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Second Mesa, AZ — Planting Guide for July

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Navajo County, Arizona Zone 7a July

Your July planting checklist for Navajo County, Arizona

Your Navajo County, Arizona garden is entering a new phase. Here's what's on the schedule for July and why each task matters now.

Avg. last frost May 2
Avg. first frost October 16
Soil temp (4") 64°F
Watering High
Pest pressure High
Daylight 14.2 hrs
  1. Start peppers, astilbe, and begonias indoors

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

  2. Basket week: basil, carrots, and cucumber

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

Before August arrives, get these ready
  • First harvests: basil, cucumber, and green beans
  • Fall sowing: carrots, kale, and lettuce

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Second Mesa has a classic four-season growing climate (Zone 7a). The last spring frost typically lands around May 2 and the first fall frost arrives around October 16 — a 167-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.

Native soil is Sandy Loam — warms fast and drains free, but nutrients and water wash through. Plan on heavy organic-matter additions and either drip irrigation or frequent shallow waterings to keep crops happy.

Second Mesa averages 44.2 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

7a (0°F to 5°F min)

❄️ Avg. Last Frost

May 2

🍂 Avg. First Frost

October 16

📅 Growing Season

167 days

🌧️ Climate

Unknown 0.0" annual

💨 Wind

Unknown 0.0 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

44.2 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Second Mesa, AZ Moderate season
167 days
Last Spring Frost May 2
167 growing days
First Fall Frost October 16

Monthly Watering Calendar for Second Mesa

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

Why it matters: Over-watering kills more plants than under-watering. Second Mesa's 0" annual rainfall changes the gardening playbook — humid-region gardeners often water by the calendar when they should water by the soil moisture.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 1.3" Feb 1" +3.4" Mar 0.9" +3.7" Apr 0.6" +4" May 0.3" +3.7" Jun 0.6" +1.9" Jul 2.4" +0.8" Aug 3.5" +2.3" Sep 2" +3" Oct 1.3" Nov 0.8" Dec 1.1"
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 2 days None
Feb 1 in 2 days None
Mar 0.9 in 2 days 3.4 in Critical
Apr 0.6 in 0 days 3.7 in Critical
May 0.3 in 0 days 4 in Critical
Jun 0.6 in 2 days 3.7 in Critical
Jul 2.4 in 7 days 1.9 in High
Aug 3.5 in 9 days 0.8 in Moderate
Sep 2 in 4 days 2.3 in High
Oct 1.3 in 3 days 3 in High
Nov 0.8 in 2 days None
Dec 1.1 in 2 days None

Annual total: 15.8 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.

Second Mesa Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.3

Drainage

Well Drained

Frost Risk Probability

Based on 31 years of NOAA weather station data from 2 stations

Too early frost risk Safe to Plant May 2 → Oct 16 167 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: May 18 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 18 Oct 31 166 days
Cautious May 9 Oct 24 168 days
Average year May 2 Oct 16 167 days
Optimistic Apr 25 Oct 10 168 days
Aggressive (risky) Apr 19 Oct 4 168 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±29 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?

Slightly — seasons are trending a bit longer (0.9 days/decade). Historical frost dates are still reliable for planning.

Gardening Difficulty Score

32 Challenging
Frost Timing Risk
10.0/10
Drought Risk
9.5/10
Soil Difficulty
3.0/10
Altitude Challenge
9.1/10
Climate Shift
3.4/10
Rainfall Challenge
5.7/10

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

Zone 7a Frost Countdown
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Loading...
Last Frost: May 2 First Frost: Oct 16

