Traill County, ND — Planting Guide
Your June gardening checklist
Your garden in Traill County, North Dakota is working on a schedule, even when you're not. Here's where you should be this June.
-
Plant out alpine strawberries, aronia, and blueberries
Water the tray well an hour before you transplant. Roots slide out cleanly and settle in faster.
-
Fire up the seed-starting tray: cucumber, kale, and lettuce
Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.
-
Pick lettuce, radish, and arugula
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
July will be here before you know it — start on
- Starting indoors: basil, peppers, and pole beans
- First harvests: basil, carrots, and cucumber
- Fall sowing: carrots, kale, and lettuce
Traill County is in USDA Zone 4a. The average last spring frost is May 10 and the first fall frost is October 1, giving you a growing season of approximately 144 days.
At an elevation of 569 ft, Traill County receives approximately 24.1 in of rainfall annually. Summer highs average 81°F with winter lows around -8°F. The predominant soil type is Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 29 days year to year — ranging from April 24 in warm years to May 23 in cold years. The growing season is trending shorter by about 1.46 days per decade. Traill County scores 59/100 (Moderate) on the Microclimate Index.
🌡️ Zone
4a (-30°F to -25°F min)
❄️ Last Frost
May 10
🍂 First Frost
October 1
📅 Growing Season
144 days
⛰️ Elevation
569 ft
🌧️ Annual Rainfall
24.1 in
Monthly Watering Calendar for Traill County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
The practical takeaway: Mulch reduces watering needs 30-50% by cutting evaporation. Traill County's 24" annual rainfall might be enough for vegetables in some months and not in others — a 2-3" mulch layer evens the swing.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 0.7 in | 4 days | — | None |
| Feb | 0.8 in | 4 days | — | None |
| Mar | 1.5 in | 5 days | — | None |
| Apr | 2.7 in | 8 days | — | None |
| May | 3.6 in | 11 days | 0.7 in | Moderate |
| Jun | 3.8 in | 8 days | 0.5 in | Low |
| Jul | 2.9 in | 8 days | 1.4 in | Moderate |
| Aug | 2.7 in | 6 days | 1.6 in | High |
| Sep | 2.2 in | 6 days | 2.1 in | High |
| Oct | 1.6 in | 4 days | — | None |
| Nov | 0.8 in | 3 days | — | None |
| Dec | 0.7 in | 4 days | — | None |
Annual total: 24 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.
Traill County Soil Profile
Soil Type
Loam
Soil pH
6.8-7.6
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.
How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.
| Planting Strategy | Last Spring Frost | First Fall Frost | Frost-Free Days |
|---|---|---|---|
| Conservative (safest) | May 23 | Oct 14 | 144 days |
| Cautious | May 15 | Oct 7 | 145 days |
| Average year | May 10 | Oct 1 | 144 days |
| Optimistic | May 2 | Sep 24 | 145 days |
| Aggressive (risky) | Apr 24 | Sep 14 | 143 days |
Not very — frost dates can vary by ±29 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Yes — growing seasons are getting shorter here (about 1.5 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.
Gardening Difficulty Score
Traill County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Traill County
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 Traill County's climate and soil.
County Extension Office
Traill County North Dakota State University Extension Extension Office
Phone: 701-231-8944
Visit Extension Office Website →
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 Traill County
Finding local nurseries & garden centers in Traill County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Traill County'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 Traill County ND" or "garden center Traill County" 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 Traill County ND" or check your extension office and local parks department. Facebook groups like "Traill County Gardeners" or "North Dakota 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 in Traill County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
What this means for you: Onion varieties are sold by "short-day," "intermediate-day," and "long-day." Traill County's latitude determines which to buy — and getting it wrong is the difference between baseball-sized bulbs and marbles.
