Sherburne County, MN — Planting Guide
Your June gardening checklist
A quick June briefing for Sherburne County, Minnesota gardeners — what's urgent, what's next, and what can wait.
-
Start basil, cucumber, and kale under lights
These need a head start before your last frost (May 1). Sow into cells now so you're ready to transplant in a few weeks.
-
Harvest carrots, kale, and lettuce as they ripen
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
A few tasks this June that'll pay off in July
- Starting indoors: peppers, pole beans, and tomatoes
- First harvests: basil, carrots, and cucumber
- Fall sowing: carrots, kale, and lettuce
Sherburne County is in USDA Zone 4b. The average last spring frost is May 1 and the first fall frost is October 6, giving you a growing season of approximately 158 days.
At an elevation of 568 ft, Sherburne County receives approximately 38.1 in of rainfall annually. Summer highs average 82°F with winter lows around 2°F. The predominant soil type is Silt Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 28 days year to year — ranging from April 20 in warm years to May 18 in cold years. The growing season is trending longer by about 0.99 days per decade. Sherburne County scores 71/100 (Good) on the Microclimate Index.
🌡️ Zone
4b (-25°F to -20°F min)
❄️ Last Frost
May 1
🍂 First Frost
October 6
📅 Growing Season
158 days
⛰️ Elevation
568 ft
🌧️ Annual Rainfall
38.1 in
Monthly Watering Calendar for Sherburne County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Why it matters: Most vegetables want about 1 inch of water per week. Sherburne County gets 38" a year — months that hit that 1"/week need zero supplemental watering; months that fall short, the table tells you how much to add. Saves you from drowning roots and from drought-stressing plants into bolting.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.7 in | 8 days | — | None |
| Feb | 2 in | 5 days | — | None |
| Mar | 2.6 in | 8 days | — | None |
| Apr | 3.8 in | 8 days | 0.5 in | Low |
| May | 4.2 in | 11 days | 0.1 in | Low |
| Jun | 4.9 in | 9 days | — | Low |
| Jul | 4.1 in | 10 days | 0.2 in | Low |
| Aug | 4.1 in | 9 days | 0.2 in | Low |
| Sep | 3.4 in | 7 days | 0.9 in | Moderate |
| Oct | 2.8 in | 9 days | 1.5 in | Moderate |
| Nov | 2.7 in | 7 days | — | None |
| Dec | 1.9 in | 8 days | — | None |
Annual total: 38.2 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.
Sherburne County Soil Profile
Soil Type
Silt Loam
Soil pH
6-7.1
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 18 | Oct 19 | 154 days |
| Cautious | May 11 | Oct 9 | 151 days |
| Average year | May 1 | Oct 6 | 158 days |
| Optimistic | Apr 25 | Sep 28 | 156 days |
| Aggressive (risky) | Apr 20 | Sep 20 | 153 days |
Not very — frost dates can vary by ±28 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Slightly — seasons are trending a bit longer (1 days/decade). Historical frost dates are still reliable for planning.
Gardening Difficulty Score
Sherburne County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Sherburne 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 Sherburne County's climate and soil.
County Extension Office
Sherburne County University of Minnesota Extension Extension Office
Phone: 612-625-8173
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 Sherburne County
Finding local nurseries & garden centers in Sherburne County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Sherburne 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 Sherburne County MN" or "garden center Sherburne 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 Sherburne County MN" or check your extension office and local parks department. Facebook groups like "Sherburne County Gardeners" or "Minnesota 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 Sherburne County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Why it matters: Day length is the trigger that tells lettuce, spinach, and cilantro to bolt. In Sherburne County, knowing when that day-length threshold arrives helps you plant a final round in time to harvest before it bolts.
