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Waldron, WA — Planting Guide for June

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San Juan County, Washington Zone 9a June

Top priorities for San Juan County, Washington gardeners in June

Welcome to June in Zone 9a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 26
Avg. first frost November 3
Soil temp (4") 79°F
Watering High
Pest pressure High
Daylight 15.9 hrs
  1. Begin indoor sowing: begonias, geraniums, and pansy

    These need a head start before your last frost (March 26). Sow into cells now so you're ready to transplant in a few weeks.

  2. Start harvesting basil, carrots, and cucumber

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

Before July arrives, get these ready
  • First harvests: basil, cucumber, and green beans

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Waldron gardens in a dry climate (only 3" 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 Silt Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.

🌡️ USDA Zone

9a (20°F to 25°F min)

❄️ Avg. Last Frost

March 26

🍂 Avg. First Frost

November 3

📅 Growing Season

222 days

🌧️ Climate

Arid 3.3" annual

💨 Wind

Calm 5.3 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

0.0 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Waldron, WA Long season
222 days
Last Spring Frost March 26
222 growing days
First Fall Frost November 3

Monthly Watering Calendar for Waldron

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

For new gardeners: The 1-inch-per-week rule applies to most vegetable crops. Waldron averages 3" a year — divide by 52 and compare to that 1" target. Some months are above, some below; that's where the calendar earns its keep.

1"/wk 0" 1.7" 3.3" 5" 6.6" Jan 5.7" Feb 4.7" Mar 4.1" +1.7" Apr 2.6" +1.7" May 2.6" +2.8" Jun 1.5" +3.7" Jul 0.6" +3.5" Aug 0.8" +2.5" Sep 1.8" +0.9" Oct 3.4" Nov 6.4" Dec 6.6"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 5.7 in 17 days None
Feb 4.7 in 14 days Low
Mar 4.1 in 16 days 0.2 in Low
Apr 2.6 in 14 days 1.7 in High
May 2.6 in 9 days 1.7 in High
Jun 1.5 in 6 days 2.8 in High
Jul 0.6 in 2 days 3.7 in Critical
Aug 0.8 in 3 days 3.5 in Critical
Sep 1.8 in 4 days 2.5 in High
Oct 3.4 in 11 days 0.9 in Moderate
Nov 6.4 in 17 days Low
Dec 6.6 in 19 days None

Annual total: 40.8 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.

Waldron Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.4

Drainage

Well Drained

Frost Risk Probability

Based on 30 years of NOAA weather station data from 3 stations

Too early frost risk Safe to Plant Mar 26 → Nov 3 222 frost-free days Protect crops frost returns Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Apr 25 Protect by: Dec 1

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) Apr 25 Dec 1 220 days
Cautious Apr 6 Nov 12 220 days
Average year Mar 26 Nov 3 222 days
Optimistic Mar 19 Oct 29 224 days
Aggressive (risky) Mar 3 Oct 17 228 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±53 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 (0.6 days/decade). Historical frost dates are still reliable for planning.

Gardening Difficulty Score

74 Good
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
0.0/10
Altitude Challenge
0.0/10
Climate Shift
2.4/10
Rainfall Challenge
0.0/10

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

Zone 9a Frost Countdown
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Last Frost: Mar 26 First Frost: Nov 3

Local Gardening Help in San Juan 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 San Juan County's climate and soil.

County Extension Office

San Juan County Washington State University Extension Extension Office

Phone: 509-335-2811

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 WA →

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 San Juan County

Soil testing Pacific NW gardening Master Gardener hotline
Finding local nurseries & garden centers in San Juan County

Why Buy Local

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

After Sweet Potatoes (harvest ends Aug 20) 75 days until frost
After Cantaloupe (harvest ends Jul 23) 103 days until frost
After Squash (Summer) (harvest ends Jul 23) 103 days until frost
After Squash (Winter) (harvest ends Aug 20) 75 days until frost
Show 6 more succession options
After Zucchini (harvest ends Jul 16) 110 days until frost
After Watermelon (harvest ends Jul 30) 96 days until frost
After Kale (harvest ends Jul 16) 110 days until frost
After Snap Peas (harvest ends Jul 23) 103 days until frost
After Peas (harvest ends Jul 16) 110 days until frost
After Hot Peppers (harvest ends Sep 17) 47 days until frost

Sunlight & Day Length in Waldron

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

Why this matters: Onions are a great example of why day length matters. They "bulb up" only when daylight hits a specific number of hours — plant the wrong variety (short-day in the north, long-day in the south) and you'll get tiny bulbs no matter how well you grow them. Waldron's latitude determines which onion varieties succeed.

