | May 29 | Jun 5 | Sep 4 – Oct 9 | 85–110 |
| Cabbage | Apr 3 | May 8 | May 15 | Jul 17 – Sep 11 | 60–100 |
| Carrots | — | May 8 | — | Jul 10 – Aug 14 | 60–80 |
| Cauliflower | Apr 3 | May 8 | May 15 | Jul 10 – Sep 11 | 55–100 |
| Celeriac | Apr 3 | May 8 | May 15 | Aug 28 – Oct 2 | 100–120 |
| Celery | Apr 3 | May 8 | May 15 | Aug 7 – Oct 2 | 80–120 |
| Celtuce | Apr 3 | May 8 | May 15 | Jul 17 – Aug 28 | 60–90 |
| Chard | Apr 3 | May 8 | May 15 | Jul 10 – Aug 28 | 50–60 |
| Chickpeas | Apr 3 | May 8 | May 15 | Aug 7 – Sep 18 | 80–110 |
| Chicory | Apr 3 | May 8 | May 15 | Jul 17 – Aug 28 | 60–85 |
| Chinese Cabbage | Apr 3 | May 8 | May 15 | Jul 10 – Aug 7 | 50–70 |
| Christmas Lima Beans | Mar 13 | May 29 | Jun 5 | Aug 28 – Oct 2 | 80–100 |
| Collard Greens | Apr 3 | May 8 | May 15 | Jul 10 – Sep 11 | 55–75 |
| Corn | — | May 29 | — | Jul 31 – Sep 25 | 60–100 |
| Cress | Apr 3 | May 8 | May 15 | May 29 – Jun 19 | 14–21 |
| Crookneck Squash | Apr 3 | May 29 | Jun 5 | Jul 24 – Aug 21 | 45–60 |
| Crosne | — | May 8 | — | Oct 9 – Oct 2 | 150–200 |
| Cucumber | Apr 3 | May 29 | Jun 5 | Jul 31 – Sep 25 | 50–70 |
| Daikon | — | May 8 | — | Jul 3 – Jul 31 | 50–70 |
| Delicata Squash | Apr 3 | May 29 | Jun 5 | Aug 28 – Oct 2 | 80–100 |
| Edamame | — | May 29 | — | Aug 14 – Sep 25 | 75–100 |
| Endive | Apr 3 | May 8 | May 15 | Jul 3 – Aug 7 | 45–65 |
| Escarole | Apr 3 | May 8 | May 15 | Jul 10 – Aug 7 | 50–70 |
| Fava Beans | Apr 3 | May 8 | May 15 | Jul 31 – Sep 11 | 75–100 |
| Fennel | Mar 13 | May 29 | Jun 5 | Aug 7 – Sep 18 | 60–90 |
| Garlic | — | — | — | — | 90–240 |
| Green Beans | — | May 29 | — | Jul 24 – Sep 18 | 50–65 |
| Horseradish | — | — | May 29 | Oct 2 – Oct 23 | 120–180 |
| Hubbard Squash | Apr 3 | May 29 | Jun 5 | Sep 18 – Oct 23 | 100–120 |
| Kabocha | Apr 3 | May 29 | Jun 5 | Sep 4 – Oct 2 | 85–100 |
| Kai Lan | Apr 3 | May 8 | May 15 | Jul 3 – Jul 31 | 45–60 |
| Kale | Apr 3 | May 8 | May 15 | Jul 10 – Sep 4 | 50–70 |
| Kidney Beans | — | May 29 | — | Aug 28 – Oct 2 | 85–110 |
| Kohlrabi | Apr 3 | May 8 | May 15 | Jul 3 – Aug 7 | 45–65 |
| Komatsuna | Apr 3 | May 8 | May 15 | Jun 19 – Jul 24 | 35–50 |
| Leeks | Apr 3 | May 8 | May 15 | Aug 14 – Oct 9 | 90–150 |
| Lentils | Apr 3 | May 8 | May 15 | Aug 7 – Sep 18 | 80–110 |
| Lettuce | Apr 3 | May 8 | May 15 | Jun 19 – Aug 28 | 30–60 |
| Lima Beans | — | May 29 | — | Jul 31 – Sep 11 | 60–90 |
| Mache | Apr 3 | May 8 | May 15 | Jun 26 – Jul 31 | 40–60 |
| Melon | Apr 3 | May 29 | Jun 5 | Aug 14 – Oct 2 | 70–100 |
| Microgreens | Apr 3 | May 8 | May 15 | May 22 – Jun 19 | 7–21 |
| Mitsuba | Apr 3 | May 8 | May 8 | Jul 3 – Aug 28 | 50–70 |
| Mizuna | Apr 3 | May 8 | May 15 | Jun 19 – Jul 17 | 30–45 |
