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Pacifica, CA — Planting Guide for June

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Pacifica, CA Zone 10a June

June in the garden — Pacifica, CA

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

Avg. last frost January 18
Avg. first frost December 12
Soil temp (4") 85°F
Watering Critical
Pest pressure High
Daylight 14.6 hrs
  1. It's harvest week for peppers, tomatoes, and ageratum

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

To set up a strong July, finish these tasks
  • First harvests: ageratum, alpine strawberries, and artichoke

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Pacifica gardens in a long-season climate (Zone 10a, 329 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.

Pacifica averages 24.5 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

10a (30°F to 35°F min)

❄️ Avg. Last Frost

January 18

🍂 Avg. First Frost

December 12

📅 Growing Season

329 days

🌧️ Climate

Moderate 21.0" annual

💨 Wind

Moderate 9.3 mph avg

🥶 Frost Tier

Regular 16% frost-free years

🏜️ Drought

24.5 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Pacifica, CA Year-round
328 days
Last Spring Frost January 18
328 growing days
First Fall Frost December 12

Monthly Watering Calendar for Pacifica

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

Why it matters: Most vegetables want about 1 inch of water per week. Pacifica gets 21" a year — months that hit that 1"/week need zero supplemental watering; months that fall short, the table tells you how much to add. Saves you from drowning roots and from drought-stressing plants into bolting.

1"/wk 0" 1.3" 2.5" 3.8" 5" +0.4" Jan 3.9" +0.9" Feb 3.4" +1.6" Mar 2.7" +3.1" Apr 1.2" +3.9" May 0.4" +4.2" Jun 0.1" +4.3" Jul 0" +4.3" Aug 0" +4.1" Sep 0.2" +3.6" Oct 0.7" +2.9" Nov 1.4" +1.4" Dec 2.9"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 3.9 in 8 days 0.4 in Low
Feb 3.4 in 9 days 0.9 in Moderate
Mar 2.7 in 8 days 1.6 in High
Apr 1.2 in 5 days 3.1 in Critical
May 0.4 in 1 days 3.9 in Critical
Jun 0.1 in 1 days 4.2 in Critical
Jul 0 in 0 days 4.3 in Critical
Aug 0 in 0 days 4.3 in Critical
Sep 0.2 in 1 days 4.1 in Critical
Oct 0.7 in 3 days 3.6 in Critical
Nov 1.4 in 6 days 2.9 in High
Dec 2.9 in 9 days 1.4 in Moderate

Annual total: 16.9 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.

Pacifica Soil Profile

Soil Type

Loam

Soil pH

6.8-7.2

Drainage

Well Drained

Frost Risk Probability

Based on 13 years of NOAA weather station data from 3 stations

Too early frost risk Safe to Plant Jan 18 → Dec 12 329 frost-free days Protect crops frost returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Mar 24 Protect by: Dec 24

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) Mar 24 Dec 24 275 days
Cautious Feb 17 Dec 19 305 days
Average year Jan 18 Dec 12 328 days
Optimistic Jan 14 Dec 5 325 days
Aggressive (risky) Jan 5 Nov 22 321 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±79 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 25.7 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

44 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
5.2/10

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

Zone 10a Frost Countdown
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Last Frost: Jan 18 First Frost: Dec 12

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

County Extension Office

San Mateo 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 San Mateo County

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

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to San Mateo 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 Mateo County CA" or "garden center San Mateo 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 Mateo County CA" or check your extension office and local parks department. Facebook groups like "San Mateo 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 Kale (harvest ends May 10) 216 days until frost
After Carrots (harvest ends Apr 26) 230 days until frost
After Cabbage (harvest ends May 17) 209 days until frost
After Hot Peppers (harvest ends Jul 12) 153 days until frost
After Zucchini (harvest ends May 10) 216 days until frost
After Broccoli (harvest ends May 3) 223 days until frost

