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Rangely, CO — Planting Guide for June

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Rio Blanco County, Colorado Zone 5b June

This month in Rio Blanco County, Colorado

If you only do a handful of things in the garden this June, make it these. They're sequenced around your zone's frost timing.

Avg. last frost June 2
Avg. first frost September 17
Soil temp (4") 48°F
Watering High
Pest pressure High
Daylight 14.8 hrs
  1. Harden off and plant basil, cucumber, and kale

    Pick a cloudy afternoon or evening to plant. Less transplant shock, and your seedlings will barely blink.

  2. Plant basil, cucumber, and green beans from seed, right in the garden

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

  3. Start anemones, cosmos, and dahlias under lights

    You're about 12 weeks out from your last frost — the perfect window to get these germinating indoors.

  4. Basket week: radish, cress, and microgreens

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

Get ahead of July
  • Starting indoors: basil, cucumber, and kale
  • First harvests: carrots, kale, and lettuce
  • Fall sowing: carrots, kale, and lettuce

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Rangely gardens in a dry climate (only 10" annual precipitation). Watering strategy matters more here than in most of the country — drip irrigation, deep mulching, and morning watering aren't optional, they're table stakes. The flip side: pest and disease pressure are far lower than in humid regions, and your soil temperatures climb fast in spring so you can plant heat-lovers earlier than the zone map suggests.

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.

Rangely averages 37.7 drought weeks per year (US Drought Monitor, 2000–present, trend stable). Treat irrigation as a year-round system, not a summer add-on.

🌡️ USDA Zone

5b (-15°F to -10°F min)

❄️ Avg. Last Frost

June 2

🍂 Avg. First Frost

September 17

📅 Growing Season

107 days

🌧️ Climate

Arid 9.7" annual

💨 Wind

Unknown 0.0 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

37.7 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Rangely, CO Short season
107 days
Last Spring Frost June 2
107 growing days
First Fall Frost September 17

Monthly Watering Calendar for Rangely

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

Why this matters: In humid climates, watering is usually about timing (morning, not evening, to prevent disease) more than volume. In dry climates, it's about depth (water deep, less often) more than frequency. Rangely's 10" annual tells you which side you're on.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 1.3" Feb 1.3" Mar 1.8" +2.3" Apr 2" +2.2" May 2.1" +3" Jun 1.3" +2.9" Jul 1.4" +2.4" Aug 1.9" +2.7" Sep 1.6" +2.7" Oct 1.6" Nov 1.5" Dec 1.3"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 1.3 in 6 days None
Feb 1.3 in 6 days None
Mar 1.8 in 9 days None
Apr 2 in 7 days 2.3 in High
May 2.1 in 7 days 2.2 in High
Jun 1.3 in 4 days 3 in High
Jul 1.4 in 6 days 2.9 in High
Aug 1.9 in 6 days 2.4 in High
Sep 1.6 in 6 days 2.7 in High
Oct 1.6 in 6 days 2.7 in High
Nov 1.5 in 5 days None
Dec 1.3 in 6 days None

Annual total: 19.1 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.

Rangely Soil Profile

Soil Type

Loam

Soil pH

6.4-7.7

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 Jun 2 → Sep 17 107 frost-free days Protect crops frost returns May Jun Jul Aug Sep Oct Nov Safe: Jun 20 Protect by: Oct 10

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 20 Oct 10 112 days
Cautious Jun 11 Sep 25 106 days
Average year Jun 2 Sep 17 107 days
Optimistic May 19 Sep 8 112 days
Aggressive (risky) May 3 Aug 30 119 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±47 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 shorter here (about 2.7 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.

Gardening Difficulty Score

28 Challenging
Frost Timing Risk
10.0/10
Drought Risk
7.5/10
Soil Difficulty
1.0/10
Altitude Challenge
10.0/10
Climate Shift
10.0/10
Rainfall Challenge
4.4/10

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

Zone 5b Frost Countdown
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Loading...
Last Frost: Jun 2 First Frost: Sep 17

Local Gardening Help in Rio Blanco 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 Rio Blanco County's climate and soil.

County Extension Office

Rio Blanco County Colorado State University Extension Extension Office

Phone: 970-491-6281

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 CO →

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 Rio Blanco County

Soil testing High-altitude gardening Water conservation Pest diagnostics
Finding local nurseries & garden centers in Rio Blanco County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Rio Blanco 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 Rio Blanco County CO" or "garden center Rio Blanco 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 Rio Blanco County CO" or check your extension office and local parks department. Facebook groups like "Rio Blanco County Gardeners" or "Colorado 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.