Longest Day

15.9 hours

Summer solstice daylight

Shortest Day

8.1 hours

Winter solstice daylight

Peak Sun Hours

10.3 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 0h 4h 9h 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 8.5 hr 2.1 hr Short day
February 9.9 hr 2.9 hr Short day
March 11.6 hr 4.1 hr Short day
April 13.4 hr 5.5 hr Neutral
May 15 hr 7.5 hr Long day
June 15.9 hr 8.9 hr Long day
July 15.5 hr 10.3 hr Long day
August 14.1 hr 9.8 hr Long day
September 12.3 hr 7.3 hr Neutral
October 10.5 hr 4 hr Short day
November 8.9 hr 2.2 hr Short day
December 8.1 hr 1.8 hr Short day

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

Soil Temperature & Composting in Waldron

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

Why this matters: Most root crops germinate well at 50-60°F. Most fruit-bearing crops want 65-75°F. Waldron's monthly soil curve maps these windows to actual months.

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

9 months

Nearly year-round composting.

60°F 70°F 30° 48° 65° 83° 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 42°F 50°F 🐢 Slow ~24 weeks
Feb 45°F 49°F 🐢 Slow ~24 weeks
Mar 51°F 54°F ♻️ Active ~14 weeks
Apr 58°F 61°F ♻️ Active ~14 weeks
May 71°F 68°F 🔥 Peak ~8 weeks
Jun 79°F 76°F 🔥 Peak ~8 weeks
Jul 86°F 81°F 🔥 Peak ~8 weeks
Aug 90°F 85°F 🔥 Peak ~8 weeks
Sep 84°F 81°F 🔥 Peak ~8 weeks
Oct 72°F 75°F 🔥 Peak ~8 weeks
Nov 59°F 65°F ♻️ Active ~14 weeks
Dec 48°F 56°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 Waldron

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

7 / 10

High — expect multiple pest generations. Preventative measures essential.

Disease Risk

7.4 / 10

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

Seasonal Risk

Spring High
Summer High
Fall High
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Squash vine borers Moderate May, Jun, Jul
Stink bugs High Apr, May, Jun, Jul, Aug, Sep, Oct
Whiteflies High May, Jun, Jul, Aug, Sep, Oct
Spider mites Moderate Jun, Jul, Aug, Sep
Fire ants Moderate Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Organic pest management tips
  • Install physical barriers: floating row covers, copper tape for slugs, mesh netting
  • Apply Bt (Bacillus thuringiensis) for caterpillar control — safe for beneficial insects
  • Use kaolin clay spray to deter a wide range of insects on fruiting crops
  • Release beneficial insects: ladybugs for aphids, parasitic wasps for caterpillars
  • Apply neem oil weekly during high-pressure months
  • Mulch heavily (3-4 inches) to reduce soil-borne disease splash

Cover Crops for Waldron

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

Why it matters: Bare soil is wasted soil — it loses nutrients to rain, dries out, compacts, and gets taken over by weeds. Cover crops (clovers, ryegrass, vetch, peas) are the "between seasons" trick that makes soil better every year. In Waldron, you can fit a cover crop into the gaps.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 1 Sep 8 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Mar 30 Sep 8 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Apr 1 Sep 8 Massive biomass, breaks compaction, suppresses nematodes
White clover Feb 28 Sep 1 ✓ 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 Apr 11 Oct 6 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 24 Mar 5 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Aug 31 Mar 5 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 14 Mar 12 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 17 Mar 5 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 29 Mar 12 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 26 Mar 12 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 27 Mar 12 Erosion control, weed suppression, good biomass

Wind & Microclimate in Waldron

What this means for you: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Waldron's 5.3 mph average means most days are gentle on plants, but consider how a 20+ mph spring gust would affect a flat of seedlings hardened off too quickly.

