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Mayfield, UT — Planting Guide for June

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Mayfield, UT Zone 6a June

This month in Mayfield, UT

Here's what deserves your attention in Mayfield, UT this month. Everything below is tailored to Zone 6a and timed around your local frost dates.

Avg. last frost May 21
Avg. first frost September 28
Soil temp (4") 48°F
Watering Critical
Pest pressure High
Daylight 14.8 hrs
  1. Time to transplant basil, cucumber, and peppers

    Bring a watering can to the bed. Each transplant gets a drink the moment it's in the ground, not ten minutes later.

  2. Direct-sow columbine and echinacea (purple coneflower)

    Keep the top inch of soil moist until germination — a gentle morning watering for 5–7 days does the job.

  3. Get cucumber, kale, and lettuce seeds going inside

    Your window is short. These crops want several weeks of indoor growth before they go outside.

  4. Bring in the lettuce, radish, and anemones

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Coming up in July — start thinking about
  • Starting indoors: basil, peppers, and pole beans
  • First harvests: basil, carrots, and cucumber
  • Fall sowing: carrots, kale, and lettuce

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Mayfield has a classic four-season growing climate (Zone 6a). The last spring frost typically lands around May 21 and the first fall frost arrives around September 28 — a 130-day frost-free season that's long enough for tomatoes, peppers, melons, and a full succession of cool-weather crops on either side. The trick is timing: start warm-season seedlings indoors 6–8 weeks before last frost, harden them off, and plant out the week after your local frost date is statistically safe.

Soils trend Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.

Mayfield averages 36.3 drought weeks per year (US Drought Monitor, 2000–present, trend worsening). Treat irrigation as a year-round system, not a summer add-on.

🌡️ USDA Zone

6a (-10°F to -5°F min)

❄️ Avg. Last Frost

May 21

🍂 Avg. First Frost

September 28

📅 Growing Season

130 days

🌧️ Climate

Moderate 29.2" annual

💨 Wind

Moderate 9.1 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

36.3 wk/yr trend worsening

📍 ZIP Codes

1 ZIP

Mayfield, UT Short season
130 days
Last Spring Frost May 21
130 growing days
First Fall Frost September 28

Monthly Watering Calendar for Mayfield

When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.

Quick context: In Mayfield, the watering question isn't "how often" — it's "is the soil moist 4 inches down?" Stick a finger in. Dry? Water. Damp? Wait. The 29" annual rainfall is just the starting context.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 1" Feb 0.9" Mar 1.1" +2.8" Apr 1.5" +2.6" May 1.7" +3.3" Jun 1" +2.9" Jul 1.4" +2.8" Aug 1.5" +3" Sep 1.3" +3.2" Oct 1.1" Nov 0.9" Dec 0.7"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 1 in 6 days None
Feb 0.9 in 5 days None
Mar 1.1 in 7 days None
Apr 1.5 in 7 days 2.8 in High
May 1.7 in 7 days 2.6 in High
Jun 1 in 4 days 3.3 in Critical
Jul 1.4 in 5 days 2.9 in High
Aug 1.5 in 6 days 2.8 in High
Sep 1.3 in 6 days 3 in High
Oct 1.1 in 5 days 3.2 in Critical
Nov 0.9 in 6 days None
Dec 0.7 in 7 days None

Annual total: 14.1 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.

Mayfield Soil Profile

Soil Type

Loam

Soil pH

6.5-7.8

Drainage

Well Drained

Frost Risk Probability

Based on 31 years of NOAA weather station data from 3 stations

Too early frost risk Safe to Plant May 21 → Sep 28 130 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: Jun 10 Protect by: Oct 17

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) Jun 10 Oct 17 129 days
Cautious May 30 Oct 6 129 days
Average year May 21 Sep 28 130 days
Optimistic May 13 Sep 23 133 days
Aggressive (risky) May 1 Sep 14 136 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±40 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.

🌱
Is the growing season changing?

Yes — growing seasons are getting longer here (about 2.5 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

29 Challenging
Frost Timing Risk
10.0/10
Drought Risk
5.5/10
Soil Difficulty
1.0/10
Altitude Challenge
10.0/10
Climate Shift
10.0/10
Rainfall Challenge
6.3/10

Sanpete County has challenging growing conditions. Season extension and careful variety selection are essential.