| Mustard Greens | Apr 3 | May 8 | May 15 | Jun 19 – Aug 21 | 30–50 |
| Napa Cabbage | Apr 3 | May 8 | May 15 | Jul 10 – Aug 14 | 55–75 |
| Onion | Apr 3 | May 8 | May 15 | Aug 14 – Oct 2 | 90–120 |
| Pac Choi | Apr 3 | May 8 | May 15 | Jun 26 – Jul 24 | 40–55 |
| Parsnip | — | May 8 | — | Aug 21 – Oct 2 | 100–130 |
| Patty Pan Squash | Apr 3 | May 29 | Jun 5 | Jul 24 – Aug 21 | 45–60 |
| Peas | Apr 3 | May 8 | May 15 | Jul 10 – Sep 4 | 55–70 |
| Peppers | Feb 27 | May 29 | Jun 5 | Aug 7 – Oct 16 | 60–90 |
| Pole Beans | Mar 13 | May 29 | Jun 5 | Jul 31 – Sep 25 | 55–70 |
| Potatoes | Mar 13 | May 29 | Jun 5 | Aug 14 – Oct 23 | 70–120 |
| Pumpkin | Apr 3 | May 29 | Jun 5 | Sep 4 – Oct 23 | 85–120 |
| Purslane | Apr 3 | May 8 | May 15 | Jun 26 – Jul 31 | 40–60 |
| Radicchio | Apr 3 | May 8 | May 15 | Jul 17 – Aug 21 | 60–80 |
| Radish | — | May 8 | — | Jun 5 – Jun 26 | 22–35 |
| Rhubarb | — | — | Jun 12 | — | 365–730 |
| Romanesco | Apr 3 | May 8 | May 15 | Jul 31 – Sep 11 | 75–100 |
| Rutabaga | — | May 8 | — | Jul 31 – Sep 4 | 80–100 |
| Salsify | — | May 8 | — | Aug 21 – Oct 2 | 100–130 |
| Savoy Cabbage | Apr 3 | May 8 | May 15 | Jul 24 – Sep 18 | 70–110 |
| Scallions | Apr 3 | May 8 | May 15 | Jul 10 – Aug 7 | 50–70 |
| Scarlet Runner Beans | Mar 13 | May 29 | Jun 5 | Aug 7 – Sep 11 | 60–80 |
| Shallot | Apr 3 | May 8 | May 15 | Aug 14 – Oct 2 | 90–120 |
| Shiso | Mar 20 | May 22 | Jun 5 | Jul 31 – Sep 25 | 50–70 |
| Snap Peas | Mar 13 | May 29 | Jun 5 | Jul 31 – Sep 25 | 55–70 |
| Snow Peas | Apr 3 | May 8 | May 15 | Jul 10 – Sep 4 | 50–65 |
| Soybeans | — | May 29 | — | Aug 21 – Oct 16 | 80–120 |
| Spaghetti Squash | Apr 3 | May 29 | Jun 5 | Sep 4 – Oct 2 | 85–100 |
| Spinach | Apr 3 | May 8 | May 15 | Jun 19 – Aug 21 | 35–50 |
| Squash (Summer) | Apr 3 | May 29 | Jun 5 | Jul 24 – Sep 25 | 45–65 |
| Squash (Winter) | Apr 3 | May 29 | Jun 5 | Aug 28 – Oct 23 | 80–120 |
| Sunchoke | — | — | May 29 | Sep 18 – Oct 23 | 110–150 |
| Sunflower | Mar 13 | May 29 | Jun 5 | Aug 14 – Oct 2 | 70–100 |
| Sweet Corn | — | May 29 | — | Jul 31 – Sep 11 | 60–90 |
| Tatsoi | Apr 3 | May 8 | May 15 | Jun 19 – Jul 24 | 35–50 |
| Tomatillo | Mar 13 | May 29 | Jun 5 | Aug 7 – Oct 16 | 60–85 |
| Tomatoes | Mar 13 | May 29 | Jun 5 | Aug 7 – Oct 16 | 60–85 |
| Turnip | — | May 8 | — | Jun 19 – Jul 24 | 40–60 |
| Watercress | Apr 3 | May 8 | May 15 | Jun 26 – Jul 31 | 40–60 |
| Watermelon | Apr 3 | May 29 | Jun 5 | Aug 14 – Oct 2 | 70–100 |
| Wax Beans | — | May 29 | — | Jul 24 – Sep 18 | 50–65 |
| Zucchini | Apr 3 | May 29 | Jun 5 | Jul 24 – Sep 18 | 45–60 |
🍓 Fruits to Grow in Kenora
22 fruits that grow well in Zone 4a with planting dates for Kenora.