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

Seasonal Wind Speed

Spring: 11 mph   Summer: 9 mph

Fall: 9 mph   Winter: 13 mph

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

Windbreak Benefit

4.9/10

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

Frost Pocket Risk

Moderate

Some terrain variation (741 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Waldron

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

Why it matters: Rainwater is unchlorinated, unfluoridated, and at ambient temperature — plants actually prefer it. Waldron's 3" annual rainfall means even a small 50-gallon barrel catches enough for a few weeks of garden watering between storms.

Annual Collection

20,334 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 2,250 gal tank.

Legal Status

Unrestricted

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

Best Collection Months

Jan, Feb, Nov, Dec

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

Months to Draw From Storage

Jul, Aug

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 40.8 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 20,334 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Use a first-flush diverter to keep roof debris out of your collection

🥬 Vegetables to Grow in Waldron

114 vegetables matched to Zone 9a with planting dates calibrated for Waldron.

Show all 114 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Feb 26 Mar 26 Apr 2 Jun 25 – Jul 30 80–100
Amaranth Feb 12 Mar 26 Apr 2 Jul 2 – Aug 20 90–120
Artichoke Apr 9 Aug 13 – Oct 22 120–180
Arugula Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jul 2 30–50
Asparagus Apr 9 730–1095
Beets Mar 5 Sep 8 Apr 30 – May 28 50–70
Belgian Endive Feb 26 Mar 5 Mar 26 Sep 8 Jul 16 – Sep 10 110–150
Bitter Melon Feb 12 Mar 26 Apr 2 Jun 4 – Jul 16 60–90
Black Beans Apr 2 Jul 2 – Aug 20 90–120
Bok Choy Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 11 40–60
Broccoli Feb 26 Mar 5 Mar 26 Sep 8 May 28 – Jul 9 60–90
Broccoli Rabe Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 11 40–60
Brussels Sprouts Feb 26 Mar 5 Mar 26 Sep 8 Jun 25 – Aug 20 90–130
Butternut Squash Feb 26 Mar 26 Apr 2 Jul 2 – Aug 6 85–110
Cabbage Feb 26 Mar 5 Mar 26 Sep 8 May 28 – Jul 23 60–100
Calabash Feb 12 Mar 26 Apr 2 Jun 25 – Aug 20 80–120
Cardoon Apr 9 Aug 13 – Sep 24 120–150
Carrots Mar 5 Sep 8 May 7 – Jun 11 60–80
Cauliflower Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 23 55–100
Celeriac Feb 26 Mar 5 Mar 26 Sep 8 Jul 9 – Aug 13 100–120
Celery Feb 26 Mar 5 Mar 26 Sep 8 Jun 18 – Aug 13 80–120
Celtuce Feb 26 Mar 5 Mar 26 Sep 8 May 28 – Jul 9 60–90
Chard Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 9 50–60
Chayote Feb 12 Mar 26 Apr 2 Aug 6 – Oct 15 120–180
Chickpeas Feb 26 Mar 5 Mar 26 Sep 8 Jun 18 – Jul 30 80–110
Chicory Feb 26 Mar 5 Mar 26 Sep 8 May 28 – Jul 9 60–85
Chinese Cabbage Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jun 18 50–70
Christmas Lima Beans Feb 12 Mar 26 Apr 2 Jun 25 – Jul 30 80–100
Collard Greens Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 23 55–75
Corn Apr 2 Jun 4 – Jul 30 60–100
Cowpeas Apr 2 Jun 4 – Jul 16 60–90
Cress Feb 26 Mar 5 Mar 26 Sep 8 Apr 9 – Apr 30 14–21
Crookneck Squash Feb 26 Mar 26 Apr 2 May 21 – Jun 18 45–60
Crosne Mar 5 Sep 8 Aug 6 – Oct 8 150–200
Cucumber Feb 26 Mar 26 Apr 2 May 28 – Jul 23 50–70
Daikon Mar 5 Sep 8 Apr 30 – May 28 50–70
Delicata Squash Feb 26 Mar 26 Apr 2 Jun 25 – Jul 30 80–100
Edamame Apr 2 Jun 18 – Jul 30 75–100
Eggplant Feb 12 Mar 26 Apr 2 Jun 11 – Aug 13 65–85
Endive Feb 26 Mar 5 Mar 26 Sep 8 May 14 – Jun 18 45–65
Escarole Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jun 18 50–70
Fava Beans Feb 26 Mar 5 Mar 26 Sep 8 Jun 11 – Jul 23 75–100
Fennel Feb 12 Mar 26 Apr 2 Jun 4 – Jul 16 60–90
Garlic Sep 22 Dec 22 – Jun 8 90–240