Zone 6a Frost Countdown
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Loading...
Last Frost: May 21 First Frost: Sep 28

Local Gardening Help in Sanpete 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 Sanpete County's climate and soil.

County Extension Office

Sanpete County Utah State University Extension Extension Office

Phone: 435-797-2200

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.

Find Master Gardeners in UT →

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.

Request a Soil Test →

Services Available in Sanpete County

Soil testing Arid gardening Pest identification
Finding local nurseries & garden centers in Sanpete County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Sanpete 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 Sanpete County UT" or "garden center Sanpete 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 Sanpete County UT" or check your extension office and local parks department. Facebook groups like "Sanpete County Gardeners" or "Utah 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
After Patty Pan Squash (harvest ends Aug 20) 39 days until frost
After Bleeding Hearts (harvest ends Aug 27) 32 days until frost
After Chervil (harvest ends Aug 27) 32 days until frost
After Kohlrabi (harvest ends Aug 13) 46 days until frost
After Crookneck Squash (harvest ends Aug 20) 39 days until frost
After Lupine (harvest ends Aug 27) 32 days until frost

Sunlight & Day Length in Mayfield

Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.

Why this matters: A 14-hour day in June produces dramatically more photosynthesis than a 10-hour day in November. Mayfield's seasonal swing determines which crops can pack growth into spring vs. limp through fall.

Longest Day

14.8 hours

Summer solstice daylight

Shortest Day

9.2 hours

Winter solstice daylight

Peak Sun Hours

10.4 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.

14hr 12hr 3h 6h 10h 13h 16h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight hours (sunrise to sunset) Peak sun hours (direct sunlight after cloud cover) ▪ Gold zone = long day (14+ hr) ▪ Blue zone = short day (<12 hr)

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
MonthDaylight HoursPeak Sun HoursDay Length
January 9.5 hr 5.2 hr Short day
February 10.5 hr 5.9 hr Short day
March 11.7 hr 7.2 hr Short day
April 13 hr 7.3 hr Neutral
May 14.2 hr 8.4 hr Long day
June 14.8 hr 10.4 hr Long day
July 14.5 hr 10 hr Long day
August 13.5 hr 8.9 hr Neutral
September 12.2 hr 8.6 hr Neutral
October 10.9 hr 7 hr Short day
November 9.8 hr 5.6 hr Short day
December 9.2 hr 4.9 hr Short day

Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.

Soil Temperature & Composting in Mayfield

Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.

Why this matters: Soil heats slower than air in spring and cools slower in fall. That's why "warm" April air doesn't mean "plant tomatoes" — soil still trails by weeks. Mayfield's monthly soil curve makes the lag visible.

Plant Warm Crops When

Soil reaches 60°F+

Soil rarely reaches 60°F — use black plastic mulch to warm soil.

Best Month to Compost

Jul

Microbial activity peaks when soil is warm.

Active Composting

3 months

Short season — insulate pile or use indoor vermicomposting.

60°F 18° 35° 53° 70° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 2°F 10°F ❄️ Dormant ~36 weeks
Feb 4°F 8°F ❄️ Dormant ~36 weeks
Mar 10°F 13°F ❄️ Dormant ~36 weeks
Apr 24°F 23°F ❄️ Dormant ~36 weeks
May 38°F 34°F ❄️ Dormant ~36 weeks
Jun 48°F 42°F 🐢 Slow ~24 weeks
Jul 57°F 50°F ♻️ Active ~14 weeks
Aug 58°F 52°F ♻️ Active ~14 weeks
Sep 51°F 50°F ♻️ Active ~14 weeks
Oct 35°F 39°F ❄️ Dormant ~36 weeks
Nov 21°F 28°F ❄️ Dormant ~36 weeks
Dec 8°F 19°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 Mayfield

Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.

What this means for you: Pest pressure is a function of climate, not effort. Mayfield's baseline tells you how much vigilance is normal. A bad pest year in low-pressure region = a normal year in high-pressure region.

Insect Pest Pressure

4.9 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

1 / 10

Low disease risk — dry conditions reduce fungal problems.

Seasonal Risk

Spring Low
Summer High
Fall Low
Winter Low
View 5 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate May, Jun, Jul, Aug
Japanese beetles Moderate Jun, Jul, Aug
Squash bugs Low Jun, Jul, Aug
Tomato hornworms Low Jul, Aug
Cabbage loopers 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 Mayfield

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.