Sunlight & Day Length in Pacifica

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

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

Longest Day

14.6 hours

Summer solstice daylight

Shortest Day

9.4 hours

Winter solstice daylight

Peak Sun Hours

12.9 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 9.7 hr 5.9 hr Short day
February 10.6 hr 6.1 hr Short day
March 11.7 hr 7.5 hr Short day
April 13 hr 9.1 hr Neutral
May 14 hr 11.3 hr Long day
June 14.6 hr 12.9 hr Long day
July 14.3 hr 12.6 hr Long day
August 13.4 hr 12.5 hr Neutral
September 12.2 hr 10.2 hr Neutral
October 11 hr 8.2 hr Short day
November 9.9 hr 5.8 hr Short day
December 9.4 hr 5.4 hr Short day

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

Soil Temperature & Composting in Pacifica

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

Quick context: Compost piles need 130-160°F internal temp to actively break down. Below 50°F ambient, microbial activity slows dramatically. Pacifica'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 Mar through Dec.

Best Month to Compost

Apr

Microbial activity peaks when soil is warm.

Active Composting

12 months

Nearly year-round composting.

60°F 70°F 40° 58° 75° 93° 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 59°F 62°F ♻️ Active ~14 weeks
Feb 58°F 62°F ♻️ Active ~14 weeks
Mar 64°F 66°F ♻️ Active ~14 weeks
Apr 69°F 72°F 🔥 Peak ~8 weeks
May 78°F 77°F 🔥 Peak ~8 weeks
Jun 85°F 85°F 🔥 Peak ~8 weeks
Jul 92°F 87°F 🔥 Peak ~8 weeks
Aug 95°F 90°F 🔥 Peak ~8 weeks
Sep 91°F 90°F 🔥 Peak ~8 weeks
Oct 82°F 84°F 🔥 Peak ~8 weeks
Nov 69°F 77°F 🔥 Peak ~8 weeks
Dec 61°F 68°F ♻️ Active ~14 weeks

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

Pest & Disease Pressure in Pacifica

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

Why this matters: Pest and disease pressure is the X-factor most beginners under-plan for. Pacifica's climate determines whether you can mostly "plant and see" or whether you need a pest-management routine from the first seedling.

Insect Pest Pressure

8.9 / 10

High — expect multiple pest generations. Preventative measures essential.

Disease Risk

2.5 / 10

Low disease risk — dry conditions reduce fungal problems.

Seasonal Risk

Spring High
Summer High
Fall High
Winter Moderate
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Whiteflies High Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Spider mites High Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Thrips High Mar, Apr, May, Jun, Jul, Aug, Sep
Scale insects Moderate Apr, May, Jun, Jul, Aug, Sep, Oct
Nematodes Moderate May, Jun, Jul, Aug, Sep
Organic pest management tips
  • Use row covers on susceptible crops during peak pest months
  • Apply neem oil preventatively every 7-14 days during active pest season
  • Interplant with strong-scented herbs (basil, marigold) to confuse pests
  • Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
  • Practice crop rotation — never plant the same family in the same spot within 3 years

Cover Crops for Pacifica

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: In Pacifica, 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 (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Jan 23 Oct 3 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Jan 24 Oct 17 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Jan 29 Oct 10 Massive biomass, breaks compaction, suppresses nematodes
White clover Dec 22 Oct 17 ✓ 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 Feb 10 Nov 28 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (1 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Crimson clover Oct 16 Dec 28 ✓ Yes Fixes nitrogen, attracts pollinators in spring

Wind & Microclimate in Pacifica

Why this matters: New gardeners under-plan for wind. Pacifica averages 9.3 mph — fine for most days. But every region has its windy days, and the first time a row of unstaked peppers leans over after a storm is a lesson you only need once.

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

Seasonal Wind Speed

Spring: 13 mph   Summer: 10 mph

Fall: 7 mph   Winter: 9 mph

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

Windbreak Benefit

5.1/10

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

Frost Pocket Risk

Moderate

Some terrain variation (642 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Pacifica

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

Why this matters: Most gardens use 0.5-1 gallon per square foot per week in summer. Pacifica's 21" annual rainfall is enough to cover most needs if you can capture it. Rain barrels under downspouts are the simplest entry point.

Annual Collection

8,422 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 2,500 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

May, Jun, Jul, Aug, Sep, Oct

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 16.9 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 8,422 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
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🥬 Vegetables to Grow in Pacifica

105 vegetables matched to Zone 10a with planting dates calibrated for Pacifica.

