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Newport County, RI — Planting Guide

Newport County, Rhode Island Zone 7a May

Newport County, Rhode Island gardeners: here's your May plan

We've pulled the most time-sensitive tasks for Newport County, Rhode Island this May and put them front and centre. Tackle them in order.

Avg. last frost April 30
Avg. first frost October 13
Soil temp (4") 68°F
Watering Low
Pest pressure Moderate
Daylight 14.3 hrs
  1. Set out basil, cucumber, and peppers seedlings

    Pinch off the lowest leaves on each seedling before you plant — it reduces water loss while the roots catch up.

  2. Outdoor sowing time: basil, cucumber, and green beans

    Succession planting is the secret here. Put in a row now, another in 2 weeks, a third in 4.

  3. Start cucumber, zucchini, and acorn squash indoors

    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.

  4. It's harvest week for radish, cress, and microgreens

    If you can't use it all right away, check the food-preservation section of your planner.

Before June arrives, get these ready
  • Starting indoors: basil, kale, and lettuce
  • First harvests: carrots, kale, and lettuce

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Newport County is in USDA Zone 7a. The average last spring frost is April 30 and the first fall frost is October 13, giving you a growing season of approximately 166 days.

At an elevation of 441 ft, Newport County receives approximately 41.9 in of rainfall annually. Summer highs average 94°F with winter lows around 30°F. The predominant soil type is Silt Loam.

Based on 31 years of NOAA climate station data, the last frost date here varies by 34 days year to year — ranging from April 11 in warm years to May 15 in cold years. The growing season is trending longer by about 6.39 days per decade. Newport County scores 61/100 (Good) on the Microclimate Index.

🌡️ Zone

7a (°F to °F min)

❄️ Last Frost

April 30

🍂 First Frost

October 13

📅 Growing Season

166 days

⛰️ Elevation

441 ft

🌧️ Annual Rainfall

41.9 in

Newport County, RI Moderate season
166 days
Last Spring Frost April 30
166 growing days
First Fall Frost October 13

Monthly Watering Calendar

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

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 2.8" Feb 2.6" +0.5" Mar 3.8" +1" Apr 3.3" May 4.1" Jun 4.5" Jul 4.1" +0.4" Aug 3.9" +1" Sep 3.3" +1.1" Oct 3.2" Nov 3.1" Dec 3.2"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 2.8 in 12 days None
Feb 2.6 in 10 days None
Mar 3.8 in 10 days 0.5 in Low
Apr 3.3 in 12 days 1 in Moderate
May 4.1 in 10 days 0.2 in Low
Jun 4.5 in 11 days Low
Jul 4.1 in 10 days 0.2 in Low
Aug 3.9 in 9 days 0.4 in Low
Sep 3.3 in 8 days 1 in Moderate
Oct 3.2 in 8 days 1.1 in Moderate
Nov 3.1 in 9 days None
Dec 3.2 in 11 days None

Annual total: 41.9 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.

Newport County 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 Apr 30 → Oct 13 166 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: May 15 Protect by: Oct 31

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 15 Oct 31 169 days
Cautious May 7 Oct 20 166 days
Average year Apr 30 Oct 13 166 days
Optimistic Apr 24 Oct 8 167 days
Aggressive (risky) Apr 11 Oct 4 176 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±34 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 6.4 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

61 Good
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
0.0/10
Altitude Challenge
0.0/10
Climate Shift
10.0/10
Rainfall Challenge
0.0/10

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

Zone 7a Frost Countdown
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Loading...
Last Frost: Apr 30 First Frost: Oct 13

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

County Extension Office

Newport County University of Rhode Island Cooperative Extension Extension Office

Phone: 401-874-2900

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 RI →

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 Newport County

Soil testing Pest identification Gardening workshops
Finding local nurseries & garden centers in Newport County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Newport 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 Newport County RI" or "garden center Newport 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 Newport County RI" or check your extension office and local parks department. Facebook groups like "Newport County Gardeners" or "Rhode Island 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 Lettuce (harvest ends Aug 13) 61 days until frost
After Watermelon (harvest ends Sep 10) 33 days until frost
After Green Beans (harvest ends Aug 20) 54 days until frost
After Cabbage (harvest ends Aug 27) 47 days until frost
After Peas (harvest ends Aug 20) 54 days until frost
After Okra (harvest ends Sep 3) 40 days until frost