For new gardeners: A fall-planted cover crop in Mayfield is the closest thing to free soil amendment. Plant cereal rye or hairy vetch after harvest; chop it down before it flowers in spring; the soil it leaves behind out-grows any store-bought compost.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 27 Jul 20 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass May 31 Aug 3 Massive biomass, breaks compaction, suppresses nematodes
White clover Apr 20 Aug 3 ✓ 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 8 Sep 14 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (6 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Austrian winter peas Aug 1 Apr 30 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Aug 15 Apr 30 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 10 May 7 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Aug 22 May 7 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 7 May 7 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 3 May 7 Erosion control, weed suppression, good biomass

Wind & Microclimate in Mayfield

What this means for you: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Mayfield averages 9.1 mph. If you garden near coast, ridge, or open plains, you're likely above that — plan for it.

Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.

Seasonal Wind Speed

Spring: 15 mph   Summer: 10 mph

Fall: 13 mph   Winter: 14 mph

Prevailing wind: W. Windy area — plant a windbreak hedge on the W side of your garden.

Windbreak Benefit

6.6/10

Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.

Frost Pocket Risk

High

Hilly terrain with 1,254 ft of elevation range — cold air pools in low spots. Avoid planting frost-sensitive crops in valleys.

Rainwater Harvesting in Mayfield

How much water you can collect, when to collect it, and what size system you need for your garden.

For new gardeners: Captured rainwater is better for plants than tap water (no chlorine), works during water restrictions, and reduces stormwater runoff. Mayfield's 29" annual rainfall is a meaningful pool — most homes could capture 10,000+ gallons a year with a decent system.

Annual Collection

7,027 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

Limited

Your state has quantity limits on rainwater collection — check local regulations before installing large systems.

Best Collection Months

Apr, May, Jul, Aug

Highest rainfall months — your barrels will fill up quickly during these months.

Months to Draw From Storage

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 14.1 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 7,027 gallons annually
  • Check UT state regulations — rainwater harvesting has quantity limits
  • In your dry climate, every drop counts — consider a larger cistern system
  • Position collection tanks in shade to reduce evaporation and algae growth

🥬 Vegetables to Grow in Mayfield

107 vegetables matched to Zone 6a with planting dates calibrated for Mayfield.

