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Proberta, CA — Planting Guide for June

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Proberta, CA Zone 9b June

Top priorities for Proberta, CA gardeners in June

A quick June briefing for Proberta, CA gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 6
Avg. first frost November 28
Soil temp (4") 81°F
Watering Critical
Pest pressure High
Daylight 14.8 hrs
  1. Bring in the basil, cucumber, and green beans

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

Get ahead of July
  • First harvests: basil, cucumber, and green beans

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Proberta gardens in a long-season climate (Zone 9b, 267 frost-free days). Spring arrives early and fall lingers, so most of the work is matching the right crop to the right window — heat-lovers go in the ground as soon as the soil warms, and cool-season crops shift to fall and even winter rather than spring. Succession planting is your friend; you can plant the same crop three or four times in a season.

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.

Proberta averages 28.0 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

9b (25°F to 30°F min)

❄️ Avg. Last Frost

March 6

🍂 Avg. First Frost

November 28

📅 Growing Season

267 days

🌧️ Climate

Moderate 22.1" annual

💨 Wind

Moderate 7.6 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

28.0 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Proberta, CA Long season
267 days
Last Spring Frost March 6
267 growing days
First Fall Frost November 28

Monthly Watering Calendar for Proberta

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

Quick context: In Proberta, the watering question isn't "how often" — it's "is the soil moist 4 inches down?" Stick a finger in. Dry? Water. Damp? Wait. The 22" annual rainfall is just the starting context.

1"/wk 0" 2.6" 5.1" 7.7" 10.2" Jan 10.2" Feb 8.5" Mar 7" +0.8" Apr 3.5" +3" May 1.3" +4.1" Jun 0.2" +4.3" Jul 0" +4.3" Aug 0" +3.9" Sep 0.4" +2.5" Oct 1.8" Nov 4.2" Dec 6.9"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 10.2 in 10 days None
Feb 8.5 in 10 days Low
Mar 7 in 8 days Low
Apr 3.5 in 4 days 0.8 in Moderate
May 1.3 in 1 days 3 in High
Jun 0.2 in 0 days 4.1 in Critical
Jul 0 in 0 days 4.3 in Critical
Aug 0 in 0 days 4.3 in Critical
Sep 0.4 in 0 days 3.9 in Critical
Oct 1.8 in 3 days 2.5 in High
Nov 4.2 in 6 days 0.1 in Low
Dec 6.9 in 9 days None

Annual total: 44 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.

Proberta Soil Profile

Soil Type

Loam

Soil pH

6.8-7.6

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 Mar 6 → Nov 28 267 frost-free days Protect crops frost returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Apr 18 Protect by: Dec 19

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 18 Dec 19 245 days
Cautious Apr 2 Dec 3 245 days
Average year Mar 6 Nov 28 267 days
Optimistic Feb 23 Nov 20 270 days
Aggressive (risky) Jan 14 Nov 8 298 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±95 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 10.1 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

52 Moderate
Frost Timing Risk
10.0/10
Drought Risk
7.5/10
Soil Difficulty
1.0/10
Altitude Challenge
0.0/10
Climate Shift
10.0/10
Rainfall Challenge
0.0/10

Tehama County presents some gardening challenges. Choose adapted varieties and plan around frost dates.

Zone 9b Frost Countdown
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Last Frost: Mar 6 First Frost: Nov 28

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

County Extension Office

Tehama County University of California Cooperative Extension Extension Office

Phone: 530-750-1200

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 CA →

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 Tehama County

Soil testing Pest management Water-wise gardening Master Gardener hotline
Finding local nurseries & garden centers in Tehama County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Tehama 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 Tehama County CA" or "garden center Tehama 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 Tehama County CA" or check your extension office and local parks department. Facebook groups like "Tehama County Gardeners" or "California Gardening" are also excellent for local advice and plant swaps.