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

County Extension Office

Navajo County University of Arizona Cooperative Extension Extension Office

Phone: 520-621-7205

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 AZ →

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 Navajo County

Soil testing Desert gardening Water conservation Pest management
Finding local nurseries & garden centers in Navajo County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Navajo 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 Navajo County AZ" or "garden center Navajo 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 Navajo County AZ" or check your extension office and local parks department. Facebook groups like "Navajo County Gardeners" or "Arizona 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 Cantaloupe (harvest ends Sep 5) 41 days until frost
After Melon (harvest ends Sep 12) 34 days until frost
After Carrots (harvest ends Aug 8) 69 days until frost
After Green Beans (harvest ends Aug 22) 55 days until frost
After Chard (harvest ends Aug 15) 62 days until frost
After Broccoli (harvest ends Aug 15) 62 days until frost

Sunlight & Day Length in Second Mesa

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

What this means for you: Day length is the trigger that tells lettuce, spinach, and cilantro to bolt. In Second Mesa, knowing when that day-length threshold arrives helps you plant a final round in time to harvest before it bolts.

Longest Day

14.4 hours

Summer solstice daylight

Shortest Day

9.6 hours

Winter solstice daylight

Peak Sun Hours

13.1 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 5h 8h 11h 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: Day-neutral onion varieties like Candy, Cabernet, and Sierra Blanca perform best in your day-length range.

View detailed monthly data
MonthDaylight HoursPeak Sun HoursDay Length
January 9.9 hr 7.5 hr Short day
February 10.7 hr 7.9 hr Short day
March 11.7 hr 9.4 hr Short day
April 12.9 hr 10.3 hr Neutral
May 13.9 hr 11.8 hr Neutral
June 14.4 hr 13.1 hr Long day
July 14.2 hr 10.6 hr Long day
August 13.3 hr 9.6 hr Neutral
September 12.2 hr 9.2 hr Neutral
October 11.1 hr 8.6 hr Short day
November 10.1 hr 7.7 hr Short day
December 9.6 hr 6.9 hr Short day

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

Soil Temperature & Composting in Second Mesa

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

What this means for you: Compost piles need 130-160°F internal temp to actively break down. Below 50°F ambient, microbial activity slows dramatically. Second Mesa's soil temperature curve also tells you when your compost is working and when it's napping.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jul through Aug.

Best Month to Compost

Aug

Microbial activity peaks when soil is warm.

Active Composting

4 months

Short season — insulate pile or use indoor vermicomposting.

60°F 70°F 20° 40° 60° 80° 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 18°F 23°F ❄️ Dormant ~36 weeks
Feb 18°F 22°F ❄️ Dormant ~36 weeks
Mar 25°F 28°F ❄️ Dormant ~36 weeks
Apr 36°F 36°F ❄️ Dormant ~36 weeks
May 47°F 44°F 🐢 Slow ~24 weeks
Jun 59°F 54°F ♻️ Active ~14 weeks
Jul 64°F 61°F ♻️ Active ~14 weeks
Aug 68°F 64°F 🔥 Peak ~8 weeks
Sep 59°F 58°F ♻️ Active ~14 weeks
Oct 46°F 52°F 🐢 Slow ~24 weeks
Nov 32°F 41°F ❄️ Dormant ~36 weeks
Dec 23°F 30°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 Second Mesa

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

For new gardeners: 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

6.3 / 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 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Apr, May, Jun, Jul, Aug, Sep
Japanese beetles Moderate Jun, Jul, Aug
Squash vine borers Moderate Jun, Jul
Tomato hornworms Moderate Jun, Jul, Aug
Cucumber beetles Low May, Jun, Jul
Stink bugs Low Jun, Jul, Aug, Sep
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 Second Mesa

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

Why this matters: In Second Mesa, cover crops also crowd out weeds. The denser the cover, the less weed pressure next season. Pays for itself in saved weeding time.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 8 Aug 14 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass May 12 Aug 7 Massive biomass, breaks compaction, suppresses nematodes
White clover Apr 1 Aug 14 ✓ 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 22 Sep 25 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 5 Apr 18 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Aug 12 Apr 18 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 7 Apr 11 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 24 Apr 11 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 15 Apr 18 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 13 Apr 18 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 25 Apr 18 Erosion control, weed suppression, good biomass

Wind & Microclimate in Second Mesa

Quick context: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Second Mesa averages 0.0 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: 11 mph   Winter: 11 mph

Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.