Sunlight & Day Length

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

Longest Day

15 hours

Summer solstice daylight

Shortest Day

9 hours

Winter solstice daylight

Peak Sun Hours

8.2 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 9h 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 9.3 hr 3.4 hr Short day
February 10.4 hr 4.5 hr Short day
March 11.7 hr 5.1 hr Short day
April 13.1 hr 6.5 hr Neutral
May 14.3 hr 7.5 hr Long day
June 15 hr 8.2 hr Long day
July 14.7 hr 8.1 hr Long day
August 13.7 hr 7.8 hr Neutral
September 12.3 hr 6.5 hr Neutral
October 10.9 hr 5.1 hr Short day
November 9.6 hr 3.8 hr Short day
December 9 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 Calendar

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

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May through Oct.

Best Month to Compost

May

Microbial activity peaks when soil is warm.

Active Composting

8 months

Nearly year-round composting.

60°F 70°F 20° 40° 60° 80° 100° 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 36°F 46°F ❄️ Dormant ~36 weeks
Feb 37°F 45°F ❄️ Dormant ~36 weeks
Mar 46°F 48°F 🐢 Slow ~24 weeks
Apr 55°F 57°F ♻️ Active ~14 weeks
May 68°F 64°F 🔥 Peak ~8 weeks
Jun 79°F 73°F 🔥 Peak ~8 weeks
Jul 84°F 80°F 🔥 Peak ~8 weeks
Aug 86°F 81°F 🔥 Peak ~8 weeks
Sep 79°F 78°F 🔥 Peak ~8 weeks
Oct 67°F 70°F 🔥 Peak ~8 weeks
Nov 54°F 60°F ♻️ Active ~14 weeks
Dec 43°F 51°F 🐢 Slow ~24 weeks

Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.

Pest & Disease Pressure in Newport County

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

Insect Pest Pressure

5.7 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

7.8 / 10

High fungal/bacterial risk. Space plants for airflow, water at soil level.

Seasonal Risk

Spring Moderate
Summer High
Fall Low
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Japanese beetles Moderate Jun, Jul, Aug
Squash vine borers High May, Jun, Jul
Stink bugs Moderate May, Jun, Jul, Aug, Sep
Whiteflies Low Jun, Jul, Aug, Sep
Spider mites Moderate Jul, Aug
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
  • Watch for powdery mildew, downy mildew, blight — common in your climate

Cover Crops for Newport County

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 2 Aug 18 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) May 4 Aug 11 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass May 10 Aug 4 Massive biomass, breaks compaction, suppresses nematodes
White clover Apr 2 Aug 11 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers May 28 Sep 22 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Austrian winter peas Aug 7 Apr 16 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Aug 9 Apr 16 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Aug 25 Apr 16 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 4 Apr 16 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 12 Apr 16 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 8 Apr 9 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 8 Apr 9 Erosion control, weed suppression, good biomass

Wind & Microclimate

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

Seasonal Wind Speed

Spring: 14 mph   Summer: 12 mph

Fall: 10 mph   Winter: 17 mph

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

Windbreak Benefit

7.1/10

Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.

Frost Pocket Risk

Low

Relatively flat terrain (215 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting Potential

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

Annual Collection

20,882 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, Jul, Aug

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

Months to Draw From Storage

Jan, Feb, Nov

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 41.9 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 20,882 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Jan, Feb, Nov)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Newport County

Soil Type

Silt Loam

Soil pH 4.8–6.7 · Well Drained drainage

Good candidate for raised beds to maximise drainage and extend the season.

Watering Needs

Drought stress: 3.5/10

Low-to-moderate drought stress. Plan to water 1–2 times per week during peak summer. (41.9 in. annual rainfall)

Season Tips

166-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 24-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.