What to Plant After Your Harvest

After your first crops finish, use the remaining frost-free days to grow a second round.

Show 6 more succession options
After Carrots (harvest ends Jun 12) 169 days until frost
After Onion (harvest ends Jul 24) 127 days until frost
After Eggplant (harvest ends Jul 24) 127 days until frost
After Cauliflower (harvest ends Jul 3) 148 days until frost
After Melon (harvest ends Jul 10) 141 days until frost
After Watermelon (harvest ends Jul 10) 141 days until frost

Sunlight & Day Length in Proberta

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

The practical takeaway: You can't change the sun. Picking the right day-length-matched varieties for Proberta matters more than any other "fix" you make — and the seed packet tells you (look for "long-day," "short-day," "day-neutral").

Longest Day

14.8 hours

Summer solstice daylight

Shortest Day

9.2 hours

Winter solstice daylight

Peak Sun Hours

13.4 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 4h 7h 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 9.4 hr 5.7 hr Short day
February 10.5 hr 6.4 hr Short day
March 11.7 hr 7.3 hr Short day
April 13.1 hr 9.5 hr Neutral
May 14.2 hr 11.2 hr Long day
June 14.8 hr 13.4 hr Long day
July 14.6 hr 13.3 hr Long day
August 13.6 hr 12 hr Neutral
September 12.2 hr 10.6 hr Neutral
October 10.9 hr 7.9 hr Short day
November 9.7 hr 6 hr Short day
December 9.2 hr 5 hr Short day

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

Soil Temperature & Composting in Proberta

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

The practical takeaway: Lettuce germinates at 35°F. Beans want 60°F. Tomatoes 65°F+. Soil temp, not air temp, is what plants feel. Proberta's monthly curve tells you when each crop actually has the conditions to take off.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Apr through Nov.

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° 50° 70° 90° 110° 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 46°F 52°F 🐢 Slow ~24 weeks
Feb 44°F 51°F 🐢 Slow ~24 weeks
Mar 52°F 55°F ♻️ Active ~14 weeks
Apr 61°F 61°F ♻️ Active ~14 weeks
May 72°F 68°F 🔥 Peak ~8 weeks
Jun 81°F 77°F 🔥 Peak ~8 weeks
Jul 89°F 84°F 🔥 Peak ~8 weeks
Aug 91°F 87°F 🔥 Peak ~8 weeks
Sep 84°F 83°F 🔥 Peak ~8 weeks
Oct 72°F 77°F 🔥 Peak ~8 weeks
Nov 60°F 67°F ♻️ Active ~14 weeks
Dec 48°F 57°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 Proberta

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

The practical takeaway: Two gardeners can grow identical seeds and get wildly different results based on pest pressure alone. Proberta's climate sets a floor on what's possible without intervention.

Insect Pest Pressure

8.2 / 10

High — expect multiple pest generations. Preventative measures essential.

Disease Risk

7.6 / 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 High 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 Low 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 Proberta

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: A fall-planted cover crop in Proberta is the closest thing to free soil amendment. Plant cereal rye or hairy vetch after harvest; chop it down before it flowers in spring; the soil it leaves behind out-grows any store-bought compost.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Mar 10 Sep 19 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Mar 15 Sep 26 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Mar 11 Sep 26 Massive biomass, breaks compaction, suppresses nematodes
White clover Feb 9 Sep 19 ✓ 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 Mar 26 Oct 31 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 Sep 21 Feb 20 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Oct 5 Feb 20 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Oct 8 Feb 20 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Sep 5 Feb 20 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Oct 24 Feb 13 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Aug 22 Feb 20 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Sep 5 Feb 13 Erosion control, weed suppression, good biomass

Wind & Microclimate in Proberta

For new gardeners: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Proberta averages 7.6 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: 13 mph   Summer: 11 mph

Fall: 7 mph   Winter: 10 mph

Prevailing wind: W. 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 (842 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Proberta

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

Why it matters: A 1,000 sq ft roof captures about 600 gallons from a single 1" rainfall. Proberta gets 22" of rain a year — a couple of well-placed rain barrels can cover most summer watering. In dry climates the math's even better: every captured gallon is one you don't buy.

