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Millinocket, ME — Planting Guide for June

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Millinocket, ME Zone 5a June

June in the garden — Millinocket, ME

Each item below is timed to Millinocket, ME's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost May 10
Avg. first frost October 2
Soil temp (4") 66°F
Watering Low
Pest pressure High
Daylight 15.5 hrs
  1. Begin indoor sowing: basil, cucumber, and kale

    A seed-starting mix and a sunny window (or a grow light) are all you need. Keep soil warm — around 70°F — for fast germination.

  2. Pick carrots, lettuce, and radish

    Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.

July prep starts now
  • Starting indoors: peppers, pole beans, and tomatoes
  • First harvests: basil, carrots, and cucumber
  • Fall sowing: carrots, kale, and lettuce

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Millinocket has a classic four-season growing climate (Zone 5a). The last spring frost typically lands around May 10 and the first fall frost arrives around October 2 — a 145-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 Silt Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.

Drought pressure is moderate (12.0 weeks/year on average). Mulching and drip irrigation pay for themselves quickly.

🌡️ USDA Zone

5a (-20°F to -15°F min)

❄️ Avg. Last Frost

May 10

🍂 Avg. First Frost

October 2

📅 Growing Season

145 days

🌧️ Climate

Moderate 25.4" annual

💨 Wind

Calm 5.5 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

12.0 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Millinocket, ME Short season
145 days
Last Spring Frost May 10
145 growing days
First Fall Frost October 2

Monthly Watering Calendar for Millinocket

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

For new gardeners: Most vegetables want about 1 inch of water per week. Millinocket gets 25" 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.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 2.4" Feb 2.3" Mar 3" +0.9" Apr 3.4" +0.4" May 3.9" +0.4" Jun 3.9" +0.8" Jul 3.5" +1.1" Aug 3.2" +0.6" Sep 3.7" +0.7" Oct 3.6" Nov 3.2" Dec 2.6"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 2.4 in 12 days None
Feb 2.3 in 10 days None
Mar 3 in 10 days None
Apr 3.4 in 11 days 0.9 in Moderate
May 3.9 in 12 days 0.4 in Low
Jun 3.9 in 11 days 0.4 in Low
Jul 3.5 in 8 days 0.8 in Moderate
Aug 3.2 in 9 days 1.1 in Moderate
Sep 3.7 in 8 days 0.6 in Moderate
Oct 3.6 in 7 days 0.7 in Moderate
Nov 3.2 in 11 days None
Dec 2.6 in 10 days None

Annual total: 38.7 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.

Millinocket Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.7

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 10 → Oct 2 145 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: May 25 Protect by: Oct 20

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 25 Oct 20 148 days
Cautious May 16 Oct 5 142 days
Average year May 10 Oct 2 145 days
Optimistic May 7 Sep 27 143 days
Aggressive (risky) Apr 30 Sep 18 141 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±24 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 2.4 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

63 Good
Frost Timing Risk
9.2/10
Drought Risk
3.5/10
Soil Difficulty
0.0/10
Altitude Challenge
0.0/10
Climate Shift
9.7/10
Rainfall Challenge
0.0/10

Penobscot County offers good growing conditions. A little planning around frost dates goes a long way.

Zone 5a Frost Countdown
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Loading...
Last Frost: May 10 First Frost: Oct 2

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

County Extension Office

Penobscot County University of Maine Cooperative Extension Extension Office

Phone: 207-581-3188

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 ME →

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 Penobscot County

Soil testing Short-season gardening Pest identification
Finding local nurseries & garden centers in Penobscot County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Penobscot 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 Penobscot County ME" or "garden center Penobscot 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 Penobscot County ME" or check your extension office and local parks department. Facebook groups like "Penobscot County Gardeners" or "Maine 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 Carrots (harvest ends Aug 16) 47 days until frost
After Green Beans (harvest ends Aug 30) 33 days until frost
After Peas (harvest ends Aug 30) 33 days until frost
After Beets (harvest ends Aug 2) 61 days until frost
After Arugula (harvest ends Aug 16) 47 days until frost
After Columbine (harvest ends Aug 30) 33 days until frost

Sunlight & Day Length in Millinocket

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

Why it matters: Lettuce and cilantro "bolt" (go to seed) when days lengthen. Knowing your day-length curve helps you time spring plantings to harvest before the bolting trigger hits. Millinocket's daylight ranges shape the planting calendar.