Show all 22 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Jun 12 | Sep 11 – Nov 6 | 90–180 |
| Aronia | — | — | Jun 12 | — | 730–1095 |
| Blueberries | — | — | Jun 12 | — | 730–1095 |
| Cantaloupe | — | — | Jun 12 | Aug 21 – Sep 25 | 70–90 |
| Cranberries | — | — | Jun 12 | — | 730–1095 |
| Currants | — | — | Jun 12 | — | 730–1095 |
| Elderberries | — | — | Jun 12 | — | 730–1095 |
| Goji Berries | — | — | Jun 12 | — | 730–1095 |
| Gooseberries | — | — | Jun 12 | — | 730–1095 |
| Grapes | — | — | Jun 12 | — | 730–1095 |
| Ground Cherry | — | — | Jun 12 | Aug 21 – Oct 16 | 65–80 |
| Hardy Kiwi | — | — | Jun 12 | — | 1095–1825 |
| Haskaps | — | — | Jun 12 | — | 730–1095 |
| Honeydew | — | — | Jun 12 | Sep 4 – Oct 16 | 80–110 |
| Jostaberry | — | — | Jun 12 | — | 730–1095 |
| Lingonberries | — | — | Jun 12 | — | 730–1095 |
| Medlar | — | — | Jun 12 | — | 1095–1825 |
| Mulberries | — | — | Jun 12 | — | 730–1825 |
| Persimmon | — | — | Jun 12 | — | 1095–2555 |
| Raspberries | — | — | Jun 12 | — | 365–730 |
| Serviceberries | — | — | Jun 12 | — | 730–1095 |
| Strawberries | — | — | Jun 12 | Sep 11 – Nov 6 | 90–365 |
🌿 Herbs to Grow in Kenora
32 herbs that grow well in Zone 4a with planting dates for Kenora.
Show all 32 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Angelica | Apr 3 | May 8 | May 8 | — | 365–730 |
| Anise | Apr 3 | May 8 | May 8 | Aug 7 – Oct 2 | 90–120 |
| Basil | Mar 20 | May 22 | Jun 5 | Jul 31 – Oct 2 | 50–75 |
| Bee Balm | — | — | May 22 | Aug 21 – Oct 16 | 90–120 |
| Borage | Apr 3 | May 8 | May 8 | Jul 3 – Aug 21 | 50–60 |
| Caraway | Apr 3 | May 8 | May 8 | — | 365–450 |
| Catnip | — | — | May 22 | Jul 24 – Sep 25 | 60–80 |
| Chamomile | Apr 3 | May 8 | May 8 | Jul 10 – Sep 18 | 60–90 |
| Chervil | Apr 3 | May 8 | May 8 | Jun 19 – Aug 21 | 40–60 |
| Chives | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Cilantro | Apr 3 | May 8 | May 8 | Jun 19 – Aug 21 | 40–60 |
| Comfrey | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Dill | Apr 3 | May 8 | May 8 | Jun 19 – Aug 21 | 40–60 |
| Echinacea | — | — | May 22 | Sep 25 – Oct 16 | 120–180 |
| Fennel (herb) | Apr 3 | May 8 | May 8 | Jul 10 – Sep 18 | 60–90 |
| Garlic Chives | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Horehound | — | — | May 22 | Aug 7 – Oct 2 | 75–90 |
| Hyssop | — | — | May 22 | Jul 31 – Oct 2 | 70–90 |
| Lemon Balm | — | — | May 22 | Jul 24 – Sep 11 | 60–70 |
| Lovage | — | — | May 22 | Jul 31 – Oct 2 | 70–90 |
| Mint | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Oregano | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Parsley | Apr 3 | May 8 | May 8 | Jul 10 – Sep 11 | 60–80 |
| Rue | — | — | May 22 | Jul 31 – Oct 2 | 70–90 |
| Sage | — | — | May 22 | Aug 7 – Oct 2 | 75–90 |
| Savory | — | — | May 22 | Jul 17 – Sep 11 | 50–70 |
| Sorrel | Apr 3 | May 8 | May 8 | Jun 19 – Aug 21 | 40–60 |
| Tarragon | — | — | May 22 | Jul 24 – Oct 2 | 60–90 |
| Thai Basil | Mar 20 | May 22 | Jun 5 | Jul 31 – Oct 2 | 50–75 |
| Thyme | — | — | May 22 | Jul 31 – Oct 2 | 70–90 |
| Valerian | — | — | May 22 | Sep 25 – Oct 16 | 120–180 |
| Yarrow | — | — | May 22 | Aug 21 – Oct 16 | 90–120 |
Monthly Planting Guide for Kenora
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Kenora.
Frequently Asked Questions
What planting zone is Kenora, ON?
Kenora 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 Kenora, ON?
Based on 30 years of NOAA weather station data, the median last spring frost in Kenora falls around May 15. Plan transplants and direct-sow dates relative to this date.
When is the first fall frost in Kenora, ON?
The median first fall frost in Kenora arrives around October 2. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
Is Kenora a good location for home gardening?
Kenora scores 88/100 (Excellent) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. This is an above-average location for home gardening with relatively predictable growing conditions.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Kenora gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.