Annual Collection

21,929 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 2,500 gal tank.

Legal Status

Unrestricted

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

Best Collection Months

Jan, Feb, Mar, Dec

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

Months to Draw From Storage

Jun, Jul, Aug, Sep

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 44.0 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 21,929 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Jun, Jul, Aug)
  • Use a first-flush diverter to keep roof debris out of your collection

🥬 Vegetables to Grow in Proberta

114 vegetables matched to Zone 9b with planting dates calibrated for Proberta.

Show all 114 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Feb 6 Mar 6 Mar 13 Jun 5 – Jul 10 80–100
Amaranth Jan 23 Mar 6 Mar 13 Jun 12 – Jul 31 90–120
Artichoke Mar 20 Jul 24 – Oct 2 120–180
Arugula Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – Jun 12 30–50
Asparagus Mar 20 730–1095
Beets Feb 13 Oct 3 Apr 10 – May 8 50–70
Belgian Endive Feb 6 Feb 13 Mar 6 Oct 3 Jun 26 – Aug 21 110–150
Bitter Melon Jan 23 Mar 6 Mar 13 May 15 – Jun 26 60–90
Black Beans Mar 13 Jun 12 – Jul 31 90–120
Bok Choy Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 22 40–60
Broccoli Feb 6 Feb 13 Mar 6 Oct 3 May 8 – Jun 19 60–90
Broccoli Rabe Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 22 40–60
Brussels Sprouts Feb 6 Feb 13 Mar 6 Oct 3 Jun 5 – Jul 31 90–130
Butternut Squash Feb 6 Mar 6 Mar 13 Jun 12 – Jul 17 85–110
Cabbage Feb 6 Feb 13 Mar 6 Oct 3 May 8 – Jul 3 60–100
Calabash Jan 23 Mar 6 Mar 13 Jun 5 – Jul 31 80–120
Cardoon Mar 20 Jul 24 – Sep 4 120–150
Carrots Feb 13 Oct 3 Apr 17 – May 22 60–80
Cauliflower Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jul 3 55–100
Celeriac Feb 6 Feb 13 Mar 6 Oct 3 Jun 19 – Jul 24 100–120
Celery Feb 6 Feb 13 Mar 6 Oct 3 May 29 – Jul 24 80–120
Celtuce Feb 6 Feb 13 Mar 6 Oct 3 May 8 – Jun 19 60–90
Chard Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jun 19 50–60
Chayote Jan 23 Mar 6 Mar 13 Jul 17 – Sep 25 120–180
Chickpeas Feb 6 Feb 13 Mar 6 Oct 3 May 29 – Jul 10 80–110
Chicory Feb 6 Feb 13 Mar 6 Oct 3 May 8 – Jun 19 60–85
Chinese Cabbage Feb 6 Feb 13 Mar 6 Oct 3 May 1 – May 29 50–70
Christmas Lima Beans Jan 23 Mar 6 Mar 13 Jun 5 – Jul 10 80–100
Collard Greens Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jul 3 55–75
Corn Mar 13 May 15 – Jul 10 60–100
Cowpeas Mar 13 May 15 – Jun 26 60–90
Cress Feb 6 Feb 13 Mar 6 Oct 3 Mar 20 – Apr 10 14–21
Crookneck Squash Feb 6 Mar 6 Mar 13 May 1 – May 29 45–60
Crosne Feb 13 Oct 3 Jul 17 – Sep 18 150–200
Cucumber Feb 6 Mar 6 Mar 13 May 8 – Jul 3 50–70
Daikon Feb 13 Oct 3 Apr 10 – May 8 50–70
Delicata Squash Feb 6 Mar 6 Mar 13 Jun 5 – Jul 10 80–100
Edamame Mar 13 May 29 – Jul 10 75–100
Eggplant Jan 23 Mar 6 Mar 13 May 22 – Jul 24 65–85
Endive Feb 6 Feb 13 Mar 6 Oct 3 Apr 24 – May 29 45–65
Escarole Feb 6 Feb 13 Mar 6 Oct 3 May 1 – May 29 50–70
Fava Beans Feb 6 Feb 13 Mar 6 Oct 3 May 22 – Jul 3 75–100
Fennel Jan 23 Mar 6 Mar 13 May 15 – Jun 26 60–90
Garlic Oct 17 Jan 16 – Jul 3 90–240
Ginger Jan 23 Mar 6 Mar 13 Nov 13 – Jan 8 240–300
Green Beans Mar 13 May 8 – Jul 3 50–65
Horseradish Mar 20 Jul 24 – Oct 2 120–180
Hot Peppers Jan 23 Mar 6 Mar 13 May 22 – Aug 28 70–120
Hubbard Squash Feb 6 Mar 6 Mar 13 Jun 26 – Jul 31 100–120
Jicama Jan 23 Mar 6 Mar 13 Jul 17 – Sep 25 120–180
Kabocha Feb 6 Mar 6 Mar 13 Jun 12 – Jul 10 85–100