Instant PDF download. No spam, unsubscribe any time.

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Recommended for Your Garden

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

📏
Digital pH Meter $10-20

Get instant, accurate soil pH readings to fine-tune your amendments.

🍂
Organic Compost $8-30

Boost soil fertility and structure with rich, well-aged organic compost.

🥬 Vegetables to Grow in Newport County

113 vegetables that grow well in Zone 7a with planting dates for Newport County.

Show all 113 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Acorn Squash Apr 2 May 7 May 14 Aug 6 – Sep 10 80–100
Amaranth Mar 12 May 7 May 14 Aug 13 – Oct 1 90–120
Artichoke May 14 Sep 17 – Nov 26 120–180
Arugula Mar 26 Apr 16 Apr 30 Jun 4 – Aug 6 30–50
Asparagus May 14 730–1095
Beets Apr 16 Jun 11 – Jul 9 50–70
Belgian Endive Mar 26 Apr 16 Apr 30 Aug 20 – Oct 15 110–150
Bitter Melon Mar 12 May 7 May 14 Jul 16 – Aug 27 60–90
Black Beans May 7 Aug 6 – Sep 24 90–120
Bok Choy Mar 26 Apr 16 Apr 30 Jun 11 – Jul 16 40–60
Broccoli Mar 26 Apr 16 Apr 30 Jul 2 – Aug 13 60–90
Broccoli Rabe Mar 26 Apr 16 Apr 30 Jun 11 – Jul 16 40–60
Brussels Sprouts Mar 26 Apr 16 Apr 30 Jul 30 – Sep 24 90–130
Butternut Squash Apr 2 May 7 May 14 Aug 13 – Sep 17 85–110
Cabbage Mar 26 Apr 16 Apr 30 Jul 2 – Aug 27 60–100
Calabash Mar 12 May 7 May 14 Aug 6 – Oct 1 80–120
Cardoon May 14 Sep 17 – Oct 29 120–150
Carrots Apr 16 Jun 18 – Jul 23 60–80
Cauliflower Mar 26 Apr 16 Apr 30 Jun 25 – Aug 27 55–100
Celeriac Mar 26 Apr 16 Apr 30 Aug 13 – Sep 17 100–120
Celery Mar 26 Apr 16 Apr 30 Jul 23 – Sep 17 80–120
Celtuce Mar 26 Apr 16 Apr 30 Jul 2 – Aug 13 60–90
Chard Mar 26 Apr 16 Apr 30 Jun 25 – Aug 13 50–60
Chayote Mar 12 May 7 May 14 Sep 17 – Nov 26 120–180
Chickpeas Mar 26 Apr 16 Apr 30 Jul 23 – Sep 3 80–110
Chicory Mar 26 Apr 16 Apr 30 Jul 2 – Aug 13 60–85
Chinese Cabbage Mar 26 Apr 16 Apr 30 Jun 25 – Jul 23 50–70
Christmas Lima Beans Mar 12 May 7 May 14 Aug 6 – Sep 10 80–100
Collard Greens Mar 26 Apr 16 Apr 30 Jun 25 – Aug 27 55–75
Corn May 7 Jul 9 – Sep 3 60–100
Cowpeas May 7 Jul 9 – Aug 20 60–90
Cress Mar 26 Apr 16 Apr 30 May 14 – Jun 4 14–21
Crookneck Squash Apr 2 May 7 May 14 Jul 2 – Jul 30 45–60
Crosne Apr 16 Sep 17 – Nov 19 150–200
Cucumber Apr 2 May 7 May 14 Jul 9 – Sep 3 50–70
Daikon Apr 16 Jun 11 – Jul 9 50–70
Delicata Squash Apr 2 May 7 May 14 Aug 6 – Sep 10 80–100
Edamame May 7 Jul 23 – Sep 3 75–100
Eggplant Feb 26 May 7 May 14 Jul 23 – Sep 24 65–85
Endive Mar 26 Apr 16 Apr 30 Jun 18 – Jul 23 45–65
Escarole Mar 26 Apr 16 Apr 30 Jun 25 – Jul 23 50–70
Fava Beans Mar 26 Apr 16 Apr 30 Jul 16 – Aug 27 75–100
Fennel Mar 12 May 7 May 14 Jul 16 – Aug 27 60–90
Garlic 90–240
Green Beans May 7 Jul 2 – Aug 27 50–65
Horseradish May 14 Sep 17 – Nov 26 120–180
Hot Peppers Feb 26 May 7 May 14 Jul 23 – Oct 29 70–120
Hubbard Squash Apr 2 May 7 May 14 Aug 27 – Oct 1 100–120
Jicama Mar 12 May 7 May 14 Sep 17 – Nov 26 120–180
Kabocha Apr 2 May 7 May 14 Aug 13 – Sep 10 85–100
Kai Lan Mar 26 Apr 16 Apr 30 Jun 18 – Jul 16 45–60