Longest Day
15.7 hours
Summer solstice daylight
Shortest Day
8.3 hours
Winter solstice daylight
Peak Sun Hours
11.1 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 | 8.7 hr | 5 hr | Short day |
| February | 10 hr | 5.9 hr | Short day |
| March | 11.6 hr | 6.8 hr | Short day |
| April | 13.4 hr | 8.1 hr | Neutral |
| May | 14.9 hr | 9 hr | Long day |
| June | 15.7 hr | 10.5 hr | Long day |
| July | 15.4 hr | 11.1 hr | Long day |
| August | 14.1 hr | 10 hr | Long day |
| September | 12.3 hr | 8.2 hr | Neutral |
| October | 10.6 hr | 7.2 hr | Short day |
| November | 9 hr | 5.1 hr | Short day |
| December | 8.3 hr | 4.5 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Traill County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
For new gardeners: Soil temperature is a leading indicator. A black plastic mulch can warm soil 5-10°F faster than bare ground — meaningful in Traill County's spring if you're trying to plant tomatoes earlier.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Jun through Aug.
Best Month to Compost
Jul
Microbial activity peaks when soil is warm.
Active Composting
4 months
Short season — insulate pile or use indoor vermicomposting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 9°F | 18°F | ❄️ Dormant | ~36 weeks |
| Feb | 7°F | 15°F | ❄️ Dormant | ~36 weeks |
| Mar | 19°F | 22°F | ❄️ Dormant | ~36 weeks |
| Apr | 36°F | 34°F | ❄️ Dormant | ~36 weeks |
| May | 50°F | 47°F | 🐢 Slow | ~24 weeks |
| Jun | 61°F | 55°F | ♻️ Active | ~14 weeks |
| Jul | 67°F | 63°F | 🔥 Peak | ~8 weeks |
| Aug | 68°F | 64°F | 🔥 Peak | ~8 weeks |
| Sep | 59°F | 60°F | ♻️ Active | ~14 weeks |
| Oct | 46°F | 49°F | 🐢 Slow | ~24 weeks |
| Nov | 31°F | 36°F | ❄️ Dormant | ~36 weeks |
| Dec | 16°F | 26°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 Traill County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Quick context: In Traill County's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 3 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | Low | Jun, Jul, Aug |
| Cabbage worms | Low | Jun, Jul, Aug |
| Slugs | Low | May, Jun, Jul, Aug |
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 Traill County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Quick context: Cover crops do four things at once: fix nitrogen (legumes), suppress weeds (any), prevent erosion, and add organic matter when chopped down. Traill County's seasonal pattern determines which species fit which gap.
Spring Cover Crops (2 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | May 23 | Jul 23 | — | Rapid growth, attracts pollinators, suppresses weeds |
| White clover | Apr 11 | Jul 30 | ✓ 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 | Jun 1 | Sep 10 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (3 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Oats | Aug 26 | Apr 19 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jun 25 | Apr 26 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jul 7 | Apr 26 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Traill County
Why this matters: Wind dries soil, knocks over young transplants, and disrupts pollination for bees and butterflies. Traill County averages 12.4 mph — above 10 mph means windbreaks (shrubs, fences, taller crops to windward), staked tomatoes from day one, and an extra round of watering during dry windy spells. Lower wind = lower water bills and fewer broken stems.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 17 mph Summer: 12 mph
Fall: 12 mph Winter: 14 mph
Prevailing wind: S. Windy area — plant a windbreak hedge on the S side of your garden.
Windbreak Benefit
8.8/10
Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.
Frost Pocket Risk
Low
Relatively flat terrain (213 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Traill County
How much water you can collect, when to collect it, and what size system you need for your garden.
Why this matters: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Traill County's 24" annual rainfall determines whether the larger system is overkill or essential.
Annual Collection
11,961 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
7 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
Apr, May, Jun, Jul
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jan, Feb, Nov, 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 24.0 inches of rain per year
- A 1,000 sq ft roof can collect roughly 11,961 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (Jan, Feb, Nov)
- Use a first-flush diverter to keep roof debris out of your collection
Soil & Growing Conditions in Traill County
Soil Type
Loam
Soil pH 6.8–7.6 · Well Drained drainage
Native soil is well-suited to most vegetables and herbs with regular compost additions.
Watering Needs
Drought stress: 5.5/10
Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.
Season Tips
144-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
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 Traill County
95 vegetables that grow well in Zone 4a with planting dates for Traill County.