Ginger Feb 12 Mar 26 Apr 2 Dec 3 – Jan 28 240–300
Green Beans Apr 2 May 28 – Jul 23 50–65
Horseradish Apr 9 Aug 13 – Oct 22 120–180
Hot Peppers Feb 12 Mar 26 Apr 2 Jun 11 – Sep 17 70–120
Hubbard Squash Feb 26 Mar 26 Apr 2 Jul 16 – Aug 20 100–120
Jicama Feb 12 Mar 26 Apr 2 Aug 6 – Oct 15 120–180
Kabocha Feb 26 Mar 26 Apr 2 Jul 2 – Jul 30 85–100
Kai Lan Feb 26 Mar 5 Mar 26 Sep 8 May 14 – Jun 11 45–60
Kale Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 16 50–70
Kidney Beans Apr 2 Jul 2 – Aug 6 85–110
Kohlrabi Feb 26 Mar 5 Mar 26 Sep 8 May 14 – Jun 18 45–65
Komatsuna Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jun 4 35–50
Leeks Feb 26 Mar 5 Mar 26 Sep 8 Jun 25 – Sep 10 90–150
Lentils Feb 26 Mar 5 Mar 26 Sep 8 Jun 18 – Jul 30 80–110
Lettuce Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jul 9 30–60
Lima Beans Apr 2 Jun 4 – Jul 16 60–90
Loofah Feb 12 Mar 26 Apr 2 Jul 16 – Sep 17 100–150
Luffa Feb 12 Mar 26 Apr 2 Jul 2 – Sep 17 90–150
Mache Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 11 40–60
Malabar Spinach Feb 12 Mar 26 Apr 2 May 28 – Jun 25 55–70
Melon Feb 26 Mar 26 Apr 2 Jun 11 – Jul 30 70–100
Microgreens Feb 26 Mar 5 Mar 26 Sep 8 Apr 2 – Apr 30 7–21
Mitsuba Feb 26 Mar 5 Mar 19 Sep 8 May 14 – Jul 9 50–70
Mizuna Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – May 28 30–45
Mustard Greens Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jul 2 30–50
Napa Cabbage Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jun 25 55–75
New Zealand Spinach Feb 12 Mar 26 Apr 2 May 28 – Jun 25 55–70
Okra Feb 12 Mar 26 Apr 2 May 28 – Jul 23 50–65
Onion Feb 26 Mar 5 Mar 26 Sep 8 Jun 25 – Aug 13 90–120
Pac Choi Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 4 40–55
Parsnip Mar 5 Sep 8 Jun 18 – Jul 30 100–130
Patty Pan Squash Feb 26 Mar 26 Apr 2 May 21 – Jun 18 45–60
Peas Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 16 55–70
Peppers Feb 12 Mar 26 Apr 2 Jun 4 – Aug 13 60–90
Pole Beans Feb 12 Mar 26 Apr 2 May 28 – Jul 23 55–70
Potatoes Feb 12 Mar 26 Apr 2 Jun 11 – Aug 20 70–120
Pumpkin Feb 26 Mar 26 Apr 2 Jul 2 – Aug 20 85–120
Purslane Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 11 40–60
Radicchio Feb 26 Mar 5 Mar 26 Sep 8 May 28 – Jul 2 60–80
Radish Mar 5 Sep 8 Apr 2 – Apr 23 22–35
Romanesco Feb 26 Mar 5 Mar 26 Sep 8 Jun 11 – Jul 23 75–100
Rutabaga Mar 5 Sep 8 May 28 – Jul 2 80–100
Salsify Mar 5 Sep 8 Jun 18 – Jul 30 100–130
Savoy Cabbage Feb 26 Mar 5 Mar 26 Sep 8 Jun 4 – Jul 30 70–110
Scallions Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jun 18 50–70
Scarlet Runner Beans Feb 12 Mar 26 Apr 2 Jun 4 – Jul 9 60–80
Shallot Feb 26 Mar 5 Mar 26 Sep 8 Jun 25 – Aug 13 90–120
Shiso Feb 12 Apr 2 Apr 2 May 28 – Jul 23 50–70
Snap Peas Feb 12 Mar 26 Apr 2 May 28 – Jul 23 55–70
Snow Peas Feb 26 Mar 5 Mar 26 Sep 8 May 21 – Jul 16 50–65
Soybeans Apr 2 Jun 25 – Aug 20 80–120
Spaghetti Squash Feb 26 Mar 26 Apr 2 Jul 2 – Jul 30 85–100
Spinach Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jul 2 35–50
Squash (Summer) Feb 26 Mar 26 Apr 2 May 21 – Jul 23 45–65
Squash (Winter) Feb 26 Mar 26 Apr 2 Jun 25 – Aug 20 80–120
Sunchoke Apr 9 Jul 30 – Sep 24 110–150
Sweet Corn Apr 2 Jun 4 – Jul 16 60–90
Sweet Potatoes Feb 12 Mar 26 Apr 2 Jul 2 – Aug 20 90–120
Tatsoi Feb 26 Mar 5 Mar 26 Sep 8 Apr 30 – Jun 4 35–50
Tomatillo Feb 12 Mar 26 Apr 2 Jun 4 – Aug 13 60–85
Tomatoes Feb 12 Mar 26 Apr 2 Jun 4 – Aug 13 60–85
Turmeric Feb 12 Mar 26 Apr 2 Dec 3 – Jan 28 240–300
Turnip Mar 5 Sep 8 Apr 16 – May 21 40–60
Watercress Feb 26 Mar 5 Mar 26 Sep 8 May 7 – Jun 11 40–60
Watermelon Feb 26 Mar 26 Apr 2 Jun 11 – Jul 30 70–100
Wax Beans Apr 2 May 28 – Jul 23 50–65
Winter Melon Feb 12 Mar 26 Apr 2 Jul 2 – Aug 20 90–120
Yam Feb 12 Mar 26 Apr 2 Oct 1 – Jan 28 180–330
Yard Long Beans Feb 12 Mar 26 Apr 2 May 28 – Jul 9 55–80
Zucchini Feb 26 Mar 26 Apr 2 May 21 – Jul 16 45–60