Show all 107 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 16 May 28 Jun 4 Aug 27 – Oct 1 80–100
Amaranth Mar 26 May 28 Jun 4 Sep 3 – Oct 22 90–120
Arugula Apr 16 May 7 May 21 Jul 20 Jun 25 – Aug 27 30–50
Asparagus Jun 4 730–1095
Beets May 7 Jul 20 Jul 2 – Jul 30 50–70
Belgian Endive Apr 16 May 7 May 21 Jul 20 Sep 10 – Nov 5 110–150
Bitter Melon Mar 26 May 28 Jun 4 Aug 6 – Sep 17 60–90
Black Beans May 28 Aug 27 – Oct 15 90–120
Bok Choy Apr 16 May 7 May 21 Jul 20 Jul 2 – Aug 6 40–60
Broccoli Apr 16 May 7 May 21 Jul 20 Jul 23 – Sep 3 60–90
Broccoli Rabe Apr 16 May 7 May 21 Jul 20 Jul 2 – Aug 6 40–60
Brussels Sprouts Apr 16 May 7 May 21 Jul 20 Aug 20 – Oct 15 90–130
Butternut Squash Apr 16 May 28 Jun 4 Sep 3 – Oct 8 85–110
Cabbage Apr 16 May 7 May 21 Jul 20 Jul 23 – Sep 17 60–100
Calabash Mar 26 May 28 Jun 4 Aug 27 – Oct 22 80–120
Carrots May 7 Jul 20 Jul 9 – Aug 13 60–80
Cauliflower Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 17 55–100
Celeriac Apr 16 May 7 May 21 Jul 20 Sep 3 – Oct 8 100–120
Celery Apr 16 May 7 May 21 Jul 20 Aug 13 – Oct 8 80–120
Celtuce Apr 16 May 7 May 21 Jul 20 Jul 23 – Sep 3 60–90
Chard Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 3 50–60
Chickpeas Apr 16 May 7 May 21 Jul 20 Aug 13 – Sep 24 80–110
Chicory Apr 16 May 7 May 21 Jul 20 Jul 23 – Sep 3 60–85
Chinese Cabbage Apr 16 May 7 May 21 Jul 20 Jul 16 – Aug 13 50–70
Christmas Lima Beans Mar 26 May 28 Jun 4 Aug 27 – Oct 1 80–100
Collard Greens Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 17 55–75
Corn May 28 Jul 30 – Sep 24 60–100
Cowpeas May 28 Jul 30 – Sep 10 60–90
Cress Apr 16 May 7 May 21 Jul 20 Jun 4 – Jun 25 14–21
Crookneck Squash Apr 16 May 28 Jun 4 Jul 23 – Aug 20 45–60
Crosne May 7 Jul 20 Oct 8 – Nov 19 150–200
Cucumber Apr 16 May 28 Jun 4 Jul 30 – Sep 24 50–70
Daikon May 7 Jul 20 Jul 2 – Jul 30 50–70
Delicata Squash Apr 16 May 28 Jun 4 Aug 27 – Oct 1 80–100
Edamame May 28 Aug 13 – Sep 24 75–100
Eggplant Mar 12 May 28 Jun 4 Aug 13 – Oct 15 65–85
Endive Apr 16 May 7 May 21 Jul 20 Jul 9 – Aug 13 45–65
Escarole Apr 16 May 7 May 21 Jul 20 Jul 16 – Aug 13 50–70
Fava Beans Apr 16 May 7 May 21 Jul 20 Aug 6 – Sep 17 75–100
Fennel Mar 26 May 28 Jun 4 Aug 6 – Sep 17 60–90
Garlic Aug 17 Nov 16 – Mar 1 90–240
Green Beans May 28 Jul 23 – Sep 17 50–65
Horseradish Jun 4 Oct 8 – Dec 17 120–180
Hot Peppers Mar 12 May 28 Jun 4 Aug 13 – Nov 19 70–120
Hubbard Squash Apr 16 May 28 Jun 4 Sep 17 – Oct 22 100–120
Kabocha Apr 16 May 28 Jun 4 Sep 3 – Oct 1 85–100
Kai Lan Apr 16 May 7 May 21 Jul 20 Jul 9 – Aug 6 45–60
Kale Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 10 50–70
Kidney Beans May 28 Aug 27 – Oct 1 85–110
Kohlrabi Apr 16 May 7 May 21 Jul 20 Jul 9 – Aug 13 45–65
Komatsuna Apr 16 May 7 May 21 Jul 20 Jun 25 – Jul 30 35–50
Leeks Apr 16 May 7 May 21 Jul 20 Aug 20 – Nov 5 90–150
Lentils Apr 16 May 7 May 21 Jul 20 Aug 13 – Sep 24 80–110
Lettuce Apr 16 May 7 May 21 Jul 20 Jun 25 – Sep 3 30–60
Lima Beans May 28 Jul 30 – Sep 10 60–90
Loofah Mar 26 May 28 Jun 4 Sep 17 – Nov 19 100–150
Luffa Mar 26 May 28 Jun 4 Sep 3 – Nov 19 90–150
Mache Apr 16 May 7 May 21 Jul 20 Jul 2 – Aug 6 40–60
Melon Apr 16 May 28 Jun 4 Aug 13 – Oct 1 70–100
Microgreens Apr 16 May 7 May 21 Jul 20 May 28 – Jun 25 7–21
Mitsuba Apr 16 May 7 May 14 Jul 20 Jul 9 – Sep 3 50–70
Mizuna Apr 16 May 7 May 21 Jul 20 Jun 25 – Jul 23 30–45
Mustard Greens Apr 16 May 7 May 21 Jul 20 Jun 25 – Aug 27 30–50
Napa Cabbage Apr 16 May 7 May 21 Jul 20 Jul 16 – Aug 20 55–75
New Zealand Spinach Mar 26 May 28 Jun 4 Jul 30 – Aug 27 55–70
Okra Mar 26 May 28 Jun 4 Jul 30 – Sep 24 50–65
Onion Apr 16 May 7 May 21 Jul 20 Aug 20 – Oct 8 90–120
Pac Choi Apr 16 May 7 May 21 Jul 20 Jul 2 – Jul 30 40–55
Parsnip May 7 Jul 20 Aug 20 – Oct 1 100–130
Patty Pan Squash Apr 16 May 28 Jun 4 Jul 23 – Aug 20 45–60
Peas Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 10 55–70
Peppers Mar 12 May 28 Jun 4 Aug 6 – Oct 15 60–90
Pole Beans Mar 26 May 28 Jun 4 Jul 30 – Sep 24 55–70
Potatoes Mar 26 May 28 Jun 4 Aug 13 – Oct 22 70–120
Pumpkin Apr 16 May 28 Jun 4 Sep 3 – Oct 22 85–120
Purslane Apr 16 May 7 May 21 Jul 20 Jul 2 – Aug 6 40–60
Radicchio Apr 16 May 7 May 21 Jul 20 Jul 23 – Aug 27 60–80
Radish May 7 Jul 20 Jun 4 – Jun 25 22–35
Rhubarb Jun 11 365–730
Romanesco Apr 16 May 7 May 21 Jul 20 Aug 6 – Sep 17 75–100
Rutabaga May 7 Jul 20 Jul 30 – Sep 3 80–100
Salsify May 7 Jul 20 Aug 20 – Oct 1 100–130
Savoy Cabbage Apr 16 May 7 May 21 Jul 20 Jul 30 – Sep 24 70–110
Scallions Apr 16 May 7 May 21 Jul 20 Jul 16 – Aug 13 50–70
Scarlet Runner Beans Mar 26 May 28 Jun 4 Aug 6 – Sep 10 60–80
Shallot Apr 16 May 7 May 21 Jul 20 Aug 20 – Oct 8 90–120
Shiso Apr 2 May 28 Jun 4 Jul 30 – Sep 24 50–70
Snap Peas Mar 26 May 28 Jun 4 Jul 30 – Sep 24 55–70
Snow Peas Apr 16 May 7 May 21 Jul 20 Jul 16 – Sep 10 50–65
Soybeans May 28 Aug 20 – Oct 15 80–120
Spaghetti Squash Apr 16 May 28 Jun 4 Sep 3 – Oct 1 85–100
Spinach Apr 16 May 7 May 21 Jul 20 Jun 25 – Aug 27 35–50
Squash (Summer) Apr 16 May 28 Jun 4 Jul 23 – Sep 24 45–65
Squash (Winter) Apr 16 May 28 Jun 4 Aug 27 – Oct 22 80–120
Sunchoke Jun 4 Sep 24 – Nov 19 110–150
Sweet Corn May 28 Jul 30 – Sep 10 60–90
Sweet Potatoes Mar 26 May 28 Jun 4 Sep 3 – Oct 22 90–120
Tatsoi Apr 16 May 7 May 21 Jul 20 Jun 25 – Jul 30 35–50
Tomatillo Mar 26 May 28 Jun 4 Aug 6 – Oct 15 60–85
Tomatoes Mar 26 May 28 Jun 4 Aug 6 – Oct 15 60–85
Turnip May 7 Jul 20 Jun 18 – Jul 23 40–60
Watercress Apr 16 May 7 May 21 Jul 20 Jul 2 – Aug 6 40–60
Watermelon Apr 16 May 28 Jun 4 Aug 13 – Oct 1 70–100
Wax Beans May 28 Jul 23 – Sep 17 50–65
Winter Melon Mar 26 May 28 Jun 4 Sep 3 – Oct 22 90–120
Yard Long Beans Mar 26 May 28 Jun 4 Jul 30 – Sep 10 55–80
Zucchini Apr 16 May 28 Jun 4 Jul 23 – Sep 17 45–60