Show all 95 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 29 | May 24 | May 31 | — | Aug 23 – Sep 27 | 80–100 |
| Amaranth | Mar 8 | May 24 | May 31 | — | Aug 30 – Oct 18 | 90–120 |
| Arugula | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Aug 16 | 30–50 |
| Asparagus | — | — | May 24 | — | — | 730–1095 |
| Beets | — | May 3 | — | Jul 9 | Jun 28 – Jul 26 | 50–70 |
| Belgian Endive | Mar 29 | May 3 | May 10 | Jul 9 | Aug 30 – Oct 4 | 110–150 |
| Black Beans | — | May 24 | — | — | Aug 23 – Oct 11 | 90–120 |
| Bok Choy | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 26 | 40–60 |
| Broccoli | Mar 29 | May 3 | May 10 | Jul 9 | Jul 12 – Aug 23 | 60–90 |
| Broccoli Rabe | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 26 | 40–60 |
| Brussels Sprouts | Mar 29 | May 3 | May 10 | Jul 9 | Aug 9 – Oct 4 | 90–130 |
| Butternut Squash | Mar 29 | May 24 | May 31 | — | Aug 30 – Oct 4 | 85–110 |
| Cabbage | Mar 29 | May 3 | May 10 | Jul 9 | Jul 12 – Sep 6 | 60–100 |
| Carrots | — | May 3 | — | Jul 9 | Jul 5 – Aug 9 | 60–80 |
| Cauliflower | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Sep 6 | 55–100 |
| Celeriac | Mar 29 | May 3 | May 10 | Jul 9 | Aug 23 – Sep 27 | 100–120 |
| Celery | Mar 29 | May 3 | May 10 | Jul 9 | Aug 2 – Sep 27 | 80–120 |
| Celtuce | Mar 29 | May 3 | May 10 | Jul 9 | Jul 12 – Aug 23 | 60–90 |
| Chard | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 23 | 50–60 |
| Chickpeas | Mar 29 | May 3 | May 10 | Jul 9 | Aug 2 – Sep 13 | 80–110 |
| Chicory | Mar 29 | May 3 | May 10 | Jul 9 | Jul 12 – Aug 23 | 60–85 |
| Chinese Cabbage | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 2 | 50–70 |
| Christmas Lima Beans | Mar 8 | May 24 | May 31 | — | Aug 23 – Sep 27 | 80–100 |
| Collard Greens | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Sep 6 | 55–75 |
| Corn | — | May 24 | — | — | Jul 26 – Sep 20 | 60–100 |
| Cress | Mar 29 | May 3 | May 10 | Jul 9 | May 24 – Jun 14 | 14–21 |
| Crookneck Squash | Mar 29 | May 24 | May 31 | — | Jul 19 – Aug 16 | 45–60 |
| Crosne | — | May 3 | — | Jul 9 | Oct 4 – Sep 27 | 150–200 |
| Cucumber | Mar 29 | May 24 | May 31 | — | Jul 26 – Sep 20 | 50–70 |
| Daikon | — | May 3 | — | Jul 9 | Jun 28 – Jul 26 | 50–70 |
| Delicata Squash | Mar 29 | May 24 | May 31 | — | Aug 23 – Sep 27 | 80–100 |
| Edamame | — | May 24 | — | — | Aug 9 – Sep 20 | 75–100 |
| Endive | Mar 29 | May 3 | May 10 | Jul 9 | Jun 28 – Aug 2 | 45–65 |
| Escarole | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 2 | 50–70 |
| Fava Beans | Mar 29 | May 3 | May 10 | Jul 9 | Jul 26 – Sep 6 | 75–100 |
| Fennel | Mar 8 | May 24 | May 31 | — | Aug 2 – Sep 13 | 60–90 |
| Garlic | — | — | — | Aug 20 | Nov 19 – Jan 14 | 90–240 |
| Green Beans | — | May 24 | — | — | Jul 19 – Sep 13 | 50–65 |
| Horseradish | — | — | May 24 | — | Sep 27 – Oct 18 | 120–180 |
| Hubbard Squash | Mar 29 | May 24 | May 31 | — | Sep 13 – Oct 18 | 100–120 |
| Kabocha | Mar 29 | May 24 | May 31 | — | Aug 30 – Sep 27 | 85–100 |
| Kai Lan | Mar 29 | May 3 | May 10 | Jul 9 | Jun 28 – Jul 26 | 45–60 |
| Kale | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 30 | 50–70 |
| Kidney Beans | — | May 24 | — | — | Aug 23 – Sep 27 | 85–110 |
| Kohlrabi | Mar 29 | May 3 | May 10 | Jul 9 | Jun 28 – Aug 2 | 45–65 |
| Komatsuna | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Jul 19 | 35–50 |
| Leeks | Mar 29 | May 3 | May 10 | Jul 9 | Aug 9 – Oct 4 | 90–150 |
| Lentils | Mar 29 | May 3 | May 10 | Jul 9 | Aug 2 – Sep 13 | 80–110 |