Sunlight & Day Length in Rangely

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

The practical takeaway: 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. Rangely's daylight ranges shape the planting calendar.

Longest Day

14.8 hours

Summer solstice daylight

Shortest Day

9.2 hours

Winter solstice daylight

Peak Sun Hours

11.1 hr/day peak (summer)

Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.

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 5.1 hr Short day
February 10.5 hr 5.9 hr Short day
March 11.7 hr 7.3 hr Short day
April 13.1 hr 7.6 hr Neutral
May 14.2 hr 9 hr Long day
June 14.8 hr 11.1 hr Long day
July 14.6 hr 10.1 hr Long day
August 13.6 hr 9 hr Neutral
September 12.2 hr 8.3 hr Neutral
October 10.9 hr 7 hr Short day
November 9.7 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 Rangely

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

For new gardeners: Soil temperature predicts plant emergence better than calendar dates. Rangely'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 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

2 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 5°F 9°F ❄️ Dormant ~36 weeks
Mar 12°F 16°F ❄️ Dormant ~36 weeks
Apr 24°F 23°F ❄️ Dormant ~36 weeks
May 37°F 34°F ❄️ Dormant ~36 weeks
Jun 48°F 42°F 🐢 Slow ~24 weeks
Jul 54°F 51°F ♻️ Active ~14 weeks
Aug 56°F 52°F ♻️ Active ~14 weeks
Sep 50°F 49°F 🐢 Slow ~24 weeks
Oct 36°F 40°F ❄️ Dormant ~36 weeks
Nov 24°F 28°F ❄️ Dormant ~36 weeks
Dec 11°F 16°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 Rangely

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

The practical takeaway: Pest score isn't pass/fail. It's a planning input. Higher scores mean: more compost (resilient plants), wider spacing (air circulation), resistant varieties (built-in defense), and inspection (catch issues at egg stage).

Insect Pest Pressure

4.4 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

1.7 / 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 Moderate Jun, Jul, Aug
Tomato hornworms Moderate 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 Rangely

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

What this means for you: Cover crops do four things at once: fix nitrogen (legumes), suppress weeds (any), prevent erosion, and add organic matter when chopped down. Rangely's seasonal pattern determines which species fit which gap.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Jun 4 Jul 16 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass Jun 9 Jul 23 Massive biomass, breaks compaction, suppresses nematodes
White clover May 7 Jul 23 ✓ 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 30 Sep 3 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 Jul 24 May 19 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Jul 27 May 19 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jun 22 May 12 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Aug 6 May 19 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jun 10 May 19 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jun 20 May 12 Erosion control, weed suppression, good biomass

Wind & Microclimate in Rangely

The practical takeaway: Pollinators avoid windy days. Rangely's 0.0 mph average wind isn't enough to stop bees and butterflies — but plant fruiting crops (tomatoes, peppers, squash) in protected microclimates and you'll see noticeably better fruit set.

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: 15 mph

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

Windbreak Benefit

7.2/10

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

Frost Pocket Risk

High

Hilly terrain with 2,871 ft of elevation range — cold air pools in low spots. Avoid planting frost-sensitive crops in valleys.

Rainwater Harvesting in Rangely

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

Why this matters: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Rangely's 10" annual rainfall determines whether the larger system is overkill or essential.

Annual Collection

9,519 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 1,750 gal tank.

Legal Status

Limited

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

Best Collection Months

Mar, Apr, May, Aug

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

Months to Draw From Storage

Feb, Jun, 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 19.1 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 9,519 gallons annually
  • Check CO 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 Rangely

105 vegetables matched to Zone 5b with planting dates calibrated for Rangely.