🍓 Fruits to Grow in Mayfield

27 fruits matched to Zone 6a with planting dates calibrated for Mayfield.

Show all 27 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Jun 11 Sep 10 – Dec 24 90–180
Aronia Jun 11 730–1095
Blackberries Jun 11 365–730
Blueberries Jun 11 730–1095
Boysenberries Jun 11 365–730
Cantaloupe Jun 11 Aug 20 – Sep 24 70–90
Che Fruit Jun 11 1095–1825
Cranberries Jun 11 730–1095
Currants Jun 11 730–1095
Elderberries Jun 11 730–1095
Goji Berries Jun 11 730–1095
Gooseberries Jun 11 730–1095
Grapes Jun 11 730–1095
Ground Cherry Jun 11 Aug 20 – Oct 15 65–80
Hardy Kiwi Jun 11 1095–1825
Haskaps Jun 11 730–1095
Honeydew Jun 11 Sep 3 – Oct 15 80–110
Jostaberry Jun 11 730–1095
Lingonberries Jun 11 730–1095
Medlar Jun 11 1095–1825
Mulberries Jun 11 730–1825
Pawpaw Jun 11 1095–2555
Persimmon Jun 11 1095–2555
Quince Jun 11 1095–1825
Raspberries Jun 11 365–730
Serviceberries Jun 11 730–1095
Strawberries Jun 11 Sep 10 – Dec 24 90–365

🌿 Herbs to Grow in Mayfield

35 herbs matched to Zone 6a with planting dates calibrated for Mayfield.