Windbreak Benefit

7/10

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 1,066 ft of elevation range — cold air pools in low spots. Avoid planting frost-sensitive crops in valleys.

Rainwater Harvesting in Second Mesa

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

For new gardeners: Rainwater is unchlorinated, unfluoridated, and at ambient temperature — plants actually prefer it. Second Mesa's 0" annual rainfall means even a small 50-gallon barrel catches enough for a few weeks of garden watering between storms.

Annual Collection

7,874 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

Unrestricted

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

Best Collection Months

Jan, Jul, Aug, Sep

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

Months to Draw From Storage

Mar, Apr, May, Jun, 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 15.8 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 7,874 gallons annually
  • Rainwater harvesting is fully legal in your state
  • 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 Second Mesa

112 vegetables matched to Zone 7a with planting dates calibrated for Second Mesa.

Show all 112 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 4 May 9 May 16 Aug 8 – Sep 12 80–100
Amaranth Mar 14 May 9 May 16 Aug 15 – Oct 3 90–120
Artichoke May 16 Sep 19 – Nov 28 120–180
Arugula Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Aug 8 30–50
Asparagus May 16 730–1095
Beets Apr 18 Aug 7 Jun 13 – Jul 11 50–70
Belgian Endive Mar 28 Apr 18 May 2 Aug 7 Aug 22 – Oct 17 110–150
Bitter Melon Mar 14 May 9 May 16 Jul 18 – Aug 29 60–90
Black Beans May 9 Aug 8 – Sep 26 90–120
Bok Choy Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 18 40–60
Broccoli Mar 28 Apr 18 May 2 Aug 7 Jul 4 – Aug 15 60–90
Broccoli Rabe Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 18 40–60
Brussels Sprouts Mar 28 Apr 18 May 2 Aug 7 Aug 1 – Sep 26 90–130
Butternut Squash Apr 4 May 9 May 16 Aug 15 – Sep 19 85–110
Cabbage Mar 28 Apr 18 May 2 Aug 7 Jul 4 – Aug 29 60–100
Calabash Mar 14 May 9 May 16 Aug 8 – Oct 3 80–120
Cardoon May 16 Sep 19 – Oct 31 120–150
Carrots Apr 18 Aug 7 Jun 20 – Jul 25 60–80
Cauliflower Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 29 55–100
Celeriac Mar 28 Apr 18 May 2 Aug 7 Aug 15 – Sep 19 100–120
Celery Mar 28 Apr 18 May 2 Aug 7 Jul 25 – Sep 19 80–120
Celtuce Mar 28 Apr 18 May 2 Aug 7 Jul 4 – Aug 15 60–90
Chard Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 15 50–60
Chayote Mar 14 May 9 May 16 Sep 19 – Nov 28 120–180
Chickpeas Mar 28 Apr 18 May 2 Aug 7 Jul 25 – Sep 5 80–110
Chicory Mar 28 Apr 18 May 2 Aug 7 Jul 4 – Aug 15 60–85
Chinese Cabbage Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Jul 25 50–70
Christmas Lima Beans Mar 14 May 9 May 16 Aug 8 – Sep 12 80–100
Collard Greens Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 29 55–75
Corn May 9 Jul 11 – Sep 5 60–100
Cowpeas May 9 Jul 11 – Aug 22 60–90
Cress Mar 28 Apr 18 May 2 Aug 7 May 16 – Jun 6 14–21
Crookneck Squash Apr 4 May 9 May 16 Jul 4 – Aug 1 45–60
Crosne Apr 18 Aug 7 Sep 19 – Nov 21 150–200
Cucumber Apr 4 May 9 May 16 Jul 11 – Sep 5 50–70
Daikon Apr 18 Aug 7 Jun 13 – Jul 11 50–70
Delicata Squash Apr 4 May 9 May 16 Aug 8 – Sep 12 80–100
Edamame May 9 Jul 25 – Sep 5 75–100
Eggplant Feb 28 May 9 May 16 Jul 25 – Sep 26 65–85
Endive Mar 28 Apr 18 May 2 Aug 7 Jun 20 – Jul 25 45–65
Escarole Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Jul 25 50–70
Fava Beans Mar 28 Apr 18 May 2 Aug 7 Jul 18 – Aug 29 75–100
Fennel Mar 14 May 9 May 16 Jul 18 – Aug 29 60–90
Garlic Sep 4 Dec 4 – Apr 16 90–240
Green Beans May 9 Jul 4 – Aug 29 50–65