Longest Day
15.5 hours
Summer solstice daylight
Shortest Day
8.5 hours
Winter solstice daylight
Peak Sun Hours
9.8 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 | 8.9 hr | 3.6 hr | Short day |
| February | 10.2 hr | 4.5 hr | Short day |
| March | 11.6 hr | 5.8 hr | Short day |
| April | 13.3 hr | 6.6 hr | Neutral |
| May | 14.7 hr | 8.4 hr | Long day |
| June | 15.5 hr | 9.4 hr | Long day |
| July | 15.1 hr | 9.8 hr | Long day |
| August | 13.9 hr | 8.2 hr | Neutral |
| September | 12.3 hr | 7 hr | Neutral |
| October | 10.7 hr | 5.7 hr | Short day |
| November | 9.2 hr | 3.7 hr | Short day |
| December | 8.5 hr | 3.2 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Sherburne County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why this matters: Soil temperature predicts plant emergence better than calendar dates. Sherburne County's spring soil warm-up curve tells you which weeks are safe for direct-sow beans, cucumbers, squash, and corn.
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 | 15°F | 24°F | ❄️ Dormant | ~36 weeks |
| Feb | 18°F | 21°F | ❄️ Dormant | ~36 weeks |
| Mar | 25°F | 28°F | ❄️ Dormant | ~36 weeks |
| Apr | 41°F | 38°F | 🐢 Slow | ~24 weeks |
| May | 53°F | 51°F | ♻️ Active | ~14 weeks |
| Jun | 65°F | 59°F | ♻️ Active | ~14 weeks |
| Jul | 72°F | 67°F | 🔥 Peak | ~8 weeks |
| Aug | 73°F | 69°F | 🔥 Peak | ~8 weeks |
| Sep | 65°F | 64°F | 🔥 Peak | ~8 weeks |
| Oct | 51°F | 56°F | ♻️ Active | ~14 weeks |
| Nov | 37°F | 43°F | ❄️ Dormant | ~36 weeks |
| Dec | 20°F | 32°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 Sherburne County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Quick context: In Sherburne 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
Moderate — watch for mildew and blight during wet periods.
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 | Low | Jun, Jul |
| Flea beetles | Low | May, Jun, Jul |
| Slugs | Low | May, Jun, Jul, Aug, Sep |
Organic pest management tips
- Use row covers on susceptible crops during peak pest months
- Apply neem oil preventatively every 7-14 days during active pest season
- Interplant with strong-scented herbs (basil, marigold) to confuse pests
- Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
- Practice crop rotation — never plant the same family in the same spot within 3 years
Cover Crops for Sherburne County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Why it matters: Cover crops protect microbial life through winter and summer. Bare soil bakes; covered soil stays cooler, moister, and biologically active. The difference shows up in next year's crops.
Spring Cover Crops (2 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | May 8 | Jul 28 | — | Rapid growth, attracts pollinators, suppresses weeds |
| White clover | Apr 3 | Jul 28 | ✓ 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 17 | Sep 15 | — | 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 28 | Apr 17 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Jul 24 | Apr 17 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Aug 24 | Apr 17 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jul 1 | Apr 17 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jun 28 | Apr 10 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Sherburne County
Quick context: Why care about wind? Above about 10 mph, evaporation jumps and pollinators struggle to land on flowers. Sherburne County's 9.2 mph average means you can plant tall crops without much support, but it doesn't mean ignore wind — a 20+ mph storm still snaps unstaked tomatoes.
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
4.8/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (130 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Sherburne County
How much water you can collect, when to collect it, and what size system you need for your garden.
For new gardeners: The first inch of rain washes the roof clean — a first-flush diverter sends it to waste before the barrel fills. Worth the extra $20 for cleaner garden water. Sherburne County gets 38" annually, so you'll fill and flush many times per year.
Annual Collection
19,038 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
6 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,500 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 38.2 inches of rain per year
- A 1,000 sq ft roof can collect roughly 19,038 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (Jan, Feb, Dec)
- Use a first-flush diverter to keep roof debris out of your collection
Soil & Growing Conditions in Sherburne County
Soil Type
Silt Loam
Soil pH 6–7.1 · Well Drained drainage
Native soil is well-suited to most vegetables and herbs with regular compost additions.