Show all 35 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Apr 16 May 7 May 14 Jul 20 365–730
Anise Apr 16 May 7 May 14 Jul 20 Aug 13 – Oct 29 90–120
Basil Apr 2 May 28 Jun 4 Jul 30 – Oct 1 50–75
Bee Balm May 28 Aug 27 – Nov 12 90–120
Borage Apr 16 May 7 May 14 Jul 20 Jul 9 – Aug 27 50–60
Caraway Apr 16 May 7 May 14 Jul 20 365–450
Catnip May 28 Jul 30 – Oct 1 60–80
Chamomile Apr 16 May 7 May 14 Jul 20 Jul 16 – Sep 24 60–90
Chervil Apr 16 May 7 May 14 Jul 20 Jun 25 – Aug 27 40–60
Chives May 28 Jul 30 – Oct 8 60–90
Cilantro Apr 16 May 7 May 14 Jul 20 Jun 25 – Aug 27 40–60
Comfrey May 28 Jul 30 – Oct 8 60–90
Cumin Apr 16 May 7 May 14 Jul 20 Aug 27 – Oct 29 100–120
Dill Apr 16 May 7 May 14 Jul 20 Jun 25 – Aug 27 40–60
Epazote Apr 2 May 28 Jun 4 Jul 23 – Sep 17 45–60
Fennel (herb) Apr 16 May 7 May 14 Jul 20 Jul 16 – Sep 24 60–90
Feverfew May 28 Aug 27 – Nov 12 90–120
Garlic Chives May 28 Jul 30 – Oct 8 60–90
Horehound May 28 Aug 13 – Oct 8 75–90
Hyssop May 28 Aug 6 – Oct 8 70–90
Lemon Balm May 28 Jul 30 – Sep 17 60–70
Lemon Thyme May 28 Aug 6 – Oct 8 70–90
Lovage May 28 Aug 6 – Oct 8 70–90
Marjoram May 28 Jul 30 – Oct 8 60–90
Mint May 28 Jul 30 – Oct 8 60–90
Oregano May 28 Jul 30 – Oct 8 60–90
Parsley Apr 16 May 7 May 14 Jul 20 Jul 16 – Sep 17 60–80
Rue May 28 Aug 6 – Oct 8 70–90
Sage May 28 Aug 13 – Oct 8 75–90
Savory May 28 Jul 23 – Sep 17 50–70
Sorrel Apr 16 May 7 May 14 Jul 20 Jun 25 – Aug 27 40–60
Tarragon May 28 Jul 30 – Oct 8 60–90
Thai Basil Apr 2 May 28 Jun 4 Jul 30 – Oct 1 50–75
Thyme May 28 Aug 6 – Oct 8 70–90
Valerian May 28 Oct 1 – Dec 10 120–180

🌸 Flowers to Grow in Mayfield

53 flowers matched to Zone 6a with planting dates calibrated for Mayfield.