Show all 105 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 28 Jun 9 Jun 16 Sep 8 – Oct 13 80–100
Amaranth Apr 7 Jun 9 Jun 16 Sep 15 – Nov 3 90–120
Arugula Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Sep 8 30–50
Asparagus Jun 16 730–1095
Beets May 19 Jul 9 Jul 14 – Aug 11 50–70
Belgian Endive Apr 28 May 19 Jun 2 Jul 9 Sep 22 – Nov 17 110–150
Bitter Melon Apr 7 Jun 9 Jun 16 Aug 18 – Sep 29 60–90
Black Beans Jun 9 Sep 8 – Oct 27 90–120
Bok Choy Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 18 40–60
Broccoli Apr 28 May 19 Jun 2 Jul 9 Aug 4 – Sep 15 60–90
Broccoli Rabe Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 18 40–60
Brussels Sprouts Apr 28 May 19 Jun 2 Jul 9 Sep 1 – Oct 27 90–130
Butternut Squash Apr 28 Jun 9 Jun 16 Sep 15 – Oct 20 85–110
Cabbage Apr 28 May 19 Jun 2 Jul 9 Aug 4 – Sep 29 60–100
Calabash Apr 7 Jun 9 Jun 16 Sep 8 – Nov 3 80–120
Carrots May 19 Jul 9 Jul 21 – Aug 25 60–80
Cauliflower Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 29 55–100
Celeriac Apr 28 May 19 Jun 2 Jul 9 Sep 15 – Oct 20 100–120
Celery Apr 28 May 19 Jun 2 Jul 9 Aug 25 – Oct 20 80–120
Celtuce Apr 28 May 19 Jun 2 Jul 9 Aug 4 – Sep 15 60–90
Chard Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 15 50–60
Chickpeas Apr 28 May 19 Jun 2 Jul 9 Aug 25 – Oct 6 80–110
Chicory Apr 28 May 19 Jun 2 Jul 9 Aug 4 – Sep 15 60–85
Chinese Cabbage Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Aug 25 50–70
Christmas Lima Beans Apr 7 Jun 9 Jun 16 Sep 8 – Oct 13 80–100
Collard Greens Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 29 55–75
Corn Jun 9 Aug 11 – Oct 6 60–100
Cowpeas Jun 9 Aug 11 – Sep 22 60–90
Cress Apr 28 May 19 Jun 2 Jul 9 Jun 16 – Jul 7 14–21
Crookneck Squash Apr 28 Jun 9 Jun 16 Aug 4 – Sep 1 45–60
Crosne May 19 Jul 9 Oct 20 – Nov 3 150–200
Cucumber Apr 28 Jun 9 Jun 16 Aug 11 – Oct 6 50–70
Daikon May 19 Jul 9 Jul 14 – Aug 11 50–70
Delicata Squash Apr 28 Jun 9 Jun 16 Sep 8 – Oct 13 80–100
Edamame Jun 9 Aug 25 – Oct 6 75–100
Eggplant Mar 24 Jun 9 Jun 16 Aug 25 – Oct 27 65–85
Endive Apr 28 May 19 Jun 2 Jul 9 Jul 21 – Aug 25 45–65
Escarole Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Aug 25 50–70
Fava Beans Apr 28 May 19 Jun 2 Jul 9 Aug 18 – Sep 29 75–100
Fennel Apr 7 Jun 9 Jun 16 Aug 18 – Sep 29 60–90
Garlic Aug 6 Nov 5 – Jan 21 90–240
Green Beans Jun 9 Aug 4 – Sep 29 50–65
Horseradish Jun 16 Oct 20 – Dec 1 120–180
Hot Peppers Mar 24 Jun 9 Jun 16 Aug 25 – Dec 1 70–120
Hubbard Squash Apr 28 Jun 9 Jun 16 Sep 29 – Nov 3 100–120
Kabocha Apr 28 Jun 9 Jun 16 Sep 15 – Oct 13 85–100
Kai Lan Apr 28 May 19 Jun 2 Jul 9 Jul 21 – Aug 18 45–60
Kale Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 22 50–70
Kidney Beans Jun 9 Sep 8 – Oct 13 85–110
Kohlrabi Apr 28 May 19 Jun 2 Jul 9 Jul 21 – Aug 25 45–65
Komatsuna Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Aug 11 35–50
Leeks Apr 28 May 19 Jun 2 Jul 9 Sep 1 – Nov 17 90–150