Longest Day

15.5 hours

Summer solstice daylight

Shortest Day

8.5 hours

Winter solstice daylight

Peak Sun Hours

8.8 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.

14hr 12hr 2h 6h 10h 13h 17h 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 8.9 hr 3.2 hr Short day
February 10.2 hr 4.4 hr Short day
March 11.6 hr 5 hr Short day
April 13.3 hr 6.5 hr Neutral
May 14.7 hr 7.5 hr Long day
June 15.5 hr 8.4 hr Long day
July 15.1 hr 8.8 hr Long day
August 13.9 hr 7.8 hr Neutral
September 12.3 hr 6.6 hr Neutral
October 10.7 hr 5.2 hr Short day
November 9.3 hr 3.6 hr Short day
December 8.5 hr 3 hr Short day

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

Soil Temperature & Composting in Millinocket

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

Why this matters: Watching soil temperature (not air) is the single biggest upgrade most new gardeners can make. Millinocket's typical curve helps you plan — but a $5 soil thermometer in the bed beats any average.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jun through Sep.

Best Month to Compost

Jun

Microbial activity peaks when soil is warm.

Active Composting

6 months

Solid season. Piles go dormant in winter.

60°F 70°F 23° 45° 68° 90° 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 12°F 24°F ❄️ Dormant ~36 weeks
Feb 15°F 23°F ❄️ Dormant ~36 weeks
Mar 25°F 28°F ❄️ Dormant ~36 weeks
Apr 41°F 40°F 🐢 Slow ~24 weeks
May 56°F 51°F ♻️ Active ~14 weeks
Jun 66°F 60°F 🔥 Peak ~8 weeks
Jul 71°F 65°F 🔥 Peak ~8 weeks
Aug 72°F 68°F 🔥 Peak ~8 weeks
Sep 68°F 64°F 🔥 Peak ~8 weeks
Oct 54°F 54°F ♻️ Active ~14 weeks
Nov 38°F 44°F ❄️ Dormant ~36 weeks
Dec 21°F 31°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 Millinocket

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

What this means for you: High pest pressure means weekly inspection. Low pest pressure means monthly. The score tells you which routine to set up before you have a problem.

Insect Pest Pressure

4.6 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

5.8 / 10

Moderate — watch for mildew and blight during wet periods.

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
Cabbage worms Moderate Jun, Jul, Aug
Colorado potato beetle Low Jun, Jul
Flea beetles Low May, Jun, Jul
Slugs Moderate 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 Millinocket

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

Why it matters: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.

Spring Cover Crops (2 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 12 Aug 7 Rapid growth, attracts pollinators, suppresses weeds
White clover Apr 10 Jul 24 ✓ 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 29 Sep 18 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (5 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Daikon radish Aug 16 Apr 19 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 23 Apr 19 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Aug 22 Apr 26 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 7 Apr 26 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jun 26 Apr 26 Erosion control, weed suppression, good biomass

Wind & Microclimate in Millinocket

Why it matters: New gardeners under-plan for wind. Millinocket averages 5.5 mph — fine for most days. But every region has its windy days, and the first time a row of unstaked peppers leans over after a storm is a lesson you only need once.

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

Seasonal Wind Speed

Spring: 14 mph   Summer: 12 mph

Fall: 10 mph   Winter: 16 mph

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

Windbreak Benefit

6.8/10

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

Frost Pocket Risk

Low

Relatively flat terrain (194 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Millinocket

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

Why this matters: Building a rainwater system is mostly about doing the math: roof area × annual rainfall × 0.6 = gallons you could realistically capture. For Millinocket, that's your 25" times your roof.

Annual Collection

19,288 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 1,000 gal tank.

Legal Status

Unrestricted

Rainwater harvesting is fully legal in your state with no restrictions.

Best Collection Months

May, Jun, Sep, Oct

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 38.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 19,288 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
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🥬 Vegetables to Grow in Millinocket

105 vegetables matched to Zone 5a with planting dates calibrated for Millinocket.