Horseradish May 16 Sep 19 – Nov 28 120–180
Hot Peppers Feb 28 May 9 May 16 Jul 25 – Oct 31 70–120
Hubbard Squash Apr 4 May 9 May 16 Aug 29 – Oct 3 100–120
Jicama Mar 14 May 9 May 16 Sep 19 – Nov 28 120–180
Kabocha Apr 4 May 9 May 16 Aug 15 – Sep 12 85–100
Kai Lan Mar 28 Apr 18 May 2 Aug 7 Jun 20 – Jul 18 45–60
Kale Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 22 50–70
Kidney Beans May 9 Aug 8 – Sep 12 85–110
Kohlrabi Mar 28 Apr 18 May 2 Aug 7 Jun 20 – Jul 25 45–65
Komatsuna Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Jul 11 35–50
Leeks Mar 28 Apr 18 May 2 Aug 7 Aug 1 – Oct 17 90–150
Lentils Mar 28 Apr 18 May 2 Aug 7 Jul 25 – Sep 5 80–110
Lettuce Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Aug 15 30–60
Lima Beans May 9 Jul 11 – Aug 22 60–90
Loofah Mar 14 May 9 May 16 Aug 29 – Oct 31 100–150
Luffa Mar 14 May 9 May 16 Aug 15 – Oct 31 90–150
Mache Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 18 40–60
Malabar Spinach Mar 14 May 9 May 16 Jul 11 – Aug 8 55–70
Melon Apr 4 May 9 May 16 Jul 25 – Sep 12 70–100
Microgreens Mar 28 Apr 18 May 2 Aug 7 May 9 – Jun 6 7–21
Mitsuba Mar 28 Apr 18 Apr 25 Aug 7 Jun 20 – Aug 15 50–70
Mizuna Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Jul 4 30–45
Mustard Greens Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Aug 8 30–50
Napa Cabbage Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 1 55–75
New Zealand Spinach Mar 14 May 9 May 16 Jul 11 – Aug 8 55–70
Okra Mar 14 May 9 May 16 Jul 11 – Sep 5 50–65
Onion Mar 28 Apr 18 May 2 Aug 7 Aug 1 – Sep 19 90–120
Pac Choi Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 11 40–55
Parsnip Apr 18 Aug 7 Aug 1 – Sep 12 100–130
Patty Pan Squash Apr 4 May 9 May 16 Jul 4 – Aug 1 45–60
Peas Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 22 55–70
Peppers Feb 28 May 9 May 16 Jul 18 – Sep 26 60–90
Pole Beans Mar 14 May 9 May 16 Jul 11 – Sep 5 55–70
Potatoes Mar 14 May 9 May 16 Jul 25 – Oct 3 70–120
Pumpkin Apr 4 May 9 May 16 Aug 15 – Oct 3 85–120
Purslane Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 18 40–60
Radicchio Mar 28 Apr 18 May 2 Aug 7 Jul 4 – Aug 8 60–80
Radish Apr 18 Aug 7 May 16 – Jun 6 22–35
Rhubarb May 23 365–730
Romanesco Mar 28 Apr 18 May 2 Aug 7 Jul 18 – Aug 29 75–100
Rutabaga Apr 18 Aug 7 Jul 11 – Aug 15 80–100
Salsify Apr 18 Aug 7 Aug 1 – Sep 12 100–130
Savoy Cabbage Mar 28 Apr 18 May 2 Aug 7 Jul 11 – Sep 5 70–110
Scallions Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Jul 25 50–70
Scarlet Runner Beans Mar 14 May 9 May 16 Jul 18 – Aug 22 60–80
Shallot Mar 28 Apr 18 May 2 Aug 7 Aug 1 – Sep 19 90–120
Shiso Mar 14 May 9 May 16 Jul 11 – Sep 5 50–70
Snap Peas Mar 14 May 9 May 16 Jul 11 – Sep 5 55–70
Snow Peas Mar 28 Apr 18 May 2 Aug 7 Jun 27 – Aug 22 50–65
Soybeans May 9 Aug 1 – Sep 26 80–120
Spaghetti Squash Apr 4 May 9 May 16 Aug 15 – Sep 12 85–100
Spinach Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Aug 8 35–50
Squash (Summer) Apr 4 May 9 May 16 Jul 4 – Sep 5 45–65
Squash (Winter) Apr 4 May 9 May 16 Aug 8 – Oct 3 80–120
Sunchoke May 16 Sep 5 – Oct 31 110–150
Sweet Corn May 9 Jul 11 – Aug 22 60–90
Sweet Potatoes Mar 14 May 9 May 16 Aug 15 – Oct 3 90–120
Tatsoi Mar 28 Apr 18 May 2 Aug 7 Jun 6 – Jul 11 35–50
Tomatillo Mar 14 May 9 May 16 Jul 18 – Sep 26 60–85
Tomatoes Mar 14 May 9 May 16 Jul 18 – Sep 26 60–85
Turnip Apr 18 Aug 7 May 30 – Jul 4 40–60
Watercress Mar 28 Apr 18 May 2 Aug 7 Jun 13 – Jul 18 40–60
Watermelon Apr 4 May 9 May 16 Jul 25 – Sep 12 70–100
Wax Beans May 9 Jul 4 – Aug 29 50–65
Winter Melon Mar 14 May 9 May 16 Aug 15 – Oct 3 90–120
Yard Long Beans Mar 14 May 9 May 16 Jul 11 – Aug 22 55–80
Zucchini Apr 4 May 9 May 16 Jul 4 – Aug 29 45–60