| Lettuce | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Aug 23 | 30–60 |
| Lima Beans | — | May 24 | — | — | Jul 26 – Sep 6 | 60–90 |
| Mache | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 26 | 40–60 |
| Melon | Mar 29 | May 24 | May 31 | — | Aug 9 – Sep 27 | 70–100 |
| Microgreens | Mar 29 | May 3 | May 10 | Jul 9 | May 17 – Jun 14 | 7–21 |
| Mitsuba | Mar 29 | May 3 | May 3 | Jul 9 | Jun 28 – Aug 23 | 50–70 |
| Mizuna | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Jul 12 | 30–45 |
| Mustard Greens | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Aug 16 | 30–50 |
| Napa Cabbage | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 9 | 55–75 |
| Onion | Mar 29 | May 3 | May 10 | Jul 9 | Aug 9 – Sep 27 | 90–120 |
| Pac Choi | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 19 | 40–55 |
| Parsnip | — | May 3 | — | Jul 9 | Aug 16 – Sep 27 | 100–130 |
| Patty Pan Squash | Mar 29 | May 24 | May 31 | — | Jul 19 – Aug 16 | 45–60 |
| Peas | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 30 | 55–70 |
| Peppers | Feb 22 | May 24 | May 31 | — | Aug 2 – Oct 11 | 60–90 |
| Pole Beans | Mar 8 | May 24 | May 31 | — | Jul 26 – Sep 20 | 55–70 |
| Potatoes | Mar 8 | May 24 | May 31 | — | Aug 9 – Oct 18 | 70–120 |
| Pumpkin | Mar 29 | May 24 | May 31 | — | Aug 30 – Oct 18 | 85–120 |
| Purslane | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 26 | 40–60 |
| Radicchio | Mar 29 | May 3 | May 10 | Jul 9 | Jul 12 – Aug 16 | 60–80 |
| Radish | — | May 3 | — | Jul 9 | May 31 – Jun 21 | 22–35 |
| Rhubarb | — | — | Jun 7 | — | — | 365–730 |
| Romanesco | Mar 29 | May 3 | May 10 | Jul 9 | Jul 26 – Sep 6 | 75–100 |
| Rutabaga | — | May 3 | — | Jul 9 | Jul 26 – Aug 30 | 80–100 |
| Salsify | — | May 3 | — | Jul 9 | Aug 16 – Sep 27 | 100–130 |
| Savoy Cabbage | Mar 29 | May 3 | May 10 | Jul 9 | Jul 19 – Sep 13 | 70–110 |
| Scallions | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 2 | 50–70 |
| Scarlet Runner Beans | Mar 8 | May 24 | May 31 | — | Aug 2 – Sep 6 | 60–80 |
| Shallot | Mar 29 | May 3 | May 10 | Jul 9 | Aug 9 – Sep 27 | 90–120 |
| Shiso | Mar 15 | May 17 | May 31 | — | Jul 26 – Sep 20 | 50–70 |
| Snap Peas | Mar 8 | May 24 | May 31 | — | Jul 26 – Sep 20 | 55–70 |
| Snow Peas | Mar 29 | May 3 | May 10 | Jul 9 | Jul 5 – Aug 30 | 50–65 |
| Soybeans | — | May 24 | — | — | Aug 16 – Oct 11 | 80–120 |
| Spaghetti Squash | Mar 29 | May 24 | May 31 | — | Aug 30 – Sep 27 | 85–100 |
| Spinach | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Aug 16 | 35–50 |
| Squash (Summer) | Mar 29 | May 24 | May 31 | — | Jul 19 – Sep 20 | 45–65 |
| Squash (Winter) | Mar 29 | May 24 | May 31 | — | Aug 23 – Oct 18 | 80–120 |
| Sunchoke | — | — | May 24 | — | Sep 13 – Oct 18 | 110–150 |
| Sweet Corn | — | May 24 | — | — | Jul 26 – Sep 6 | 60–90 |
| Tatsoi | Mar 29 | May 3 | May 10 | Jul 9 | Jun 14 – Jul 19 | 35–50 |
| Tomatillo | Mar 8 | May 24 | May 31 | — | Aug 2 – Oct 11 | 60–85 |
| Tomatoes | Mar 8 | May 24 | May 31 | — | Aug 2 – Oct 11 | 60–85 |
| Turnip | — | May 3 | — | Jul 9 | Jun 14 – Jul 19 | 40–60 |
| Watercress | Mar 29 | May 3 | May 10 | Jul 9 | Jun 21 – Jul 26 | 40–60 |
| Watermelon | Mar 29 | May 24 | May 31 | — | Aug 9 – Sep 27 | 70–100 |
| Wax Beans | — | May 24 | — | — | Jul 19 – Sep 13 | 50–65 |
| Zucchini | Mar 29 | May 24 | May 31 | — | Jul 19 – Sep 13 | 45–60 |
🍓 Fruits to Grow in Traill County
22 fruits that grow well in Zone 4a with planting dates for Traill County.