Watering Needs
Drought stress: 3.5/10
Low-to-moderate drought stress. Plan to water 1–2 times per week during peak summer. (38.1 in. annual rainfall)
Season Tips
158-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 Sherburne County
95 vegetables that grow well in Zone 4b with planting dates for Sherburne County.
Show all 95 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 20 | May 15 | May 22 | — | Aug 14 – Sep 18 | 80–100 |
| Amaranth | Feb 27 | May 15 | May 22 | — | Aug 21 – Oct 9 | 90–120 |
| Arugula | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Aug 7 | 30–50 |
| Asparagus | — | — | May 15 | — | — | 730–1095 |
| Beets | — | Apr 24 | — | Jul 14 | Jun 19 – Jul 17 | 50–70 |
| Belgian Endive | Mar 20 | Apr 24 | May 1 | Jul 14 | Aug 21 – Sep 25 | 110–150 |
| Black Beans | — | May 15 | — | — | Aug 14 – Oct 2 | 90–120 |
| Bok Choy | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 17 | 40–60 |
| Broccoli | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 3 – Aug 14 | 60–90 |
| Broccoli Rabe | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 17 | 40–60 |
| Brussels Sprouts | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 31 – Sep 25 | 90–130 |
| Butternut Squash | Mar 20 | May 15 | May 22 | — | Aug 21 – Sep 25 | 85–110 |
| Cabbage | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 3 – Aug 28 | 60–100 |
| Carrots | — | Apr 24 | — | Jul 14 | Jun 26 – Jul 31 | 60–80 |
| Cauliflower | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 28 | 55–100 |
| Celeriac | Mar 20 | Apr 24 | May 1 | Jul 14 | Aug 14 – Sep 18 | 100–120 |
| Celery | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 24 – Sep 18 | 80–120 |
| Celtuce | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 3 – Aug 14 | 60–90 |
| Chard | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 14 | 50–60 |
| Chickpeas | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 24 – Sep 4 | 80–110 |
| Chicory | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 3 – Aug 14 | 60–85 |
| Chinese Cabbage | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Jul 24 | 50–70 |
| Christmas Lima Beans | Feb 27 | May 15 | May 22 | — | Aug 14 – Sep 18 | 80–100 |
| Collard Greens | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 28 | 55–75 |
| Corn | — | May 15 | — | — | Jul 17 – Sep 11 | 60–100 |
| Cress | Mar 20 | Apr 24 | May 1 | Jul 14 | May 15 – Jun 5 | 14–21 |
| Crookneck Squash | Mar 20 | May 15 | May 22 | — | Jul 10 – Aug 7 | 45–60 |
| Crosne | — | Apr 24 | — | Jul 14 | Sep 25 – Sep 18 | 150–200 |
| Cucumber | Mar 20 | May 15 | May 22 | — | Jul 17 – Sep 11 | 50–70 |
| Daikon | — | Apr 24 | — | Jul 14 | Jun 19 – Jul 17 | 50–70 |
| Delicata Squash | Mar 20 | May 15 | May 22 | — | Aug 14 – Sep 18 | 80–100 |
| Edamame | — | May 15 | — | — | Jul 31 – Sep 11 | 75–100 |
| Endive | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 19 – Jul 24 | 45–65 |
| Escarole | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Jul 24 | 50–70 |
| Fava Beans | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 17 – Aug 28 | 75–100 |
| Fennel | Feb 27 | May 15 | May 22 | — | Jul 24 – Sep 4 | 60–90 |
| Garlic | — | — | — | Aug 25 | Nov 24 – Jan 19 | 90–240 |
| Green Beans | — | May 15 | — | — | Jul 10 – Sep 4 | 50–65 |
| Horseradish | — | — | May 15 | — | Sep 18 – Oct 9 | 120–180 |
| Hubbard Squash | Mar 20 | May 15 | May 22 | — | Sep 4 – Oct 9 | 100–120 |
| Kabocha | Mar 20 | May 15 | May 22 | — | Aug 21 – Sep 18 | 85–100 |
| Kai Lan | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 19 – Jul 17 | 45–60 |
| Kale | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 21 | 50–70 |
| Kidney Beans | — | May 15 | — | — | Aug 14 – Sep 18 | 85–110 |
| Kohlrabi | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 19 – Jul 24 | 45–65 |