Kai Lan Feb 6 Feb 13 Mar 6 Oct 3 Apr 24 – May 22 45–60
Kale Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jun 26 50–70
Kidney Beans Mar 13 Jun 12 – Jul 17 85–110
Kohlrabi Feb 6 Feb 13 Mar 6 Oct 3 Apr 24 – May 29 45–65
Komatsuna Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – May 15 35–50
Leeks Feb 6 Feb 13 Mar 6 Oct 3 Jun 5 – Aug 21 90–150
Lentils Feb 6 Feb 13 Mar 6 Oct 3 May 29 – Jul 10 80–110
Lettuce Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – Jun 19 30–60
Lima Beans Mar 13 May 15 – Jun 26 60–90
Loofah Jan 23 Mar 6 Mar 13 Jun 26 – Aug 28 100–150
Luffa Jan 23 Mar 6 Mar 13 Jun 12 – Aug 28 90–150
Mache Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 22 40–60
Malabar Spinach Jan 23 Mar 6 Mar 13 May 8 – Jun 5 55–70
Melon Feb 6 Mar 6 Mar 13 May 22 – Jul 10 70–100
Microgreens Feb 6 Feb 13 Mar 6 Oct 3 Mar 13 – Apr 10 7–21
Mitsuba Feb 6 Feb 13 Feb 27 Oct 3 Apr 24 – Jun 19 50–70
Mizuna Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – May 8 30–45
Mustard Greens Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – Jun 12 30–50
Napa Cabbage Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jun 5 55–75
New Zealand Spinach Jan 23 Mar 6 Mar 13 May 8 – Jun 5 55–70
Okra Jan 23 Mar 6 Mar 13 May 8 – Jul 3 50–65
Onion Feb 6 Feb 13 Mar 6 Oct 3 Jun 5 – Jul 24 90–120
Pac Choi Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 15 40–55
Parsnip Feb 13 Oct 3 May 29 – Jul 10 100–130
Patty Pan Squash Feb 6 Mar 6 Mar 13 May 1 – May 29 45–60
Peas Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jun 26 55–70
Peppers Jan 23 Mar 6 Mar 13 May 15 – Jul 24 60–90
Pole Beans Jan 23 Mar 6 Mar 13 May 8 – Jul 3 55–70
Potatoes Jan 23 Mar 6 Mar 13 May 22 – Jul 31 70–120
Pumpkin Feb 6 Mar 6 Mar 13 Jun 12 – Jul 31 85–120
Purslane Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 22 40–60
Radicchio Feb 6 Feb 13 Mar 6 Oct 3 May 8 – Jun 12 60–80
Radish Feb 13 Oct 3 Mar 13 – Apr 3 22–35
Romanesco Feb 6 Feb 13 Mar 6 Oct 3 May 22 – Jul 3 75–100
Rutabaga Feb 13 Oct 3 May 8 – Jun 12 80–100
Salsify Feb 13 Oct 3 May 29 – Jul 10 100–130
Savoy Cabbage Feb 6 Feb 13 Mar 6 Oct 3 May 15 – Jul 10 70–110
Scallions Feb 6 Feb 13 Mar 6 Oct 3 May 1 – May 29 50–70
Scarlet Runner Beans Jan 23 Mar 6 Mar 13 May 15 – Jun 19 60–80
Shallot Feb 6 Feb 13 Mar 6 Oct 3 Jun 5 – Jul 24 90–120
Shiso Jan 23 Mar 13 Mar 13 May 8 – Jul 3 50–70
Snap Peas Jan 23 Mar 6 Mar 13 May 8 – Jul 3 55–70
Snow Peas Feb 6 Feb 13 Mar 6 Oct 3 May 1 – Jun 26 50–65
Soybeans Mar 13 Jun 5 – Jul 31 80–120
Spaghetti Squash Feb 6 Mar 6 Mar 13 Jun 12 – Jul 10 85–100
Spinach Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – Jun 12 35–50
Squash (Summer) Feb 6 Mar 6 Mar 13 May 1 – Jul 3 45–65
Squash (Winter) Feb 6 Mar 6 Mar 13 Jun 5 – Jul 31 80–120
Sunchoke Mar 20 Jul 10 – Sep 4 110–150
Sweet Corn Mar 13 May 15 – Jun 26 60–90
Sweet Potatoes Jan 23 Mar 6 Mar 13 Jun 12 – Jul 31 90–120
Tatsoi Feb 6 Feb 13 Mar 6 Oct 3 Apr 10 – May 15 35–50
Tomatillo Jan 23 Mar 6 Mar 13 May 15 – Jul 24 60–85
Tomatoes Jan 23 Mar 6 Mar 13 May 15 – Jul 24 60–85
Turmeric Jan 23 Mar 6 Mar 13 Nov 13 – Jan 8 240–300
Turnip Feb 13 Oct 3 Mar 27 – May 1 40–60
Watercress Feb 6 Feb 13 Mar 6 Oct 3 Apr 17 – May 22 40–60
Watermelon Feb 6 Mar 6 Mar 13 May 22 – Jul 10 70–100
Wax Beans Mar 13 May 8 – Jul 3 50–65
Winter Melon Jan 23 Mar 6 Mar 13 Jun 12 – Jul 31 90–120
Yam Jan 23 Mar 6 Mar 13 Sep 11 – Jan 8 180–330
Yard Long Beans Jan 23 Mar 6 Mar 13 May 8 – Jun 19 55–80
Zucchini Feb 6 Mar 6 Mar 13 May 1 – Jun 26 45–60