Show all 22 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Jun 7 | — | Sep 6 – Nov 1 | 90–180 |
| Aronia | — | — | Jun 7 | — | — | 730–1095 |
| Blueberries | — | — | Jun 7 | — | — | 730–1095 |
| Cantaloupe | — | — | Jun 7 | — | Aug 16 – Sep 20 | 70–90 |
| Cranberries | — | — | Jun 7 | — | — | 730–1095 |
| Currants | — | — | Jun 7 | — | — | 730–1095 |
| Elderberries | — | — | Jun 7 | — | — | 730–1095 |
| Goji Berries | — | — | Jun 7 | — | — | 730–1095 |
| Gooseberries | — | — | Jun 7 | — | — | 730–1095 |
| Grapes | — | — | Jun 7 | — | — | 730–1095 |
| Ground Cherry | — | — | Jun 7 | — | Aug 16 – Oct 11 | 65–80 |
| Hardy Kiwi | — | — | Jun 7 | — | — | 1095–1825 |
| Haskaps | — | — | Jun 7 | — | — | 730–1095 |
| Honeydew | — | — | Jun 7 | — | Aug 30 – Oct 11 | 80–110 |
| Jostaberry | — | — | Jun 7 | — | — | 730–1095 |
| Lingonberries | — | — | Jun 7 | — | — | 730–1095 |
| Medlar | — | — | Jun 7 | — | — | 1095–1825 |
| Mulberries | — | — | Jun 7 | — | — | 730–1825 |
| Persimmon | — | — | Jun 7 | — | — | 1095–2555 |
| Raspberries | — | — | Jun 7 | — | — | 365–730 |
| Serviceberries | — | — | Jun 7 | — | — | 730–1095 |
| Strawberries | — | — | Jun 7 | — | Sep 6 – Nov 1 | 90–365 |
🌿 Herbs to Grow in Traill County
30 herbs that grow well in Zone 4a with planting dates for Traill County.