Show all 105 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 5 May 17 May 24 Aug 16 – Sep 20 80–100
Amaranth Mar 15 May 17 May 24 Aug 23 – Oct 11 90–120
Arugula Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Aug 16 30–50
Asparagus May 24 730–1095
Beets Apr 26 Jul 24 Jun 21 – Jul 19 50–70
Belgian Endive Apr 5 Apr 26 May 10 Jul 24 Aug 30 – Oct 25 110–150
Bitter Melon Mar 15 May 17 May 24 Jul 26 – Sep 6 60–90
Black Beans May 17 Aug 16 – Oct 4 90–120
Bok Choy Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 26 40–60
Broccoli Apr 5 Apr 26 May 10 Jul 24 Jul 12 – Aug 23 60–90
Broccoli Rabe Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 26 40–60
Brussels Sprouts Apr 5 Apr 26 May 10 Jul 24 Aug 9 – Oct 4 90–130
Butternut Squash Apr 5 May 17 May 24 Aug 23 – Sep 27 85–110
Cabbage Apr 5 Apr 26 May 10 Jul 24 Jul 12 – Sep 6 60–100
Calabash Mar 15 May 17 May 24 Aug 16 – Oct 11 80–120
Carrots Apr 26 Jul 24 Jun 28 – Aug 2 60–80
Cauliflower Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Sep 6 55–100
Celeriac Apr 5 Apr 26 May 10 Jul 24 Aug 23 – Sep 27 100–120
Celery Apr 5 Apr 26 May 10 Jul 24 Aug 2 – Sep 27 80–120
Celtuce Apr 5 Apr 26 May 10 Jul 24 Jul 12 – Aug 23 60–90
Chard Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 23 50–60
Chickpeas Apr 5 Apr 26 May 10 Jul 24 Aug 2 – Sep 13 80–110
Chicory Apr 5 Apr 26 May 10 Jul 24 Jul 12 – Aug 23 60–85
Chinese Cabbage Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 2 50–70
Christmas Lima Beans Mar 15 May 17 May 24 Aug 16 – Sep 20 80–100
Collard Greens Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Sep 6 55–75
Corn May 17 Jul 19 – Sep 13 60–100
Cowpeas May 17 Jul 19 – Aug 30 60–90
Cress Apr 5 Apr 26 May 10 Jul 24 May 24 – Jun 14 14–21
Crookneck Squash Apr 5 May 17 May 24 Jul 12 – Aug 9 45–60
Crosne Apr 26 Jul 24 Sep 27 – Oct 11 150–200
Cucumber Apr 5 May 17 May 24 Jul 19 – Sep 13 50–70
Daikon Apr 26 Jul 24 Jun 21 – Jul 19 50–70
Delicata Squash Apr 5 May 17 May 24 Aug 16 – Sep 20 80–100
Edamame May 17 Aug 2 – Sep 13 75–100
Eggplant Mar 1 May 17 May 24 Aug 2 – Oct 4 65–85
Endive Apr 5 Apr 26 May 10 Jul 24 Jun 28 – Aug 2 45–65
Escarole Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 2 50–70
Fava Beans Apr 5 Apr 26 May 10 Jul 24 Jul 26 – Sep 6 75–100
Fennel Mar 15 May 17 May 24 Jul 26 – Sep 6 60–90
Garlic Aug 21 Nov 20 – Feb 5 90–240
Green Beans May 17 Jul 12 – Sep 6 50–65
Horseradish May 24 Sep 27 – Nov 8 120–180
Hot Peppers Mar 1 May 17 May 24 Aug 2 – Nov 8 70–120
Hubbard Squash Apr 5 May 17 May 24 Sep 6 – Oct 11 100–120
Kabocha Apr 5 May 17 May 24 Aug 23 – Sep 20 85–100
Kai Lan Apr 5 Apr 26 May 10 Jul 24 Jun 28 – Jul 26 45–60
Kale Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 30 50–70
Kidney Beans May 17 Aug 16 – Sep 20 85–110
Kohlrabi Apr 5 Apr 26 May 10 Jul 24 Jun 28 – Aug 2 45–65
Komatsuna Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Jul 19 35–50
Leeks Apr 5 Apr 26 May 10 Jul 24 Aug 9 – Oct 25 90–150