🍓 Fruits to Grow in Waldron

24 fruits matched to Zone 9a with planting dates calibrated for Waldron.

Show all 24 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Apr 9 Jul 9 – Oct 22 90–180
Blackberries Apr 9 365–730
Boysenberries Apr 9 365–730
Cantaloupe Apr 9 Jun 18 – Jul 23 70–90
Che Fruit Apr 9 1095–1825
Dragon Fruit Apr 9 365–730
Elderberries Apr 9 730–1095
Figs Apr 9 730–1825
Goji Berries Apr 9 730–1095
Grapes Apr 9 730–1095
Ground Cherry Apr 9 Jun 18 – Aug 13 65–80
Guava Apr 9 365–730
Honeydew Apr 9 Jul 2 – Aug 13 80–110
Kiwi Apr 9 1095–1825
Loquat Apr 9 730–1825
Mulberries Apr 9 730–1825
Passion Fruit Apr 9 365–545
Pawpaw Apr 9 1095–2555
Persimmon Apr 9 1095–2555
Pomegranate Apr 9 730–1095
Quince Apr 9 1095–1825
Raspberries Apr 9 365–730
Serviceberries Apr 9 730–1095
Strawberries Apr 9 Jul 9 – Feb 4 90–365

🌿 Herbs to Grow in Waldron

37 herbs matched to Zone 9a with planting dates calibrated for Waldron.