Kale Mar 26 Apr 16 Apr 30 Jun 25 – Aug 20 50–70
Kidney Beans May 7 Aug 6 – Sep 10 85–110
Kohlrabi Mar 26 Apr 16 Apr 30 Jun 18 – Jul 23 45–65
Komatsuna Mar 26 Apr 16 Apr 30 Jun 4 – Jul 9 35–50
Leeks Mar 26 Apr 16 Apr 30 Jul 30 – Oct 15 90–150
Lentils Mar 26 Apr 16 Apr 30 Jul 23 – Sep 3 80–110
Lettuce Mar 26 Apr 16 Apr 30 Jun 4 – Aug 13 30–60
Lima Beans May 7 Jul 9 – Aug 20 60–90
Loofah Mar 12 May 7 May 14 Aug 27 – Oct 29 100–150
Luffa Mar 12 May 7 May 14 Aug 13 – Oct 29 90–150
Mache Mar 26 Apr 16 Apr 30 Jun 11 – Jul 16 40–60
Malabar Spinach Mar 12 May 7 May 14 Jul 9 – Aug 6 55–70
Melon Apr 2 May 7 May 14 Jul 23 – Sep 10 70–100
Microgreens Mar 26 Apr 16 Apr 30 May 7 – Jun 4 7–21
Mitsuba Mar 26 Apr 16 Apr 23 Jun 18 – Aug 13 50–70
Mizuna Mar 26 Apr 16 Apr 30 Jun 4 – Jul 2 30–45
Mustard Greens Mar 26 Apr 16 Apr 30 Jun 4 – Aug 6 30–50
Napa Cabbage Mar 26 Apr 16 Apr 30 Jun 25 – Jul 30 55–75
New Zealand Spinach Mar 12 May 7 May 14 Jul 9 – Aug 6 55–70
Okra Mar 12 May 7 May 14 Jul 9 – Sep 3 50–65
Onion Mar 26 Apr 16 Apr 30 Jul 30 – Sep 17 90–120
Pac Choi Mar 26 Apr 16 Apr 30 Jun 11 – Jul 9 40–55
Parsnip Apr 16 Jul 30 – Sep 10 100–130
Patty Pan Squash Apr 2 May 7 May 14 Jul 2 – Jul 30 45–60
Peas Mar 26 Apr 16 Apr 30 Jun 25 – Aug 20 55–70
Peppers Feb 26 May 7 May 14 Jul 16 – Sep 24 60–90
Pole Beans Mar 12 May 7 May 14 Jul 9 – Sep 3 55–70
Potatoes Mar 12 May 7 May 14 Jul 23 – Oct 1 70–120
Pumpkin Apr 2 May 7 May 14 Aug 13 – Oct 1 85–120
Purslane Mar 26 Apr 16 Apr 30 Jun 11 – Jul 16 40–60
Radicchio Mar 26 Apr 16 Apr 30 Jul 2 – Aug 6 60–80
Radish Apr 16 May 14 – Jun 4 22–35
Rhubarb May 21 365–730
Romanesco Mar 26 Apr 16 Apr 30 Jul 16 – Aug 27 75–100
Rutabaga Apr 16 Jul 9 – Aug 13 80–100
Salsify Apr 16 Jul 30 – Sep 10 100–130
Savoy Cabbage Mar 26 Apr 16 Apr 30 Jul 9 – Sep 3 70–110
Scallions Mar 26 Apr 16 Apr 30 Jun 25 – Jul 23 50–70
Scarlet Runner Beans Mar 12 May 7 May 14 Jul 16 – Aug 20 60–80
Shallot Mar 26 Apr 16 Apr 30 Jul 30 – Sep 17 90–120
Shiso Mar 12 May 7 May 14 Jul 9 – Sep 3 50–70
Snap Peas Mar 12 May 7 May 14 Jul 9 – Sep 3 55–70
Snow Peas Mar 26 Apr 16 Apr 30 Jun 25 – Aug 20 50–65
Soybeans May 7 Jul 30 – Sep 24 80–120
Spaghetti Squash Apr 2 May 7 May 14 Aug 13 – Sep 10 85–100
Spinach Mar 26 Apr 16 Apr 30 Jun 4 – Aug 6 35–50
Squash (Summer) Apr 2 May 7 May 14 Jul 2 – Sep 3 45–65
Squash (Winter) Apr 2 May 7 May 14 Aug 6 – Oct 1 80–120
Sunchoke May 14 Sep 3 – Oct 29 110–150
Sunflower Mar 12 May 7 May 14 Jul 23 – Sep 10 70–100
Sweet Corn May 7 Jul 9 – Aug 20 60–90
Sweet Potatoes Mar 12 May 7 May 14 Aug 13 – Oct 1 90–120
Tatsoi Mar 26 Apr 16 Apr 30 Jun 4 – Jul 9 35–50
Tomatillo Mar 12 May 7 May 14 Jul 16 – Sep 24 60–85
Tomatoes Mar 12 May 7 May 14 Jul 16 – Sep 24 60–85
Turnip Apr 16 May 28 – Jul 2 40–60
Watercress Mar 26 Apr 16 Apr 30 Jun 11 – Jul 16 40–60
Watermelon Apr 2 May 7 May 14 Jul 23 – Sep 10 70–100
Wax Beans May 7 Jul 2 – Aug 27 50–65
Winter Melon Mar 12 May 7 May 14 Aug 13 – Oct 1 90–120
Yard Long Beans Mar 12 May 7 May 14 Jul 9 – Aug 20 55–80
Zucchini Apr 2 May 7 May 14 Jul 2 – Aug 27 45–60