🍓 Fruits to Grow in Second Mesa

31 fruits matched to Zone 7a with planting dates calibrated for Second Mesa.

Show all 31 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries May 23 Aug 22 – Dec 5 90–180
Aronia May 23 730–1095
Blackberries May 23 365–730
Blueberries May 23 730–1095
Boysenberries May 23 365–730
Cantaloupe May 23 Aug 1 – Sep 5 70–90
Che Fruit May 23 1095–1825
Cranberries May 23 730–1095
Currants May 23 730–1095
Elderberries May 23 730–1095
Figs May 23 730–1825
Goji Berries May 23 730–1095
Gooseberries May 23 730–1095
Grapes May 23 730–1095
Ground Cherry May 23 Aug 1 – Sep 26 65–80
Hardy Kiwi May 23 1095–1825
Haskaps May 23 730–1095
Honeydew May 23 Aug 15 – Sep 26 80–110
Jostaberry May 23 730–1095
Kiwi May 23 1095–1825
Lingonberries May 23 730–1095
Loquat May 23 730–1825
Medlar May 23 1095–1825
Mulberries May 23 730–1825
Pawpaw May 23 1095–2555
Persimmon May 23 1095–2555
Pomegranate May 23 730–1095
Quince May 23 1095–1825
Raspberries May 23 365–730
Serviceberries May 23 730–1095
Strawberries May 23 Aug 22 – Jan 2 90–365

🌿 Herbs to Grow in Second Mesa

36 herbs matched to Zone 7a with planting dates calibrated for Second Mesa.