Lentils Apr 28 May 19 Jun 2 Jul 9 Aug 25 – Oct 6 80–110
Lettuce Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Sep 15 30–60
Lima Beans Jun 9 Aug 11 – Sep 22 60–90
Mache Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 18 40–60
Melon Apr 28 Jun 9 Jun 16 Aug 25 – Oct 13 70–100
Microgreens Apr 28 May 19 Jun 2 Jul 9 Jun 9 – Jul 7 7–21
Mitsuba Apr 28 May 19 May 26 Jul 9 Jul 21 – Sep 15 50–70
Mizuna Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Aug 4 30–45
Mustard Greens Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Sep 8 30–50
Napa Cabbage Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 1 55–75
New Zealand Spinach Apr 7 Jun 9 Jun 16 Aug 11 – Sep 8 55–70
Okra Apr 7 Jun 9 Jun 16 Aug 11 – Oct 6 50–65
Onion Apr 28 May 19 Jun 2 Jul 9 Sep 1 – Oct 20 90–120
Pac Choi Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 11 40–55
Parsnip May 19 Jul 9 Sep 1 – Oct 13 100–130
Patty Pan Squash Apr 28 Jun 9 Jun 16 Aug 4 – Sep 1 45–60
Peas Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 22 55–70
Peppers Mar 24 Jun 9 Jun 16 Aug 18 – Oct 27 60–90
Pole Beans Apr 7 Jun 9 Jun 16 Aug 11 – Oct 6 55–70
Potatoes Apr 7 Jun 9 Jun 16 Aug 25 – Nov 3 70–120
Pumpkin Apr 28 Jun 9 Jun 16 Sep 15 – Nov 3 85–120
Purslane Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 18 40–60
Radicchio Apr 28 May 19 Jun 2 Jul 9 Aug 4 – Sep 8 60–80
Radish May 19 Jul 9 Jun 16 – Jul 7 22–35
Rhubarb Jun 23 365–730
Romanesco Apr 28 May 19 Jun 2 Jul 9 Aug 18 – Sep 29 75–100
Rutabaga May 19 Jul 9 Aug 11 – Sep 15 80–100
Salsify May 19 Jul 9 Sep 1 – Oct 13 100–130
Savoy Cabbage Apr 28 May 19 Jun 2 Jul 9 Aug 11 – Oct 6 70–110
Scallions Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Aug 25 50–70
Scarlet Runner Beans Apr 7 Jun 9 Jun 16 Aug 18 – Sep 22 60–80
Shallot Apr 28 May 19 Jun 2 Jul 9 Sep 1 – Oct 20 90–120
Shiso Apr 14 Jun 9 Jun 16 Aug 11 – Oct 6 50–70
Snap Peas Apr 7 Jun 9 Jun 16 Aug 11 – Oct 6 55–70
Snow Peas Apr 28 May 19 Jun 2 Jul 9 Jul 28 – Sep 22 50–65
Soybeans Jun 9 Sep 1 – Oct 27 80–120
Spaghetti Squash Apr 28 Jun 9 Jun 16 Sep 15 – Oct 13 85–100
Spinach Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Sep 8 35–50
Squash (Summer) Apr 28 Jun 9 Jun 16 Aug 4 – Oct 6 45–65
Squash (Winter) Apr 28 Jun 9 Jun 16 Sep 8 – Nov 3 80–120
Sunchoke Jun 16 Oct 6 – Dec 1 110–150
Sweet Corn Jun 9 Aug 11 – Sep 22 60–90
Sweet Potatoes Apr 7 Jun 9 Jun 16 Sep 15 – Nov 3 90–120
Tatsoi Apr 28 May 19 Jun 2 Jul 9 Jul 7 – Aug 11 35–50
Tomatillo Apr 7 Jun 9 Jun 16 Aug 18 – Oct 27 60–85
Tomatoes Apr 7 Jun 9 Jun 16 Aug 18 – Oct 27 60–85
Turnip May 19 Jul 9 Jun 30 – Aug 4 40–60
Watercress Apr 28 May 19 Jun 2 Jul 9 Jul 14 – Aug 18 40–60
Watermelon Apr 28 Jun 9 Jun 16 Aug 25 – Oct 13 70–100
Wax Beans Jun 9 Aug 4 – Sep 29 50–65
Winter Melon Apr 7 Jun 9 Jun 16 Sep 15 – Nov 3 90–120
Yard Long Beans Apr 7 Jun 9 Jun 16 Aug 11 – Sep 22 55–80
Zucchini Apr 28 Jun 9 Jun 16 Aug 4 – Sep 29 45–60