🍓 Fruits to Grow in Newport County

31 fruits that grow well in Zone 7a with planting dates for Newport County.

Show all 31 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Alpine Strawberries May 21 Aug 20 – Dec 3 90–180
Aronia May 21 730–1095
Blackberries May 21 365–730
Blueberries May 21 730–1095
Boysenberries May 21 365–730
Cantaloupe May 21 Jul 30 – Sep 3 70–90
Che Fruit May 21 1095–1825
Cranberries May 21 730–1095
Currants May 21 730–1095
Elderberries May 21 730–1095
Figs May 21 730–1825
Goji Berries May 21 730–1095
Gooseberries May 21 730–1095
Grapes May 21 730–1095
Ground Cherry May 21 Jul 30 – Sep 24 65–80
Hardy Kiwi May 21 1095–1825
Haskaps May 21 730–1095
Honeydew May 21 Aug 13 – Sep 24 80–110
Jostaberry May 21 730–1095
Kiwi May 21 1095–1825
Lingonberries May 21 730–1095
Loquat May 21 730–1825
Medlar May 21 1095–1825
Mulberries May 21 730–1825
Pawpaw May 21 1095–2555
Persimmon May 21 1095–2555
Pomegranate May 21 730–1095
Quince May 21 1095–1825
Raspberries May 21 365–730
Serviceberries May 21 730–1095
Strawberries May 21 Aug 20 – Dec 31 90–365

🌿 Herbs to Grow in Newport County

39 herbs that grow well in Zone 7a with planting dates for Newport County.