Lentils Apr 5 Apr 26 May 10 Jul 24 Aug 2 – Sep 13 80–110
Lettuce Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Aug 23 30–60
Lima Beans May 17 Jul 19 – Aug 30 60–90
Mache Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 26 40–60
Melon Apr 5 May 17 May 24 Aug 2 – Sep 20 70–100
Microgreens Apr 5 Apr 26 May 10 Jul 24 May 17 – Jun 14 7–21
Mitsuba Apr 5 Apr 26 May 3 Jul 24 Jun 28 – Aug 23 50–70
Mizuna Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Jul 12 30–45
Mustard Greens Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Aug 16 30–50
Napa Cabbage Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 9 55–75
New Zealand Spinach Mar 15 May 17 May 24 Jul 19 – Aug 16 55–70
Okra Mar 15 May 17 May 24 Jul 19 – Sep 13 50–65
Onion Apr 5 Apr 26 May 10 Jul 24 Aug 9 – Sep 27 90–120
Pac Choi Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 19 40–55
Parsnip Apr 26 Jul 24 Aug 9 – Sep 20 100–130
Patty Pan Squash Apr 5 May 17 May 24 Jul 12 – Aug 9 45–60
Peas Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 30 55–70
Peppers Mar 1 May 17 May 24 Jul 26 – Oct 4 60–90
Pole Beans Mar 15 May 17 May 24 Jul 19 – Sep 13 55–70
Potatoes Mar 15 May 17 May 24 Aug 2 – Oct 11 70–120
Pumpkin Apr 5 May 17 May 24 Aug 23 – Oct 11 85–120
Purslane Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 26 40–60
Radicchio Apr 5 Apr 26 May 10 Jul 24 Jul 12 – Aug 16 60–80
Radish Apr 26 Jul 24 May 24 – Jun 14 22–35
Rhubarb May 31 365–730
Romanesco Apr 5 Apr 26 May 10 Jul 24 Jul 26 – Sep 6 75–100
Rutabaga Apr 26 Jul 24 Jul 19 – Aug 23 80–100
Salsify Apr 26 Jul 24 Aug 9 – Sep 20 100–130
Savoy Cabbage Apr 5 Apr 26 May 10 Jul 24 Jul 19 – Sep 13 70–110
Scallions Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 2 50–70
Scarlet Runner Beans Mar 15 May 17 May 24 Jul 26 – Aug 30 60–80
Shallot Apr 5 Apr 26 May 10 Jul 24 Aug 9 – Sep 27 90–120
Shiso Mar 22 May 17 May 24 Jul 19 – Sep 13 50–70
Snap Peas Mar 15 May 17 May 24 Jul 19 – Sep 13 55–70
Snow Peas Apr 5 Apr 26 May 10 Jul 24 Jul 5 – Aug 30 50–65
Soybeans May 17 Aug 9 – Oct 4 80–120
Spaghetti Squash Apr 5 May 17 May 24 Aug 23 – Sep 20 85–100
Spinach Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Aug 16 35–50
Squash (Summer) Apr 5 May 17 May 24 Jul 12 – Sep 13 45–65
Squash (Winter) Apr 5 May 17 May 24 Aug 16 – Oct 11 80–120
Sunchoke May 24 Sep 13 – Nov 8 110–150
Sweet Corn May 17 Jul 19 – Aug 30 60–90
Sweet Potatoes Mar 15 May 17 May 24 Aug 23 – Oct 11 90–120
Tatsoi Apr 5 Apr 26 May 10 Jul 24 Jun 14 – Jul 19 35–50
Tomatillo Mar 15 May 17 May 24 Jul 26 – Oct 4 60–85
Tomatoes Mar 15 May 17 May 24 Jul 26 – Oct 4 60–85
Turnip Apr 26 Jul 24 Jun 7 – Jul 12 40–60
Watercress Apr 5 Apr 26 May 10 Jul 24 Jun 21 – Jul 26 40–60
Watermelon Apr 5 May 17 May 24 Aug 2 – Sep 20 70–100
Wax Beans May 17 Jul 12 – Sep 6 50–65
Winter Melon Mar 15 May 17 May 24 Aug 23 – Oct 11 90–120
Yard Long Beans Mar 15 May 17 May 24 Jul 19 – Aug 30 55–80
Zucchini Apr 5 May 17 May 24 Jul 12 – Sep 6 45–60