Show all 37 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Anise Feb 26 Mar 5 Mar 19 Sep 8 Jun 18 – Sep 3 90–120
Basil Feb 12 Apr 2 Apr 2 May 28 – Jul 30 50–75
Bee Balm Apr 2 Jul 2 – Sep 17 90–120
Borage Feb 26 Mar 5 Mar 19 Sep 8 May 14 – Jul 2 50–60
Caraway Feb 26 Mar 5 Mar 19 Sep 8 365–450
Catnip Apr 2 Jun 4 – Aug 6 60–80
Chamomile Feb 26 Mar 5 Mar 19 Sep 8 May 21 – Jul 30 60–90
Chervil Feb 26 Mar 5 Mar 19 Sep 8 Apr 30 – Jul 2 40–60
Chives Apr 2 Jun 4 – Aug 13 60–90
Cilantro Feb 26 Mar 5 Mar 19 Sep 8 Apr 30 – Jul 2 40–60
Comfrey Apr 2 Jun 4 – Aug 13 60–90
Cumin Feb 26 Mar 5 Mar 19 Sep 8 Jul 2 – Sep 3 100–120
Dill Feb 26 Mar 5 Mar 19 Sep 8 Apr 30 – Jul 2 40–60
Epazote Feb 12 Apr 2 Apr 2 May 21 – Jul 16 45–60
Fennel (herb) Feb 26 Mar 5 Mar 19 Sep 8 May 21 – Jul 30 60–90
Feverfew Apr 2 Jul 2 – Sep 17 90–120
Garlic Chives Apr 2 Jun 4 – Aug 13 60–90
Horehound Apr 2 Jun 18 – Aug 13 75–90
Hyssop Apr 2 Jun 11 – Aug 13 70–90
Lemon Balm Apr 2 Jun 4 – Jul 23 60–70
Lemon Thyme Apr 2 Jun 11 – Aug 13 70–90
Lemon Verbena Feb 12 Apr 2 Apr 2 Jun 4 – Aug 13 60–90
Lemongrass Feb 12 Apr 2 Apr 2 Jun 18 – Sep 17 75–120
Marjoram Apr 2 Jun 4 – Aug 13 60–90
Mint Apr 2 Jun 4 – Aug 13 60–90
Oregano Apr 2 Jun 4 – Aug 13 60–90
Parsley Feb 26 Mar 5 Mar 19 Sep 8 May 21 – Jul 23 60–80
Rosemary Apr 2 Jun 25 – Nov 12 80–180
Rue Apr 2 Jun 11 – Aug 13 70–90
Sage Apr 2 Jun 18 – Aug 13 75–90
Savory Apr 2 May 28 – Jul 23 50–70
Sorrel Feb 26 Mar 5 Mar 19 Sep 8 Apr 30 – Jul 2 40–60
Stevia Feb 12 Apr 2 Apr 2 Jun 4 – Aug 13 60–90
Tarragon Apr 2 Jun 4 – Aug 13 60–90
Thai Basil Feb 12 Apr 2 Apr 2 May 28 – Jul 30 50–75
Thyme Apr 2 Jun 11 – Aug 13 70–90
Valerian Apr 2 Aug 6 – Nov 12 120–180

🌸 Flowers to Grow in Waldron

49 flowers matched to Zone 9a with planting dates calibrated for Waldron.