Show all 39 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Angelica Mar 26 Apr 16 Apr 23 365–730
Anise Mar 26 Apr 16 Apr 23 Jul 23 – Oct 8 90–120
Basil Mar 12 May 7 May 14 Jul 9 – Sep 10 50–75
Bee Balm May 7 Aug 6 – Oct 22 90–120
Borage Mar 26 Apr 16 Apr 23 Jun 18 – Aug 6 50–60
Caraway Mar 26 Apr 16 Apr 23 365–450
Catnip May 7 Jul 9 – Sep 10 60–80
Chamomile Mar 26 Apr 16 Apr 23 Jun 25 – Sep 3 60–90
Chervil Mar 26 Apr 16 Apr 23 Jun 4 – Aug 6 40–60
Chives May 7 Jul 9 – Sep 17 60–90
Cilantro Mar 26 Apr 16 Apr 23 Jun 4 – Aug 6 40–60
Comfrey May 7 Jul 9 – Sep 17 60–90
Cumin Mar 26 Apr 16 Apr 23 Aug 6 – Oct 8 100–120
Dill Mar 26 Apr 16 Apr 23 Jun 4 – Aug 6 40–60
Echinacea May 7 Sep 10 – Dec 17 120–180
Epazote Mar 12 May 7 May 14 Jul 2 – Aug 27 45–60
Fennel (herb) Mar 26 Apr 16 Apr 23 Jun 25 – Sep 3 60–90
Feverfew May 7 Aug 6 – Oct 22 90–120
Garlic Chives May 7 Jul 9 – Sep 17 60–90
Horehound May 7 Jul 23 – Sep 17 75–90
Hyssop May 7 Jul 16 – Sep 17 70–90
Lavender May 7 Aug 6 – Dec 17 90–200
Lemon Balm May 7 Jul 9 – Aug 27 60–70
Lemon Thyme May 7 Jul 16 – Sep 17 70–90
Lovage May 7 Jul 16 – Sep 17 70–90
Marjoram May 7 Jul 9 – Sep 17 60–90
Mint May 7 Jul 9 – Sep 17 60–90
Oregano May 7 Jul 9 – Sep 17 60–90
Parsley Mar 26 Apr 16 Apr 23 Jun 25 – Aug 27 60–80
Rosemary May 7 Jul 30 – Dec 17 80–180
Rue May 7 Jul 16 – Sep 17 70–90
Sage May 7 Jul 23 – Sep 17 75–90
Savory May 7 Jul 2 – Aug 27 50–70
Sorrel Mar 26 Apr 16 Apr 23 Jun 4 – Aug 6 40–60
Tarragon May 7 Jul 9 – Sep 17 60–90
Thai Basil Mar 12 May 7 May 14 Jul 9 – Sep 10 50–75
Thyme May 7 Jul 16 – Sep 17 70–90
Valerian May 7 Sep 10 – Dec 17 120–180
Yarrow May 7 Aug 6 – Oct 22 90–120
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Monthly Planting Guide for Newport County

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Newport County, RI?

Newport County is in USDA Hardiness Zone 7a. 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 Newport County, RI?

Based on 31 years of NOAA weather station data, the median last spring frost in Newport County falls around April 30. In 8 out of 10 years, last frost lands between April 11 and May 15 — a 34-day window of variability. Use May 15 as your conservative safe-to-plant date for frost-sensitive crops.

When is the first fall frost in Newport County, RI?

The median first fall frost in Newport County arrives around October 13. In cold years it can arrive as early as October 4; in mild years as late as October 31. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

How long is the growing season in Newport County?

Newport County has a frost-free growing season of approximately 166 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 6.39 days per decade.

What is the soil like in Newport County for gardening?

Newport County has predominantly Silt Loam soil with a pH range of 4.8–6.7 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.

What is grown commercially in Newport County?

Newport County has commercial agriculture that includes Dairy, Hay, Corn. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.

Is Newport County a good location for home gardening?

Newport County scores 61/100 (Good) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA GHCN-D daily station data (1994–2024) from 3 weather stations in or near Newport County (31 years of records). Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.