Show all 36 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 28 Apr 18 Apr 25 Aug 7 365–730
Anise Mar 28 Apr 18 Apr 25 Aug 7 Jul 25 – Oct 10 90–120
Basil Mar 14 May 9 May 16 Jul 11 – Sep 12 50–75
Bee Balm May 9 Aug 8 – Oct 24 90–120
Borage Mar 28 Apr 18 Apr 25 Aug 7 Jun 20 – Aug 8 50–60
Caraway Mar 28 Apr 18 Apr 25 Aug 7 365–450
Catnip May 9 Jul 11 – Sep 12 60–80
Chamomile Mar 28 Apr 18 Apr 25 Aug 7 Jun 27 – Sep 5 60–90
Chervil Mar 28 Apr 18 Apr 25 Aug 7 Jun 6 – Aug 8 40–60
Chives May 9 Jul 11 – Sep 19 60–90
Cilantro Mar 28 Apr 18 Apr 25 Aug 7 Jun 6 – Aug 8 40–60
Comfrey May 9 Jul 11 – Sep 19 60–90
Cumin Mar 28 Apr 18 Apr 25 Aug 7 Aug 8 – Oct 10 100–120
Dill Mar 28 Apr 18 Apr 25 Aug 7 Jun 6 – Aug 8 40–60
Epazote Mar 14 May 9 May 16 Jul 4 – Aug 29 45–60
Fennel (herb) Mar 28 Apr 18 Apr 25 Aug 7 Jun 27 – Sep 5 60–90
Feverfew May 9 Aug 8 – Oct 24 90–120
Garlic Chives May 9 Jul 11 – Sep 19 60–90
Horehound May 9 Jul 25 – Sep 19 75–90
Hyssop May 9 Jul 18 – Sep 19 70–90
Lemon Balm May 9 Jul 11 – Aug 29 60–70
Lemon Thyme May 9 Jul 18 – Sep 19 70–90
Lovage May 9 Jul 18 – Sep 19 70–90
Marjoram May 9 Jul 11 – Sep 19 60–90
Mint May 9 Jul 11 – Sep 19 60–90
Oregano May 9 Jul 11 – Sep 19 60–90
Parsley Mar 28 Apr 18 Apr 25 Aug 7 Jun 27 – Aug 29 60–80
Rosemary May 9 Aug 1 – Dec 19 80–180
Rue May 9 Jul 18 – Sep 19 70–90
Sage May 9 Jul 25 – Sep 19 75–90
Savory May 9 Jul 4 – Aug 29 50–70
Sorrel Mar 28 Apr 18 Apr 25 Aug 7 Jun 6 – Aug 8 40–60
Tarragon May 9 Jul 11 – Sep 19 60–90
Thai Basil Mar 14 May 9 May 16 Jul 11 – Sep 12 50–75
Thyme May 9 Jul 18 – Sep 19 70–90
Valerian May 9 Sep 12 – Dec 19 120–180

🌸 Flowers to Grow in Second Mesa

53 flowers matched to Zone 7a with planting dates calibrated for Second Mesa.