Show all 105 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Dec 21 Jan 18 Jan 25 Apr 19 – May 24 80–100
Amaranth Dec 7 Jan 18 Jan 25 Apr 26 – Jun 14 90–120
Artichoke Feb 1 Jun 7 – Aug 16 120–180
Arugula Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Apr 26 30–50
Asparagus Feb 1 730–1095
Beets Dec 28 Oct 17 Feb 22 – Mar 22 50–70
Belgian Endive Dec 21 Dec 28 Jan 18 Oct 17 May 10 – Jul 5 110–150
Bitter Melon Dec 7 Jan 18 Jan 25 Mar 29 – May 10 60–90
Black Beans Jan 25 Apr 26 – Jun 14 90–120
Bok Choy Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Apr 5 40–60
Broccoli Dec 21 Dec 28 Jan 18 Oct 17 Mar 22 – May 3 60–90
Broccoli Rabe Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Apr 5 40–60
Brussels Sprouts Dec 21 Dec 28 Jan 18 Oct 17 Apr 19 – Jun 14 90–130
Butternut Squash Dec 21 Jan 18 Jan 25 Apr 26 – May 31 85–110
Cabbage Dec 21 Dec 28 Jan 18 Oct 17 Mar 22 – May 17 60–100
Calabash Dec 7 Jan 18 Jan 25 Apr 19 – Jun 14 80–120
Cardoon Feb 1 Jun 7 – Jul 19 120–150
Carrots Dec 28 Oct 17 Mar 1 – Apr 5 60–80
Cauliflower Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 17 55–100
Celery Dec 21 Dec 28 Jan 18 Oct 17 Apr 12 – Jun 7 80–120
Celtuce Dec 21 Dec 28 Jan 18 Oct 17 Mar 22 – May 3 60–90
Chard Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 3 50–60
Chayote Dec 7 Jan 18 Jan 25 May 31 – Aug 9 120–180
Chickpeas Dec 21 Dec 28 Jan 18 Oct 17 Apr 12 – May 24 80–110
Chicory Dec 21 Dec 28 Jan 18 Oct 17 Mar 22 – May 3 60–85
Chinese Cabbage Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – Apr 12 50–70
Christmas Lima Beans Dec 7 Jan 18 Jan 25 Apr 19 – May 24 80–100
Collard Greens Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 17 55–75
Corn Jan 25 Mar 29 – May 24 60–100
Cowpeas Jan 25 Mar 29 – May 10 60–90
Cress Dec 21 Dec 28 Jan 18 Oct 17 Feb 1 – Feb 22 14–21
Crookneck Squash Dec 21 Jan 18 Jan 25 Mar 15 – Apr 12 45–60
Cucumber Dec 21 Jan 18 Jan 25 Mar 22 – May 17 50–70
Daikon Dec 28 Oct 17 Feb 22 – Mar 22 50–70
Delicata Squash Dec 21 Jan 18 Jan 25 Apr 19 – May 24 80–100
Edamame Jan 25 Apr 12 – May 24 75–100
Eggplant Dec 7 Jan 18 Jan 25 Apr 5 – Jun 7 65–85
Endive Dec 21 Dec 28 Jan 18 Oct 17 Mar 8 – Apr 12 45–65
Escarole Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – Apr 12 50–70
Fava Beans Dec 21 Dec 28 Jan 18 Oct 17 Apr 5 – May 17 75–100
Fennel Dec 7 Jan 18 Jan 25 Mar 29 – May 10 60–90
Ginger Dec 7 Jan 18 Jan 25 Sep 27 – Dec 6 240–300
Green Beans Jan 25 Mar 22 – May 17 50–65
Hot Peppers Dec 7 Jan 18 Jan 25 Apr 5 – Jul 12 70–120
Hubbard Squash Dec 21 Jan 18 Jan 25 May 10 – Jun 14 100–120
Jicama Dec 7 Jan 18 Jan 25 May 31 – Aug 9 120–180
Kabocha Dec 21 Jan 18 Jan 25 Apr 26 – May 24 85–100
Kai Lan Dec 21 Dec 28 Jan 18 Oct 17 Mar 8 – Apr 5 45–60
Kale Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 10 50–70
Kidney Beans Jan 25 Apr 26 – May 31 85–110
Kohlrabi Dec 21 Dec 28 Jan 18 Oct 17 Mar 8 – Apr 12 45–65
Komatsuna Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Mar 29 35–50
Leeks Dec 21 Dec 28 Jan 18 Oct 17 Apr 19 – Jul 5 90–150