Show all 30 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 29 | May 3 | May 3 | Jul 9 | — | 365–730 |
| Anise | Mar 29 | May 3 | May 3 | Jul 9 | Aug 2 – Sep 27 | 90–120 |
| Basil | Mar 15 | May 17 | May 31 | — | Jul 26 – Sep 27 | 50–75 |
| Bee Balm | — | — | May 17 | — | Aug 16 – Oct 11 | 90–120 |
| Borage | Mar 29 | May 3 | May 3 | Jul 9 | Jun 28 – Aug 16 | 50–60 |
| Caraway | Mar 29 | May 3 | May 3 | Jul 9 | — | 365–450 |
| Catnip | — | — | May 17 | — | Jul 19 – Sep 20 | 60–80 |
| Chamomile | Mar 29 | May 3 | May 3 | Jul 9 | Jul 5 – Sep 13 | 60–90 |
| Chervil | Mar 29 | May 3 | May 3 | Jul 9 | Jun 14 – Aug 16 | 40–60 |
| Chives | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Cilantro | Mar 29 | May 3 | May 3 | Jul 9 | Jun 14 – Aug 16 | 40–60 |
| Comfrey | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Dill | Mar 29 | May 3 | May 3 | Jul 9 | Jun 14 – Aug 16 | 40–60 |
| Fennel (herb) | Mar 29 | May 3 | May 3 | Jul 9 | Jul 5 – Sep 13 | 60–90 |
| Garlic Chives | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Horehound | — | — | May 17 | — | Aug 2 – Sep 27 | 75–90 |
| Hyssop | — | — | May 17 | — | Jul 26 – Sep 27 | 70–90 |
| Lemon Balm | — | — | May 17 | — | Jul 19 – Sep 6 | 60–70 |
| Lovage | — | — | May 17 | — | Jul 26 – Sep 27 | 70–90 |
| Mint | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Oregano | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Parsley | Mar 29 | May 3 | May 3 | Jul 9 | Jul 5 – Sep 6 | 60–80 |
| Rue | — | — | May 17 | — | Jul 26 – Sep 27 | 70–90 |
| Sage | — | — | May 17 | — | Aug 2 – Sep 27 | 75–90 |
| Savory | — | — | May 17 | — | Jul 12 – Sep 6 | 50–70 |
| Sorrel | Mar 29 | May 3 | May 3 | Jul 9 | Jun 14 – Aug 16 | 40–60 |
| Tarragon | — | — | May 17 | — | Jul 19 – Sep 27 | 60–90 |
| Thai Basil | Mar 15 | May 17 | May 31 | — | Jul 26 – Sep 27 | 50–75 |
| Thyme | — | — | May 17 | — | Jul 26 – Sep 27 | 70–90 |
| Valerian | — | — | May 17 | — | Sep 20 – Oct 11 | 120–180 |
🌸 Flowers to Grow in Traill County
49 flowers that grow well in Zone 4a with planting dates for Traill County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 15 | May 17 | May 17 | — | Jul 12 – Sep 20 | 60–75 |
| Alliums | — | — | — | Aug 20 | Oct 1 – Oct 22 | 28–42 |
| Astilbe | Mar 1 | — | May 24 | — | Aug 16 – Oct 11 | 70–100 |
| Bachelor's Button | Mar 22 | Apr 26 | May 10 | — | Jul 12 – Sep 13 | 60–90 |
| Begonias | Feb 22 | — | May 24 | — | Aug 2 – Oct 4 | 70–90 |
| Black-eyed Susan | Mar 1 | May 10 | May 24 | — | Aug 16 – Oct 25 | 60–80 |
| Bleeding Hearts | Mar 1 | — | May 24 | — | Jul 19 – Aug 30 | 60–90 |
| Calendula | Mar 22 | Apr 26 | May 10 | — | Jun 28 – Sep 13 | 50–70 |
| Celosia | Mar 29 | May 24 | May 24 | — | Jul 26 – Oct 11 | 60–90 |
| Columbine | Mar 1 | May 24 | May 24 | — | Jul 19 – Aug 30 | 70–100 |
| Coreopsis | Mar 1 | May 17 | May 24 | — | Aug 9 – Oct 25 | 60–80 |
| Cosmos | Apr 12 | May 17 | May 17 | — | Jul 26 – Oct 11 | 60–90 |
| Crocus | — | — | — | Aug 20 | Jun 25 – Jul 16 | 10–20 |
| Daffodils | — | — | — | Aug 20 | Jul 2 – Jul 23 | 20–40 |
| Dahlias | Apr 12 | May 24 | May 24 | — | Aug 23 – Oct 25 | 70–120 |
| Daylily | Mar 1 | — | May 24 | — | Aug 23 – Oct 25 | 60–90 |
| Dianthus | Mar 8 | Apr 19 | May 3 | — | Jun 21 – Aug 23 | 60–80 |
| Echinacea (Purple Coneflower) | Mar 1 | May 24 | May 24 | — | Aug 23 – Oct 25 | 70–90 |
| Foxglove | Mar 1 | May 24 | May 24 | — | Jul 19 – Aug 30 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 15 | May 24 | May 24 | — | Aug 2 – Nov 1 | 70–100 |
| Geraniums | Feb 22 | — | May 24 | — | Aug 2 – Oct 4 | 70–100 |