| Komatsuna | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Jul 10 | 35–50 |
| Leeks | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 31 – Sep 25 | 90–150 |
| Lentils | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 24 – Sep 4 | 80–110 |
| Lettuce | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Aug 14 | 30–60 |
| Lima Beans | — | May 15 | — | — | Jul 17 – Aug 28 | 60–90 |
| Mache | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 17 | 40–60 |
| Melon | Mar 20 | May 15 | May 22 | — | Jul 31 – Sep 18 | 70–100 |
| Microgreens | Mar 20 | Apr 24 | May 1 | Jul 14 | May 8 – Jun 5 | 7–21 |
| Mitsuba | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 19 – Aug 14 | 50–70 |
| Mizuna | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Jul 3 | 30–45 |
| Mustard Greens | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Aug 7 | 30–50 |
| Napa Cabbage | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Jul 31 | 55–75 |
| Onion | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 31 – Sep 18 | 90–120 |
| Pac Choi | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 10 | 40–55 |
| Parsnip | — | Apr 24 | — | Jul 14 | Aug 7 – Sep 18 | 100–130 |
| Patty Pan Squash | Mar 20 | May 15 | May 22 | — | Jul 10 – Aug 7 | 45–60 |
| Peas | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 21 | 55–70 |
| Peppers | Feb 13 | May 15 | May 22 | — | Jul 24 – Oct 2 | 60–90 |
| Pole Beans | Feb 27 | May 15 | May 22 | — | Jul 17 – Sep 11 | 55–70 |
| Potatoes | Feb 27 | May 15 | May 22 | — | Jul 31 – Oct 9 | 70–120 |
| Pumpkin | Mar 20 | May 15 | May 22 | — | Aug 21 – Oct 9 | 85–120 |
| Purslane | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 17 | 40–60 |
| Radicchio | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 3 – Aug 7 | 60–80 |
| Radish | — | Apr 24 | — | Jul 14 | May 22 – Jun 12 | 22–35 |
| Rhubarb | — | — | May 29 | — | — | 365–730 |
| Romanesco | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 17 – Aug 28 | 75–100 |
| Rutabaga | — | Apr 24 | — | Jul 14 | Jul 17 – Aug 21 | 80–100 |
| Salsify | — | Apr 24 | — | Jul 14 | Aug 7 – Sep 18 | 100–130 |
| Savoy Cabbage | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 10 – Sep 4 | 70–110 |
| Scallions | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Jul 24 | 50–70 |
| Scarlet Runner Beans | Feb 27 | May 15 | May 22 | — | Jul 24 – Aug 28 | 60–80 |
| Shallot | Mar 20 | Apr 24 | May 1 | Jul 14 | Jul 31 – Sep 18 | 90–120 |
| Shiso | Mar 6 | May 8 | May 22 | — | Jul 17 – Sep 11 | 50–70 |
| Snap Peas | Feb 27 | May 15 | May 22 | — | Jul 17 – Sep 11 | 55–70 |
| Snow Peas | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 26 – Aug 21 | 50–65 |
| Soybeans | — | May 15 | — | — | Aug 7 – Oct 2 | 80–120 |
| Spaghetti Squash | Mar 20 | May 15 | May 22 | — | Aug 21 – Sep 18 | 85–100 |
| Spinach | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Aug 7 | 35–50 |
| Squash (Summer) | Mar 20 | May 15 | May 22 | — | Jul 10 – Sep 11 | 45–65 |
| Squash (Winter) | Mar 20 | May 15 | May 22 | — | Aug 14 – Oct 9 | 80–120 |
| Sunchoke | — | — | May 15 | — | Sep 4 – Oct 9 | 110–150 |
| Sweet Corn | — | May 15 | — | — | Jul 17 – Aug 28 | 60–90 |
| Tatsoi | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 5 – Jul 10 | 35–50 |
| Tomatillo | Feb 27 | May 15 | May 22 | — | Jul 24 – Oct 2 | 60–85 |
| Tomatoes | Feb 27 | May 15 | May 22 | — | Jul 24 – Oct 2 | 60–85 |
| Turnip | — | Apr 24 | — | Jul 14 | Jun 5 – Jul 10 | 40–60 |
| Watercress | Mar 20 | Apr 24 | May 1 | Jul 14 | Jun 12 – Jul 17 | 40–60 |
| Watermelon | Mar 20 | May 15 | May 22 | — | Jul 31 – Sep 18 | 70–100 |
| Wax Beans | — | May 15 | — | — | Jul 10 – Sep 4 | 50–65 |
| Zucchini | Mar 20 | May 15 | May 22 | — | Jul 10 – Sep 4 | 45–60 |
🍓 Fruits to Grow in Sherburne County
22 fruits that grow well in Zone 4b with planting dates for Sherburne County.