Show all 53 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Apr 2 May 21 May 21 Jul 16 – Oct 22 60–75
Alliums Aug 17 Sep 14 – Oct 12 28–42
Anemones Apr 23 May 21 Jun 25 – Jul 23 90–120
Astilbe Mar 19 May 28 Aug 6 – Oct 15 70–100
Bachelor's Button Apr 9 Apr 23 May 21 Aug 17 Jul 23 – Oct 8 60–90
Begonias Mar 12 May 28 Aug 6 – Nov 5 70–90
Black-eyed Susan Mar 19 May 21 May 28 Aug 13 – Nov 26 60–80
Bleeding Hearts Mar 19 May 28 Jul 23 – Aug 27 60–90
Calendula Apr 9 Apr 23 May 21 Jul 9 – Oct 8 50–70
California Poppy Apr 23 Jul 2 – Aug 13 60–90
Celosia Apr 16 May 28 May 28 Jul 30 – Nov 12 60–90
Columbine Mar 19 Jun 4 Jun 4 Jul 30 – Sep 3 70–100
Coreopsis Mar 19 May 28 May 28 Aug 6 – Nov 26 60–80
Cosmos Apr 23 May 21 May 21 Jul 30 – Nov 5 60–90
Crocus Aug 17 Jul 6 – Jul 27 10–20
Daffodils Aug 17 Jul 13 – Aug 3 20–40
Dahlias Apr 23 May 28 May 28 Aug 13 – Nov 26 70–120
Daylily Mar 19 May 28 Aug 13 – Nov 26 60–90
Dianthus Mar 26 Apr 23 May 7 Jun 25 – Sep 24 60–80
Echinacea (Purple Coneflower) Mar 19 Jun 4 Jun 4 Aug 27 – Dec 3 70–90
Foxglove Mar 19 May 28 May 28 Jul 23 – Aug 27 80–120
Gaillardia (Blanket Flower) Apr 2 May 28 May 28 Aug 6 – Dec 10 70–100
Geraniums Mar 12 May 28 Aug 6 – Nov 5 70–100
Gladiolus May 21 May 21 Aug 6 – Nov 19 70–100
Hostas Mar 12 May 28 Aug 13 – Nov 26 60–90
Hyacinths Aug 17 Aug 3 – Aug 24 14–28
Hydrangeas Mar 12 May 28 Aug 6 – Nov 12 90–150
Impatiens Mar 26 May 28 Aug 6 – Nov 12 60–75
Irises Division May 28 Jul 23 – Aug 20 60–100
Larkspur Apr 23 Jul 2 – Aug 27 60–90
Lavender Mar 12 Jun 4 Aug 13 – Oct 8 90–120
Lilies Division May 28 Aug 6 – Nov 12 70–120
Lobelia Mar 19 May 7 Jul 2 – Sep 24 70–80
Lupine Mar 19 May 28 May 28 Jul 23 – Aug 27 75–100
Marigolds Apr 9 May 28 May 28 Jul 23 – Oct 22 50–70
Nasturtium Apr 23 May 28 May 28 Jul 23 – Nov 12 55–65
Pansy Mar 12 May 21 Aug 3 Jul 16 – Sep 17 70–90
Peonies Division May 28 Jul 30 – Sep 3 90–120
Petunia Mar 26 May 28 Aug 6 – Nov 12 70–90
Phlox Mar 19 May 28 May 28 Aug 6 – Oct 29 80–110
Portulaca Apr 16 May 28 May 28 Jul 16 – Oct 29 50–70
Ranunculus Apr 9 May 21 Jul 2 – Jul 30 90–120
Roses Mar 12 May 28 Aug 6 – Nov 26 90–180
Salvia Mar 19 May 28 Aug 6 – Nov 12 70–90
Sedum (Stonecrop) Mar 19 May 28 Sep 17 – Dec 3 60–90
Snapdragon Mar 12 Apr 30 May 21 Jul 30 – Oct 8 70–100
Sunflower Apr 30 May 28 May 28 Aug 20 – Nov 12 70–100
Sweet Alyssum Apr 2 Apr 30 May 21 Jul 2 – Sep 10 45–60
Sweet Pea Apr 9 Apr 16 May 21 Aug 6 – Oct 15 65–85
Tulips Aug 17 Jul 27 – Aug 24 15–30
Vinca (Annual) Mar 12 May 28 Aug 6 – Nov 12 70–90
Yarrow Mar 19 May 21 May 28 Aug 6 – Nov 26 60–90
Zinnia Apr 23 May 28 May 28 Aug 6 – Nov 12 60–70

Monthly Planting Guide for Mayfield

ZIP Codes in Mayfield

Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Sanpete County.

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Your Sanpete County Garden Planner — Free

A 22-page printable planner built for Sanpete County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Best Seller
The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

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
See what's inside →
Reader favourite
Seed Saving & Storage Guide

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
Save a lifetime of seed money →
Composting Guide for Homesteaders

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
Start composting today →

Town-level data is aggregated from per-ZIP NOAA GHCN-D measurements (1 ZIP code in Mayfield), USDA SSURGO soil survey, and the US Drought Monitor weekly archive. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: June 2026.