Lentils Dec 21 Dec 28 Jan 18 Oct 17 Apr 12 – May 24 80–110
Lettuce Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – May 3 30–60
Lima Beans Jan 25 Mar 29 – May 10 60–90
Loofah Dec 7 Jan 18 Jan 25 May 10 – Jul 12 100–150
Luffa Dec 7 Jan 18 Jan 25 Apr 26 – Jul 12 90–150
Mache Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Apr 5 40–60
Malabar Spinach Dec 7 Jan 18 Jan 25 Mar 22 – Apr 19 55–70
Melon Dec 21 Jan 18 Jan 25 Apr 5 – May 24 70–100
Microgreens Dec 21 Dec 28 Jan 18 Oct 17 Jan 25 – Feb 22 7–21
Mizuna Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Mar 22 30–45
Mustard Greens Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Apr 26 30–50
Napa Cabbage Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – Apr 19 55–75
New Zealand Spinach Dec 7 Jan 18 Jan 25 Mar 22 – Apr 19 55–70
Okra Dec 7 Jan 18 Jan 25 Mar 22 – May 17 50–65
Onion Dec 21 Dec 28 Jan 18 Oct 17 Apr 19 – Jun 7 90–120
Pac Choi Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Mar 29 40–55
Patty Pan Squash Dec 21 Jan 18 Jan 25 Mar 15 – Apr 12 45–60
Peas Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 10 55–70
Peppers Dec 7 Jan 18 Jan 25 Mar 29 – Jun 7 60–90
Pole Beans Dec 7 Jan 18 Jan 25 Mar 22 – May 17 55–70
Potatoes Dec 7 Jan 18 Jan 25 Apr 5 – Jun 14 70–120
Pumpkin Dec 21 Jan 18 Jan 25 Apr 26 – Jun 14 85–120
Purslane Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Apr 5 40–60
Radicchio Dec 21 Dec 28 Jan 18 Oct 17 Mar 22 – Apr 26 60–80
Radish Dec 28 Oct 17 Jan 25 – Feb 15 22–35
Romanesco Dec 21 Dec 28 Jan 18 Oct 17 Apr 5 – May 17 75–100
Savoy Cabbage Dec 21 Dec 28 Jan 18 Oct 17 Mar 29 – May 24 70–110
Scallions Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – Apr 12 50–70
Scarlet Runner Beans Dec 7 Jan 18 Jan 25 Mar 29 – May 3 60–80
Shallot Dec 21 Dec 28 Jan 18 Oct 17 Apr 19 – Jun 7 90–120
Shiso Dec 7 Jan 25 Jan 25 Mar 22 – May 17 50–70
Snap Peas Dec 7 Jan 18 Jan 25 Mar 22 – May 17 55–70
Snow Peas Dec 21 Dec 28 Jan 18 Oct 17 Mar 15 – May 10 50–65
Soybeans Jan 25 Apr 19 – Jun 14 80–120
Spaghetti Squash Dec 21 Jan 18 Jan 25 Apr 26 – May 24 85–100
Spinach Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Apr 26 35–50
Squash (Summer) Dec 21 Jan 18 Jan 25 Mar 15 – May 17 45–65
Squash (Winter) Dec 21 Jan 18 Jan 25 Apr 19 – Jun 14 80–120
Sweet Corn Jan 25 Mar 29 – May 10 60–90
Sweet Potatoes Dec 7 Jan 18 Jan 25 Apr 26 – Jun 14 90–120
Tatsoi Dec 21 Dec 28 Jan 18 Oct 17 Feb 22 – Mar 29 35–50
Tomatillo Dec 7 Jan 18 Jan 25 Mar 29 – Jun 7 60–85
Tomatoes Dec 7 Jan 18 Jan 25 Mar 29 – Jun 7 60–85
Turmeric Dec 7 Jan 18 Jan 25 Sep 27 – Dec 6 240–300
Turnip Dec 28 Oct 17 Feb 8 – Mar 15 40–60
Watercress Dec 21 Dec 28 Jan 18 Oct 17 Mar 1 – Apr 5 40–60
Watermelon Dec 21 Jan 18 Jan 25 Apr 5 – May 24 70–100
Wax Beans Jan 25 Mar 22 – May 17 50–65
Winter Melon Dec 7 Jan 18 Jan 25 Apr 26 – Jun 14 90–120
Yam Dec 7 Jan 18 Jan 25 Jul 26 – Jan 10 180–330
Yard Long Beans Dec 7 Jan 18 Jan 25 Mar 22 – May 3 55–80
Zucchini Dec 21 Jan 18 Jan 25 Mar 15 – May 10 45–60