Show all 22 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 29 | — | Aug 28 – Oct 23 | 90–180 |
| Aronia | — | — | May 29 | — | — | 730–1095 |
| Blueberries | — | — | May 29 | — | — | 730–1095 |
| Cantaloupe | — | — | May 29 | — | Aug 7 – Sep 11 | 70–90 |
| Cranberries | — | — | May 29 | — | — | 730–1095 |
| Currants | — | — | May 29 | — | — | 730–1095 |
| Elderberries | — | — | May 29 | — | — | 730–1095 |
| Goji Berries | — | — | May 29 | — | — | 730–1095 |
| Gooseberries | — | — | May 29 | — | — | 730–1095 |
| Grapes | — | — | May 29 | — | — | 730–1095 |
| Ground Cherry | — | — | May 29 | — | Aug 7 – Oct 2 | 65–80 |
| Hardy Kiwi | — | — | May 29 | — | — | 1095–1825 |
| Haskaps | — | — | May 29 | — | — | 730–1095 |
| Honeydew | — | — | May 29 | — | Aug 21 – Oct 2 | 80–110 |
| Jostaberry | — | — | May 29 | — | — | 730–1095 |
| Lingonberries | — | — | May 29 | — | — | 730–1095 |
| Medlar | — | — | May 29 | — | — | 1095–1825 |
| Mulberries | — | — | May 29 | — | — | 730–1825 |
| Persimmon | — | — | May 29 | — | — | 1095–2555 |
| Raspberries | — | — | May 29 | — | — | 365–730 |
| Serviceberries | — | — | May 29 | — | — | 730–1095 |
| Strawberries | — | — | May 29 | — | Aug 28 – Oct 23 | 90–365 |
🌿 Herbs to Grow in Sherburne County
30 herbs that grow well in Zone 4b with planting dates for Sherburne County.