| Gladiolus | — | May 17 | May 17 | — | Aug 16 – Oct 18 | 70–100 |
| Hostas | Feb 22 | — | May 24 | — | Aug 23 – Oct 25 | 60–90 |
| Hyacinths | — | — | — | Aug 20 | Jul 23 – Aug 13 | 14–28 |
| Hydrangeas | Feb 22 | — | May 24 | — | Aug 16 – Oct 11 | 90–150 |
| Impatiens | Mar 8 | — | May 24 | — | Aug 9 – Oct 4 | 60–75 |
| Irises | — | Division | May 24 | — | Jul 19 – Aug 16 | 60–100 |
| Larkspur | — | Apr 5 | — | — | Jun 14 – Jul 26 | 60–90 |
| Lilies | — | Division | May 24 | — | Aug 16 – Oct 18 | 70–120 |
| Lobelia | Mar 1 | — | May 10 | — | Jul 5 – Aug 30 | 70–80 |
| Lupine | Mar 1 | May 24 | May 24 | — | Jul 19 – Aug 30 | 75–100 |
| Marigolds | Mar 29 | May 24 | May 24 | — | Jul 19 – Oct 4 | 50–70 |
| Nasturtium | Apr 12 | May 24 | May 24 | — | Jul 19 – Oct 4 | 55–65 |
| Pansy | Feb 22 | — | May 10 | — | Jul 5 – Aug 23 | 70–90 |
| Peonies | — | Division | May 24 | — | Aug 2 – Sep 6 | 90–120 |
| Petunia | Mar 8 | — | May 24 | — | Aug 9 – Oct 11 | 70–90 |
| Phlox | Mar 1 | May 24 | May 24 | — | Aug 16 – Oct 18 | 80–110 |
| Portulaca | Mar 29 | May 24 | May 24 | — | Jul 12 – Sep 20 | 50–70 |
| Roses | Feb 22 | — | May 24 | — | Aug 16 – Oct 25 | 90–180 |
| Salvia | Mar 1 | — | May 24 | — | Aug 2 – Oct 4 | 70–90 |
| Sedum (Stonecrop) | Mar 1 | — | May 24 | — | Sep 27 – Nov 15 | 60–90 |
| Snapdragon | Feb 22 | — | May 10 | — | Jul 19 – Sep 13 | 70–100 |
| Sunflower | Apr 19 | May 24 | May 24 | — | Aug 16 – Oct 11 | 70–100 |
| Sweet Alyssum | Mar 15 | May 3 | May 10 | — | Jun 21 – Aug 23 | 45–60 |
| Sweet Pea | Mar 22 | Apr 5 | May 10 | — | Aug 2 – Sep 13 | 65–85 |
| Tulips | — | — | — | Aug 20 | Jul 16 – Aug 6 | 15–30 |
| Vinca (Annual) | Feb 22 | — | May 24 | — | Aug 2 – Oct 4 | 70–90 |
| Yarrow | Mar 1 | May 10 | May 24 | — | Aug 9 – Oct 25 | 60–90 |
| Zinnia | Apr 12 | May 24 | May 24 | — | Aug 2 – Oct 11 | 60–70 |
Monthly Planting Guide for Traill County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Traill County.
Frequently Asked Questions
What planting zone is Traill County, ND?
Traill 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 Traill County, ND?
Based on 31 years of NOAA weather station data, the median last spring frost in Traill County falls around May 10. In 8 out of 10 years, last frost lands between April 24 and May 23 — a 29-day window of variability. Use May 23 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Traill County, ND?
The median first fall frost in Traill County arrives around October 1. In cold years it can arrive as early as September 14; in mild years as late as October 14. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Traill County?
Traill County has a frost-free growing season of approximately 144 days. Focus on short-season varieties and start warm-season crops indoors 6–8 weeks before last frost. Climate records show the growing season is trending shorter by about 1.46 days per decade.
What is the soil like in Traill County for gardening?
Traill County has predominantly Loam soil with a pH range of 6.8–7.6 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Traill County?
Traill County has commercial agriculture that includes Wheat, Corn, Soybeans, Hay, Cattle. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Traill County a good location for home gardening?
Traill County scores 59/100 (Moderate) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.
Your Traill County Garden Planner — Free
A 22-page printable planner built for Traill 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
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