🍓 Fruits to Grow in Millinocket

27 fruits matched to Zone 5a with planting dates calibrated for Millinocket.

Show all 27 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries May 31 Aug 30 – Nov 15 90–180
Aronia May 31 730–1095
Blackberries May 31 365–730
Blueberries May 31 730–1095
Boysenberries May 31 365–730
Cantaloupe May 31 Aug 9 – Sep 13 70–90
Che Fruit May 31 1095–1825
Cranberries May 31 730–1095
Currants May 31 730–1095
Elderberries May 31 730–1095
Goji Berries May 31 730–1095
Gooseberries May 31 730–1095
Grapes May 31 730–1095
Ground Cherry May 31 Aug 9 – Oct 4 65–80
Hardy Kiwi May 31 1095–1825
Haskaps May 31 730–1095
Honeydew May 31 Aug 23 – Oct 4 80–110
Jostaberry May 31 730–1095
Lingonberries May 31 730–1095
Medlar May 31 1095–1825
Mulberries May 31 730–1825
Pawpaw May 31 1095–2555
Persimmon May 31 1095–2555
Quince May 31 1095–1825
Raspberries May 31 365–730
Serviceberries May 31 730–1095
Strawberries May 31 Aug 30 – Nov 15 90–365

🌿 Herbs to Grow in Millinocket

34 herbs matched to Zone 5a with planting dates calibrated for Millinocket.

Show all 34 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Apr 5 Apr 26 May 3 Jul 24 365–730
Anise Apr 5 Apr 26 May 3 Jul 24 Aug 2 – Oct 18 90–120
Basil Mar 22 May 17 May 24 Jul 19 – Sep 20 50–75
Bee Balm May 17 Aug 16 – Nov 1 90–120
Borage Apr 5 Apr 26 May 3 Jul 24 Jun 28 – Aug 16 50–60
Caraway Apr 5 Apr 26 May 3 Jul 24 365–450
Catnip May 17 Jul 19 – Sep 20 60–80
Chamomile Apr 5 Apr 26 May 3 Jul 24 Jul 5 – Sep 13 60–90
Chervil Apr 5 Apr 26 May 3 Jul 24 Jun 14 – Aug 16 40–60
Chives May 17 Jul 19 – Sep 27 60–90
Cilantro Apr 5 Apr 26 May 3 Jul 24 Jun 14 – Aug 16 40–60
Comfrey May 17 Jul 19 – Sep 27 60–90
Cumin Apr 5 Apr 26 May 3 Jul 24 Aug 16 – Oct 18 100–120
Dill Apr 5 Apr 26 May 3 Jul 24 Jun 14 – Aug 16 40–60
Epazote Mar 22 May 17 May 24 Jul 12 – Sep 6 45–60
Fennel (herb) Apr 5 Apr 26 May 3 Jul 24 Jul 5 – Sep 13 60–90
Feverfew May 17 Aug 16 – Nov 1 90–120
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
Lemon Thyme May 17 Jul 26 – Sep 27 70–90
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 Apr 5 Apr 26 May 3 Jul 24 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 Apr 5 Apr 26 May 3 Jul 24 Jun 14 – Aug 16 40–60
Tarragon May 17 Jul 19 – Sep 27 60–90
Thai Basil Mar 22 May 17 May 24 Jul 19 – Sep 20 50–75
Thyme May 17 Jul 26 – Sep 27 70–90
Valerian May 17 Sep 20 – Nov 1 120–180

🌸 Flowers to Grow in Millinocket

51 flowers matched to Zone 5a with planting dates calibrated for Millinocket.