🍓 Fruits to Grow in Proberta

24 fruits matched to Zone 9b with planting dates calibrated for Proberta.

Show all 24 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Mar 20 Jun 19 – Oct 2 90–180
Blackberries Mar 20 365–730
Boysenberries Mar 20 365–730
Cantaloupe Mar 20 May 29 – Jul 3 70–90
Che Fruit Mar 20 1095–1825
Dragon Fruit Mar 20 365–730
Elderberries Mar 20 730–1095
Figs Mar 20 730–1825
Goji Berries Mar 20 730–1095
Grapes Mar 20 730–1095
Ground Cherry Mar 20 May 29 – Jul 24 65–80
Guava Mar 20 365–730
Honeydew Mar 20 Jun 12 – Jul 24 80–110
Kiwi Mar 20 1095–1825
Loquat Mar 20 730–1825
Mulberries Mar 20 730–1825
Passion Fruit Mar 20 365–545
Pawpaw Mar 20 1095–2555
Persimmon Mar 20 1095–2555
Pomegranate Mar 20 730–1095
Quince Mar 20 1095–1825
Raspberries Mar 20 365–730
Serviceberries Mar 20 730–1095
Strawberries Mar 20 Jun 19 – Jan 15 90–365

🌿 Herbs to Grow in Proberta

37 herbs matched to Zone 9b with planting dates calibrated for Proberta.