🍓 Fruits to Grow in Rangely

27 fruits matched to Zone 5b with planting dates calibrated for Rangely.

Show all 27 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Jun 23 Sep 22 – Dec 8 90–180
Aronia Jun 23 730–1095
Blackberries Jun 23 365–730
Blueberries Jun 23 730–1095
Boysenberries Jun 23 365–730
Cantaloupe Jun 23 Sep 1 – Oct 6 70–90
Che Fruit Jun 23 1095–1825
Cranberries Jun 23 730–1095
Currants Jun 23 730–1095
Elderberries Jun 23 730–1095
Goji Berries Jun 23 730–1095
Gooseberries Jun 23 730–1095
Grapes Jun 23 730–1095
Ground Cherry Jun 23 Sep 1 – Oct 27 65–80
Hardy Kiwi Jun 23 1095–1825
Haskaps Jun 23 730–1095
Honeydew Jun 23 Sep 15 – Oct 27 80–110
Jostaberry Jun 23 730–1095
Lingonberries Jun 23 730–1095
Medlar Jun 23 1095–1825
Mulberries Jun 23 730–1825
Pawpaw Jun 23 1095–2555
Persimmon Jun 23 1095–2555
Quince Jun 23 1095–1825
Raspberries Jun 23 365–730
Serviceberries Jun 23 730–1095
Strawberries Jun 23 Sep 22 – Dec 8 90–365

🌿 Herbs to Grow in Rangely

34 herbs matched to Zone 5b with planting dates calibrated for Rangely.

Show all 34 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Apr 28 May 19 May 26 Jul 9 365–730
Anise Apr 28 May 19 May 26 Jul 9 Aug 25 – Nov 10 90–120
Basil Apr 14 Jun 9 Jun 16 Aug 11 – Oct 13 50–75
Bee Balm Jun 9 Sep 8 – Nov 24 90–120
Borage Apr 28 May 19 May 26 Jul 9 Jul 21 – Sep 8 50–60
Caraway Apr 28 May 19 May 26 Jul 9 365–450
Catnip Jun 9 Aug 11 – Oct 13 60–80
Chamomile Apr 28 May 19 May 26 Jul 9 Jul 28 – Oct 6 60–90
Chervil Apr 28 May 19 May 26 Jul 9 Jul 7 – Sep 8 40–60
Chives Jun 9 Aug 11 – Oct 20 60–90
Cilantro Apr 28 May 19 May 26 Jul 9 Jul 7 – Sep 8 40–60
Comfrey Jun 9 Aug 11 – Oct 20 60–90
Cumin Apr 28 May 19 May 26 Jul 9 Sep 8 – Nov 10 100–120
Dill Apr 28 May 19 May 26 Jul 9 Jul 7 – Sep 8 40–60
Epazote Apr 14 Jun 9 Jun 16 Aug 4 – Sep 29 45–60
Fennel (herb) Apr 28 May 19 May 26 Jul 9 Jul 28 – Oct 6 60–90
Feverfew Jun 9 Sep 8 – Nov 24 90–120
Garlic Chives Jun 9 Aug 11 – Oct 20 60–90
Horehound Jun 9 Aug 25 – Oct 20 75–90
Hyssop Jun 9 Aug 18 – Oct 20 70–90
Lemon Balm Jun 9 Aug 11 – Sep 29 60–70
Lemon Thyme Jun 9 Aug 18 – Oct 20 70–90
Lovage Jun 9 Aug 18 – Oct 20 70–90
Mint Jun 9 Aug 11 – Oct 20 60–90
Oregano Jun 9 Aug 11 – Oct 20 60–90
Parsley Apr 28 May 19 May 26 Jul 9 Jul 28 – Sep 29 60–80
Rue Jun 9 Aug 18 – Oct 20 70–90
Sage Jun 9 Aug 25 – Oct 20 75–90
Savory Jun 9 Aug 4 – Sep 29 50–70
Sorrel Apr 28 May 19 May 26 Jul 9 Jul 7 – Sep 8 40–60
Tarragon Jun 9 Aug 11 – Oct 20 60–90
Thai Basil Apr 14 Jun 9 Jun 16 Aug 11 – Oct 13 50–75
Thyme Jun 9 Aug 18 – Oct 20 70–90
Valerian Jun 9 Oct 13 – Nov 24 120–180

🌸 Flowers to Grow in Rangely

51 flowers matched to Zone 5b with planting dates calibrated for Rangely.