Show all 30 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 20 | Apr 24 | Apr 24 | Jul 14 | — | 365–730 |
| Anise | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jul 24 – Sep 18 | 90–120 |
| Basil | Mar 6 | May 8 | May 22 | — | Jul 17 – Sep 18 | 50–75 |
| Bee Balm | — | — | May 8 | — | Aug 7 – Oct 2 | 90–120 |
| Borage | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 19 – Aug 7 | 50–60 |
| Caraway | Mar 20 | Apr 24 | Apr 24 | Jul 14 | — | 365–450 |
| Catnip | — | — | May 8 | — | Jul 10 – Sep 11 | 60–80 |
| Chamomile | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 26 – Sep 4 | 60–90 |
| Chervil | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 5 – Aug 7 | 40–60 |
| Chives | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Cilantro | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 5 – Aug 7 | 40–60 |
| Comfrey | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Dill | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 5 – Aug 7 | 40–60 |
| Fennel (herb) | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 26 – Sep 4 | 60–90 |
| Garlic Chives | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Horehound | — | — | May 8 | — | Jul 24 – Sep 18 | 75–90 |
| Hyssop | — | — | May 8 | — | Jul 17 – Sep 18 | 70–90 |
| Lemon Balm | — | — | May 8 | — | Jul 10 – Aug 28 | 60–70 |
| Lovage | — | — | May 8 | — | Jul 17 – Sep 18 | 70–90 |
| Mint | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Oregano | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Parsley | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 26 – Aug 28 | 60–80 |
| Rue | — | — | May 8 | — | Jul 17 – Sep 18 | 70–90 |
| Sage | — | — | May 8 | — | Jul 24 – Sep 18 | 75–90 |
| Savory | — | — | May 8 | — | Jul 3 – Aug 28 | 50–70 |
| Sorrel | Mar 20 | Apr 24 | Apr 24 | Jul 14 | Jun 5 – Aug 7 | 40–60 |
| Tarragon | — | — | May 8 | — | Jul 10 – Sep 18 | 60–90 |
| Thai Basil | Mar 6 | May 8 | May 22 | — | Jul 17 – Sep 18 | 50–75 |
| Thyme | — | — | May 8 | — | Jul 17 – Sep 18 | 70–90 |
| Valerian | — | — | May 8 | — | Sep 11 – Oct 2 | 120–180 |
🌸 Flowers to Grow in Sherburne County
49 flowers that grow well in Zone 4b with planting dates for Sherburne County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 13 | May 8 | May 8 | — | Jul 3 – Sep 18 | 60–75 |
| Alliums | — | — | — | Aug 25 | Sep 29 – Oct 27 | 28–42 |
| Astilbe | Feb 20 | — | May 15 | — | Aug 7 – Oct 2 | 70–100 |
| Bachelor's Button | Mar 13 | Apr 17 | May 1 | — | Jul 3 – Sep 4 | 60–90 |
| Begonias | Feb 13 | — | May 8 | — | Jul 17 – Sep 25 | 70–90 |
| Black-eyed Susan | Feb 20 | May 1 | May 15 | — | Aug 7 – Oct 23 | 60–80 |
| Bleeding Hearts | Feb 20 | — | May 15 | — | Jul 10 – Aug 21 | 60–90 |
| Calendula | Mar 13 | Apr 17 | May 1 | — | Jun 19 – Sep 4 | 50–70 |
| Celosia | Mar 27 | May 15 | May 15 | — | Jul 17 – Oct 2 | 60–90 |
| Columbine | Feb 20 | May 15 | May 15 | — | Jul 10 – Aug 28 | 70–100 |
| Coreopsis | Feb 20 | May 8 | May 15 | — | Jul 31 – Oct 23 | 60–80 |
| Cosmos | Apr 3 | May 8 | May 8 | — | Jul 17 – Oct 9 | 60–90 |
| Crocus | — | — | — | Aug 25 | Jun 30 – Jul 28 | 10–20 |
| Daffodils | — | — | — | Aug 25 | Jul 7 – Aug 4 | 20–40 |
| Dahlias | Apr 3 | May 15 | May 15 | — | Aug 14 – Oct 23 | 70–120 |
| Daylily | Feb 20 | — | May 15 | — | Aug 14 – Oct 23 | 60–90 |
| Dianthus | Feb 27 | Apr 10 | Apr 24 | — | Jun 12 – Aug 21 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 20 | May 15 | May 15 | — | Aug 14 – Oct 23 | 70–90 |
| Foxglove | Feb 20 | May 15 | May 15 | — | Jul 10 – Aug 21 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 6 | May 15 | May 15 | — | Jul 24 – Oct 30 | 70–100 |