Show all 37 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Anise Feb 6 Feb 13 Feb 27 Oct 3 May 29 – Aug 14 90–120
Basil Jan 23 Mar 13 Mar 13 May 8 – Jul 10 50–75
Bee Balm Mar 13 Jun 12 – Aug 28 90–120
Borage Feb 6 Feb 13 Feb 27 Oct 3 Apr 24 – Jun 12 50–60
Caraway Feb 6 Feb 13 Feb 27 Oct 3 365–450
Catnip Mar 13 May 15 – Jul 17 60–80
Chamomile Feb 6 Feb 13 Feb 27 Oct 3 May 1 – Jul 10 60–90
Chervil Feb 6 Feb 13 Feb 27 Oct 3 Apr 10 – Jun 12 40–60
Chives Mar 13 May 15 – Jul 24 60–90
Cilantro Feb 6 Feb 13 Feb 27 Oct 3 Apr 10 – Jun 12 40–60
Comfrey Mar 13 May 15 – Jul 24 60–90
Cumin Feb 6 Feb 13 Feb 27 Oct 3 Jun 12 – Aug 14 100–120
Dill Feb 6 Feb 13 Feb 27 Oct 3 Apr 10 – Jun 12 40–60
Epazote Jan 23 Mar 13 Mar 13 May 1 – Jun 26 45–60
Fennel (herb) Feb 6 Feb 13 Feb 27 Oct 3 May 1 – Jul 10 60–90
Feverfew Mar 13 Jun 12 – Aug 28 90–120
Garlic Chives Mar 13 May 15 – Jul 24 60–90
Horehound Mar 13 May 29 – Jul 24 75–90
Hyssop Mar 13 May 22 – Jul 24 70–90
Lemon Balm Mar 13 May 15 – Jul 3 60–70
Lemon Thyme Mar 13 May 22 – Jul 24 70–90
Lemon Verbena Jan 23 Mar 13 Mar 13 May 15 – Jul 24 60–90
Lemongrass Jan 23 Mar 13 Mar 13 May 29 – Aug 28 75–120
Marjoram Mar 13 May 15 – Jul 24 60–90
Mint Mar 13 May 15 – Jul 24 60–90
Oregano Mar 13 May 15 – Jul 24 60–90
Parsley Feb 6 Feb 13 Feb 27 Oct 3 May 1 – Jul 3 60–80
Rosemary Mar 13 Jun 5 – Oct 23 80–180
Rue Mar 13 May 22 – Jul 24 70–90
Sage Mar 13 May 29 – Jul 24 75–90
Savory Mar 13 May 8 – Jul 3 50–70
Sorrel Feb 6 Feb 13 Feb 27 Oct 3 Apr 10 – Jun 12 40–60
Stevia Jan 23 Mar 13 Mar 13 May 15 – Jul 24 60–90
Tarragon Mar 13 May 15 – Jul 24 60–90
Thai Basil Jan 23 Mar 13 Mar 13 May 8 – Jul 10 50–75
Thyme Mar 13 May 22 – Jul 24 70–90
Valerian Mar 13 Jul 17 – Oct 23 120–180

🌸 Flowers to Grow in Proberta

42 flowers matched to Zone 9b with planting dates calibrated for Proberta.