Show all 49 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Feb 12 Mar 12 Mar 12 May 7 – Oct 22 60–75
Alliums Oct 6 Nov 3 – Nov 24 28–42
Anemones Sep 8 Sep 15 – Oct 13 90–120
Bachelor's Button Jan 29 Feb 26 Aug 25 Apr 23 – Aug 13 60–90
Begonias Jan 15 Mar 5 May 14 – Nov 12 70–90
Black-eyed Susan Jan 29 Mar 12 Mar 12 May 21 – Oct 8 60–80
Bleeding Hearts Jan 29 Mar 12 Apr 30 – May 21 60–90
Calendula Jan 29 Feb 26 Aug 11 Apr 9 – Aug 13 50–70
California Poppy Aug 11 Oct 20 – Feb 23 60–90
Celosia Feb 26 Mar 12 Mar 12 May 14 – Nov 19 60–90
Columbine Jan 29 Mar 12 Mar 12 Apr 30 – May 21 70–100
Coreopsis Jan 29 Mar 12 Mar 12 May 7 – Oct 8 60–80
Cosmos Feb 26 Feb 26 Feb 26 May 7 – Oct 22 60–90
Daffodils Oct 6 Sep 22 – Oct 13 20–40
Dahlias Mar 26 Mar 26 Jun 4 – Dec 3 70–120
Daylily Jan 29 Mar 12 May 21 – Nov 5 60–90
Dianthus Jan 29 Jan 29 Jan 29 Mar 19 – May 21 60–80
Echinacea (Purple Coneflower) Jan 29 Mar 12 Mar 12 May 21 – Oct 8 70–90
Foxglove Jan 29 Mar 12 Mar 12 Apr 30 – May 21 80–120
Freesia Sep 22 Oct 6 – Nov 3 84–112
Gaillardia (Blanket Flower) Feb 12 Mar 12 Mar 12 May 21 – Nov 19 70–100
Geraniums Jan 15 Mar 5 May 14 – Nov 12 70–100
Gladiolus Mar 26 Mar 26 Jun 4 – Dec 3 70–100
Hostas Jan 29 Mar 12 May 21 – Sep 10 60–90
Hyacinths Oct 6 Oct 6 – Oct 27 14–28
Hydrangeas Jan 29 Mar 12 May 21 – Sep 10 90–150
Impatiens Jan 29 Mar 12 May 21 – Nov 5 60–75
Irises Division Mar 12 Apr 30 – Jun 4 60–100
Larkspur Aug 25 Nov 3 – Feb 23 60–90
Lavender Jan 29 Mar 12 May 21 – Aug 27 90–120
Lilies Division Mar 12 May 21 – Aug 27 70–120
Lobelia Jan 29 Jan 29 Mar 26 – Apr 23 70–80
Marigolds Feb 19 Mar 12 Mar 12 May 7 – Oct 8 50–70
Nasturtium Feb 26 Mar 5 Mar 5 Apr 30 – Oct 29 55–65
Pansy Jan 15 Feb 26 Aug 11 Apr 16 – Jul 16 70–90
Petunia Jan 29 Mar 12 May 21 – Oct 22 70–90
Phlox Jan 29 Mar 12 Mar 12 May 21 – Jul 16 80–110
Portulaca Feb 26 Mar 12 Mar 12 Apr 30 – Nov 5 50–70
Ranunculus Sep 8 Sep 22 – Oct 20 90–120
Roses Jan 29 Mar 12 May 21 – Nov 5 90–180
Salvia Jan 29 Mar 5 May 14 – Oct 29 70–90
Sedum (Stonecrop) Jan 29 Mar 12 Jul 2 – Sep 10 60–90
Snapdragon Jan 29 Feb 26 Aug 11 Apr 30 – Aug 27 70–100
Sunflower Mar 5 Mar 5 Mar 5 May 28 – Oct 29 70–100
Sweet Alyssum Jan 29 Feb 26 Aug 25 Apr 2 – Jul 16 45–60
Sweet Pea Aug 25 Nov 3 – Dec 29 65–85
Vinca (Annual) Jan 15 Mar 5 May 14 – Nov 12 70–90
Yarrow Jan 29 Mar 12 Mar 12 May 7 – Sep 24 60–90
Zinnia Feb 26 Mar 5 Mar 5 May 14 – Oct 29 60–70

Monthly Planting Guide for Waldron

ZIP Codes in Waldron

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 San Juan County.

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Your San Juan County Garden Planner — Free

A 22-page printable planner built for San Juan County (Zone 9a). 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 Waldron), 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.