Show all 51 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 22 May 17 May 17 Jul 12 – Oct 4 60–75
Alliums Aug 21 Sep 25 – Oct 23 28–42
Anemones Apr 12 May 10 Jun 21 – Jul 19 90–120
Astilbe Mar 8 May 24 Aug 9 – Oct 11 70–100
Bachelor's Button Mar 29 Apr 19 May 10 Jul 12 – Sep 20 60–90
Begonias Mar 1 May 17 Jul 26 – Oct 18 70–90
Black-eyed Susan Mar 8 May 10 May 24 Aug 9 – Nov 8 60–80
Bleeding Hearts Mar 8 May 24 Jul 19 – Aug 30 60–90
Calendula Mar 29 Apr 19 May 10 Jun 28 – Sep 20 50–70
Celosia Apr 5 May 24 May 24 Jul 26 – Oct 25 60–90
Columbine Mar 8 May 24 May 24 Jul 19 – Aug 30 70–100
Coreopsis Mar 8 May 17 May 24 Aug 2 – Nov 8 60–80
Cosmos Apr 12 May 17 May 17 Jul 26 – Oct 18 60–90
Crocus Aug 21 Jul 3 – Jul 24 10–20
Daffodils Aug 21 Jul 10 – Jul 31 20–40
Dahlias Apr 12 May 17 May 17 Aug 9 – Nov 1 70–120
Daylily Mar 8 May 24 Aug 16 – Nov 8 60–90
Dianthus Mar 8 Apr 12 Apr 26 Jun 14 – Aug 30 60–80
Echinacea (Purple Coneflower) Mar 8 May 24 May 24 Aug 16 – Nov 8 70–90
Foxglove Mar 8 May 24 May 24 Jul 19 – Aug 30 80–120
Gaillardia (Blanket Flower) Mar 15 May 24 May 24 Aug 2 – Nov 22 70–100
Geraniums Mar 1 May 17 Jul 26 – Oct 18 70–100
Gladiolus May 17 May 17 Aug 9 – Nov 1 70–100
Hostas Mar 1 May 24 Aug 16 – Nov 8 60–90
Hyacinths Aug 21 Jul 31 – Aug 28 14–28
Hydrangeas Mar 1 May 24 Aug 9 – Oct 25 90–150
Impatiens Mar 15 May 17 Jul 26 – Oct 18 60–75
Irises Division May 24 Jul 19 – Aug 23 60–100
Larkspur Apr 12 Jun 21 – Aug 16 60–90
Lavender Mar 1 May 31 Aug 9 – Sep 20 90–120
Lilies Division May 24 Aug 2 – Oct 25 70–120
Lobelia Mar 1 May 3 Jun 28 – Sep 6 70–80
Lupine Mar 8 May 24 May 24 Jul 19 – Aug 30 75–100
Marigolds Mar 29 May 17 May 17 Jul 12 – Oct 4 50–70
Nasturtium Apr 12 May 17 May 17 Jul 12 – Oct 18 55–65
Pansy Mar 1 May 10 Jul 5 – Aug 30 70–90
Peonies Division May 24 Aug 2 – Sep 13 90–120
Petunia Mar 15 May 17 Jul 26 – Oct 18 70–90
Phlox Mar 8 May 24 May 24 Aug 9 – Oct 25 80–110
Portulaca Apr 5 May 24 May 24 Jul 12 – Oct 11 50–70
Roses Mar 1 May 24 Aug 9 – Nov 8 90–180
Salvia Mar 8 May 17 Jul 26 – Oct 18 70–90
Sedum (Stonecrop) Mar 8 May 24 Sep 20 – Nov 22 60–90
Snapdragon Mar 1 Apr 26 May 10 Jul 19 – Sep 20 70–100
Sunflower Apr 19 May 17 May 17 Aug 9 – Oct 18 70–100
Sweet Alyssum Mar 22 Apr 26 May 10 Jun 21 – Aug 30 45–60
Sweet Pea Mar 29 Apr 5 May 10 Jul 26 – Sep 27 65–85
Tulips Aug 21 Jul 24 – Aug 14 15–30
Vinca (Annual) Feb 22 May 24 Aug 2 – Oct 18 70–90
Yarrow Mar 8 May 10 May 24 Aug 2 – Nov 8 60–90
Zinnia Apr 12 May 17 May 17 Jul 26 – Oct 18 60–70

Monthly Planting Guide for Millinocket

ZIP Codes in Millinocket

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 Penobscot County.

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Your Penobscot County Garden Planner — Free

A 22-page printable planner built for Penobscot County (Zone 5a). 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 Millinocket), 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.