Show all 42 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Jan 23 Feb 13 Feb 13 Apr 10 – Oct 9 60–75
Alliums Nov 7 Dec 5 – Dec 26 28–42
Anemones Oct 17 Oct 17 – Nov 14 90–120
Bachelor's Button Jan 2 Jan 30 Sep 19 Mar 27 – Jul 17 60–90
Begonias Dec 26 Feb 6 Apr 17 – Oct 30 70–90
Black-eyed Susan Jan 9 Feb 13 Feb 20 May 1 – Sep 18 60–80
Calendula Jan 2 Jan 30 Sep 5 Mar 13 – Jul 3 50–70
California Poppy Aug 22 Oct 31 – Mar 6 60–90
Celosia Feb 6 Feb 13 Feb 13 Apr 17 – Nov 6 60–90
Coreopsis Jan 9 Feb 13 Feb 20 Apr 17 – Sep 18 60–80
Cosmos Feb 6 Jan 30 Jan 30 Apr 10 – Oct 9 60–90
Daffodils Oct 31 Oct 17 – Nov 7 20–40
Dahlias Mar 6 Mar 6 May 15 – Nov 27 70–120
Daylily Jan 9 Feb 20 May 1 – Oct 30 60–90
Dianthus Jan 9 Jan 2 Jan 2 Feb 20 – Apr 17 60–80
Echinacea (Purple Coneflower) Jan 9 Feb 20 Feb 20 May 1 – Sep 18 70–90
Freesia Oct 17 Oct 24 – Nov 28 84–112
Gaillardia (Blanket Flower) Jan 23 Feb 13 Feb 13 Apr 24 – Oct 23 70–100
Geraniums Dec 26 Feb 6 Apr 17 – Oct 30 70–100
Gladiolus Mar 6 Mar 6 May 15 – Nov 27 70–100
Hyacinths Nov 7 Nov 7 – Nov 28 14–28
Impatiens Jan 9 Feb 13 Apr 24 – Oct 23 60–75
Irises Division Feb 13 Apr 3 – May 8 60–100
Larkspur Sep 26 Dec 5 – Mar 13 60–90
Lavender Jan 9 Feb 13 Apr 24 – Jul 17 90–120
Lobelia Jan 9 Jan 2 Feb 27 – Mar 27 70–80
Marigolds Jan 30 Feb 13 Feb 13 Apr 10 – Oct 2 50–70
Nasturtium Feb 6 Feb 6 Feb 6 Apr 3 – Oct 16 55–65
Pansy Dec 26 Jan 30 Sep 5 Mar 20 – Jun 5 70–90
Petunia Jan 9 Feb 13 Apr 24 – Oct 9 70–90
Portulaca Feb 6 Feb 13 Feb 13 Apr 3 – Oct 23 50–70
Ranunculus Oct 17 Oct 24 – Nov 21 90–120
Roses Jan 9 Feb 13 Apr 24 – Oct 23 90–180
Salvia Jan 9 Feb 6 Apr 17 – Oct 16 70–90
Sedum (Stonecrop) Jan 9 Feb 13 Jun 5 – Aug 14 60–90
Snapdragon Jan 2 Jan 30 Sep 5 Apr 3 – Aug 14 70–100
Sunflower Feb 13 Feb 6 Feb 6 May 1 – Oct 16 70–100
Sweet Alyssum Jan 2 Jan 30 Sep 19 Mar 6 – Jun 5 45–60
Sweet Pea Sep 19 Nov 28 – Jan 9 65–85
Vinca (Annual) Dec 26 Feb 6 Apr 17 – Oct 30 70–90
Yarrow Jan 9 Feb 13 Feb 20 Apr 17 – Aug 21 60–90
Zinnia Feb 6 Feb 6 Feb 6 Apr 17 – Oct 16 60–70

Monthly Planting Guide for Proberta

ZIP Codes in Proberta

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 Tehama County.

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Your Tehama County Garden Planner — Free

A 22-page printable planner built for Tehama County (Zone 9b). 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 Proberta), 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.