| Geraniums | Feb 13 | — | May 8 | — | Jul 17 – Sep 25 | 70–100 |
| Gladiolus | — | May 8 | May 8 | — | Aug 7 – Oct 16 | 70–100 |
| Hostas | Feb 13 | — | May 15 | — | Aug 14 – Oct 23 | 60–90 |
| Hyacinths | — | — | — | Aug 25 | Jul 28 – Aug 18 | 14–28 |
| Hydrangeas | Feb 13 | — | May 15 | — | Aug 7 – Oct 9 | 90–150 |
| Impatiens | Feb 27 | — | May 15 | — | Jul 31 – Oct 2 | 60–75 |
| Irises | — | Division | May 15 | — | Jul 10 – Aug 14 | 60–100 |
| Larkspur | — | Apr 3 | — | — | Jun 12 – Jul 31 | 60–90 |
| Lilies | — | Division | May 15 | — | Aug 7 – Oct 9 | 70–120 |
| Lobelia | Feb 20 | — | May 1 | — | Jun 26 – Aug 28 | 70–80 |
| Lupine | Feb 20 | May 15 | May 15 | — | Jul 10 – Aug 21 | 75–100 |
| Marigolds | Mar 20 | May 8 | May 8 | — | Jul 3 – Sep 18 | 50–70 |
| Nasturtium | Apr 3 | May 8 | May 8 | — | Jul 3 – Sep 25 | 55–65 |
| Pansy | Feb 13 | — | May 1 | — | Jun 26 – Aug 14 | 70–90 |
| Peonies | — | Division | May 15 | — | Jul 24 – Aug 28 | 90–120 |
| Petunia | Feb 27 | — | May 8 | — | Jul 17 – Oct 2 | 70–90 |
| Phlox | Feb 20 | May 15 | May 15 | — | Aug 7 – Oct 16 | 80–110 |
| Portulaca | Mar 27 | May 15 | May 15 | — | Jul 3 – Sep 18 | 50–70 |
| Roses | Feb 13 | — | May 15 | — | Aug 7 – Oct 23 | 90–180 |
| Salvia | Feb 27 | — | May 8 | — | Jul 17 – Sep 25 | 70–90 |
| Sedum (Stonecrop) | Feb 20 | — | May 15 | — | Sep 18 – Nov 13 | 60–90 |
| Snapdragon | Feb 20 | — | May 1 | — | Jul 10 – Sep 4 | 70–100 |
| Sunflower | Apr 10 | May 8 | May 8 | — | Jul 31 – Oct 2 | 70–100 |
| Sweet Alyssum | Mar 13 | Apr 24 | May 1 | — | Jun 12 – Aug 14 | 45–60 |
| Sweet Pea | Mar 20 | Mar 27 | May 1 | — | Jul 24 – Sep 11 | 65–85 |
| Tulips | — | — | — | Aug 25 | Jul 21 – Aug 11 | 15–30 |
| Vinca (Annual) | Feb 13 | — | May 15 | — | Jul 24 – Oct 2 | 70–90 |
| Yarrow | Feb 20 | May 1 | May 15 | — | Jul 31 – Oct 23 | 60–90 |
| Zinnia | Apr 3 | May 8 | May 8 | — | Jul 17 – Oct 2 | 60–70 |
Monthly Planting Guide for Sherburne County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Sherburne County.
Frequently Asked Questions
What planting zone is Sherburne County, MN?
Sherburne County is in USDA Hardiness Zone 4b. 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 Sherburne County, MN?
Based on 31 years of NOAA weather station data, the median last spring frost in Sherburne County falls around May 1. In 8 out of 10 years, last frost lands between April 20 and May 18 — a 28-day window of variability. Use May 18 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Sherburne County, MN?
The median first fall frost in Sherburne County arrives around October 6. In cold years it can arrive as early as September 20; in mild years as late as October 19. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Sherburne County?
Sherburne County has a frost-free growing season of approximately 158 days. This is enough time for most warm-season crops including tomatoes, peppers, and squash with proper timing. Climate records show the growing season is trending longer by about 0.99 days per decade.
What is the soil like in Sherburne County for gardening?
Sherburne County has predominantly Silt Loam soil with a pH range of 6–7.1 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Sherburne County?
Sherburne County has commercial agriculture that includes Corn, Soybeans, Hay. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Sherburne County a good location for home gardening?
Sherburne County scores 71/100 (Good) 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.
Your Sherburne County Garden Planner — Free
A 22-page printable planner built for Sherburne County (Zone 4b). 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