Show all 51 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Apr 14 Jun 9 Jun 9 Aug 4 – Nov 3 60–75
Alliums Aug 6 Sep 10 – Oct 1 28–42
Anemones May 5 Jun 2 Jul 7 – Aug 4 90–120
Astilbe Mar 31 Jun 16 Sep 1 – Nov 10 70–100
Bachelor's Button Apr 21 May 12 Jun 2 Aug 4 – Oct 20 60–90
Begonias Mar 24 Jun 9 Aug 18 – Nov 10 70–90
Black-eyed Susan Mar 31 Jun 2 Jun 16 Sep 1 – Dec 8 60–80
Bleeding Hearts Mar 31 Jun 16 Aug 11 – Sep 22 60–90
Calendula Apr 21 May 12 Jun 2 Jul 21 – Oct 20 50–70
Celosia Apr 28 Jun 9 Jun 9 Aug 11 – Nov 17 60–90
Columbine Mar 31 Jun 16 Jun 16 Aug 11 – Sep 22 70–100
Coreopsis Mar 31 Jun 9 Jun 16 Aug 25 – Dec 8 60–80
Cosmos May 5 Jun 2 Jun 2 Aug 11 – Nov 10 60–90
Crocus Aug 6 Jun 18 – Jul 9 10–20
Daffodils Aug 6 Jun 25 – Jul 16 20–40
Dahlias May 5 Jun 9 Jun 9 Sep 1 – Dec 1 70–120
Daylily Mar 31 Jun 16 Sep 8 – Dec 8 60–90
Dianthus Mar 31 May 5 May 19 Jul 7 – Sep 29 60–80
Echinacea (Purple Coneflower) Mar 31 Jun 16 Jun 16 Sep 8 – Dec 8 70–90
Foxglove Mar 31 Jun 16 Jun 16 Aug 11 – Sep 22 80–120
Gaillardia (Blanket Flower) Apr 7 Jun 9 Jun 9 Aug 18 – Dec 8 70–100
Geraniums Mar 24 Jun 9 Aug 18 – Nov 10 70–100
Gladiolus Jun 9 Jun 9 Sep 1 – Dec 1 70–100
Hostas Mar 24 Jun 16 Sep 8 – Dec 8 60–90
Hyacinths Aug 6 Jul 16 – Aug 13 14–28
Hydrangeas Mar 24 Jun 16 Sep 1 – Nov 24 90–150
Impatiens Apr 7 Jun 9 Aug 18 – Nov 17 60–75
Irises Division Jun 16 Aug 11 – Sep 15 60–100
Larkspur May 5 Jul 14 – Sep 8 60–90
Lavender Mar 24 Jun 23 Sep 1 – Oct 20 90–120
Lilies Division Jun 16 Aug 25 – Nov 24 70–120
Lobelia Mar 24 May 26 Jul 21 – Oct 6 70–80
Lupine Mar 31 Jun 16 Jun 16 Aug 11 – Sep 22 75–100
Marigolds Apr 21 Jun 9 Jun 9 Aug 4 – Nov 3 50–70
Nasturtium May 5 Jun 9 Jun 9 Aug 4 – Nov 17 55–65
Pansy Mar 24 Jun 2 Jul 28 – Sep 29 70–90
Peonies Division Jun 16 Aug 25 – Oct 6 90–120
Petunia Apr 7 Jun 9 Aug 18 – Nov 17 70–90
Phlox Mar 31 Jun 16 Jun 16 Sep 1 – Nov 24 80–110
Portulaca Apr 28 Jun 9 Jun 9 Jul 28 – Nov 3 50–70
Roses Mar 24 Jun 16 Sep 1 – Dec 8 90–180
Salvia Mar 31 Jun 9 Aug 18 – Nov 17 70–90
Sedum (Stonecrop) Mar 31 Jun 16 Oct 13 – Dec 22 60–90
Snapdragon Mar 24 May 19 Jun 2 Aug 11 – Oct 20 70–100
Sunflower May 12 Jun 9 Jun 9 Sep 1 – Nov 17 70–100
Sweet Alyssum Apr 14 May 19 Jun 2 Jul 14 – Sep 22 45–60
Sweet Pea Apr 21 Apr 28 Jun 2 Aug 18 – Oct 20 65–85
Tulips Aug 6 Jul 9 – Jul 30 15–30
Vinca (Annual) Mar 17 Jun 9 Aug 18 – Nov 10 70–90
Yarrow Mar 31 Jun 2 Jun 16 Aug 25 – Dec 8 60–90
Zinnia May 5 Jun 9 Jun 9 Aug 18 – Nov 17 60–70

Monthly Planting Guide for Rangely

ZIP Codes in Rangely

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 Rio Blanco County.

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Your Rio Blanco County Garden Planner — Free

A 22-page printable planner built for Rio Blanco County (Zone 5b). 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 Rangely), 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.