Show all 53 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 21 May 2 May 2 Jun 27 – Oct 17 60–75
Alliums Sep 11 Oct 9 – Oct 30 28–42
Anemones Aug 21 Sep 4 – Oct 2 90–120
Astilbe Feb 28 May 9 Jul 18 – Sep 12 70–100
Bachelor's Button Mar 21 Mar 28 May 2 Aug 21 Jul 4 – Oct 3 60–90
Begonias Feb 21 May 2 Jul 11 – Oct 31 70–90
Black-eyed Susan Feb 28 May 2 May 9 Jul 18 – Nov 21 60–80
Bleeding Hearts Feb 28 May 9 Jun 27 – Aug 1 60–90
Calendula Mar 21 Mar 28 May 2 Aug 21 Jun 20 – Oct 3 50–70
California Poppy Apr 4 Aug 21 Jun 13 – Aug 22 60–90
Celosia Apr 4 May 2 May 2 Jul 4 – Oct 31 60–90
Columbine Mar 7 May 9 May 9 Jun 27 – Aug 1 70–100
Coreopsis Feb 28 May 2 May 9 Jul 11 – Nov 21 60–80
Cosmos Apr 4 May 2 May 2 Jul 11 – Oct 31 60–90
Crocus Sep 11 Aug 7 – Aug 28 10–20
Daffodils Sep 11 Aug 14 – Sep 4 20–40
Dahlias Apr 4 May 9 May 9 Jul 18 – Nov 21 70–120
Daylily Feb 28 May 9 Jul 18 – Nov 21 60–90
Dianthus Mar 7 Mar 28 Apr 11 May 30 – Aug 29 60–80
Echinacea (Purple Coneflower) Feb 28 May 9 May 9 Jul 25 – Nov 21 70–90
Foxglove Mar 7 May 9 May 9 Jun 27 – Aug 1 80–120
Gaillardia (Blanket Flower) Mar 14 May 9 May 9 Jul 18 – Dec 5 70–100
Geraniums Feb 21 May 2 Jul 11 – Oct 31 70–100
Gladiolus May 2 May 2 Jul 11 – Nov 14 70–100
Hostas Feb 21 May 9 Jul 18 – Nov 21 60–90
Hyacinths Sep 11 Sep 4 – Sep 25 14–28
Hydrangeas Feb 21 May 9 Jul 18 – Nov 7 90–150
Impatiens Mar 7 May 9 Jul 18 – Nov 7 60–75
Irises Division May 9 Jun 27 – Aug 1 60–100
Larkspur Apr 4 Aug 7 Jun 13 – Aug 22 60–90
Lavender Feb 28 May 16 Jul 25 – Oct 3 90–120
Lilies Division May 9 Jul 18 – Nov 7 70–120
Lobelia Feb 28 Apr 11 Jun 6 – Aug 29 70–80
Lupine Mar 7 May 9 May 9 Jun 27 – Aug 1 75–100
Marigolds Mar 21 May 2 May 2 Jun 27 – Oct 3 50–70
Nasturtium Apr 4 May 2 May 2 Jun 27 – Oct 31 55–65
Pansy Feb 21 May 2 Aug 7 Jun 27 – Sep 5 70–90
Peonies Division May 9 Jul 4 – Aug 8 90–120
Petunia Mar 7 May 9 Jul 18 – Nov 7 70–90
Phlox Feb 28 May 9 May 9 Jul 18 – Oct 10 80–110
Portulaca Apr 4 May 2 May 2 Jun 20 – Oct 17 50–70
Ranunculus Aug 21 Sep 18 – Oct 16 90–120
Roses Feb 21 May 9 Jul 18 – Nov 21 90–180
Salvia Mar 7 May 2 Jul 11 – Oct 31 70–90
Sedum (Stonecrop) Feb 28 May 9 Aug 29 – Nov 21 60–90
Snapdragon Feb 21 Apr 4 May 2 Aug 21 Jul 11 – Oct 3 70–100
Sunflower Apr 11 May 2 May 2 Jul 25 – Oct 31 70–100
Sweet Alyssum Mar 21 Apr 4 May 2 Sep 4 Jun 13 – Sep 5 45–60
Sweet Pea Mar 28 Aug 21 Jun 6 – Aug 29 65–85
Tulips Sep 11 Aug 28 – Sep 18 15–30
Vinca (Annual) Feb 21 May 2 Jul 11 – Oct 31 70–90
Yarrow Feb 28 May 2 May 9 Jul 11 – Nov 21 60–90
Zinnia Apr 4 May 2 May 2 Jul 11 – Oct 31 60–70

Monthly Planting Guide for Second Mesa

ZIP Codes in Second Mesa

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 Navajo County.

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Your Navajo County Garden Planner — Free

A 22-page printable planner built for Navajo County (Zone 7a). 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 Second Mesa), 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: July 2026.