🍓 Fruits to Grow in Pacifica

16 fruits matched to Zone 10a with planting dates calibrated for Pacifica.

Show all 16 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Feb 1 May 3 – Aug 16 90–180
Blackberries Feb 1 365–730
Boysenberries Feb 1 365–730
Cantaloupe Feb 1 Apr 12 – May 17 70–90
Che Fruit Feb 1 1095–1825
Dragon Fruit Feb 1 365–730
Figs Feb 1 730–1825
Goji Berries Feb 1 730–1095
Grapes Feb 1 730–1095
Ground Cherry Feb 1 Apr 12 – Jun 7 65–80
Guava Feb 1 365–730
Honeydew Feb 1 Apr 26 – Jun 7 80–110
Loquat Feb 1 730–1825
Passion Fruit Feb 1 365–545
Pomegranate Feb 1 730–1095
Strawberries Feb 1 May 3 – Jan 31 90–365

🌿 Herbs to Grow in Pacifica

23 herbs matched to Zone 10a with planting dates calibrated for Pacifica.

Show all 23 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Anise Dec 21 Dec 28 Jan 11 Oct 17 Apr 12 – Jun 28 90–120
Basil Dec 7 Jan 25 Jan 25 Mar 22 – May 24 50–75
Borage Dec 21 Dec 28 Jan 11 Oct 17 Mar 8 – Apr 26 50–60
Chervil Dec 21 Dec 28 Jan 11 Oct 17 Feb 22 – Apr 26 40–60
Chives Jan 25 Mar 29 – Jun 7 60–90
Cilantro Dec 21 Dec 28 Jan 11 Oct 17 Feb 22 – Apr 26 40–60
Cumin Dec 21 Dec 28 Jan 11 Oct 17 Apr 26 – Jun 28 100–120
Dill Dec 21 Dec 28 Jan 11 Oct 17 Feb 22 – Apr 26 40–60
Epazote Dec 7 Jan 25 Jan 25 Mar 15 – May 10 45–60
Fennel (herb) Dec 21 Dec 28 Jan 11 Oct 17 Mar 15 – May 24 60–90
Garlic Chives Jan 25 Mar 29 – Jun 7 60–90
Horehound Jan 25 Apr 12 – Jun 7 75–90
Lemon Verbena Dec 7 Jan 25 Jan 25 Mar 29 – Jun 7 60–90
Lemongrass Dec 7 Jan 25 Jan 25 Apr 12 – Jul 12 75–120
Marjoram Jan 25 Mar 29 – Jun 7 60–90
Mint Jan 25 Mar 29 – Jun 7 60–90
Oregano Jan 25 Mar 29 – Jun 7 60–90
Parsley Dec 21 Dec 28 Jan 11 Oct 17 Mar 15 – May 17 60–80
Rosemary Jan 25 Apr 19 – Sep 6 80–180
Sage Jan 25 Apr 12 – Jun 7 75–90
Savory Jan 25 Mar 22 – May 17 50–70
Stevia Dec 7 Jan 25 Jan 25 Mar 29 – Jun 7 60–90
Thai Basil Dec 7 Jan 25 Jan 25 Mar 22 – May 24 50–75

🌸 Flowers to Grow in Pacifica

31 flowers matched to Zone 10a with planting dates calibrated for Pacifica.

Show all 31 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Dec 7 Dec 14 Dec 14 Feb 8 – Aug 23 60–75
Anemones Oct 31 Oct 31 – Nov 28 90–120
Bachelor's Button Nov 9 Dec 7 Sep 19 Feb 1 – May 10 60–90
Begonias Nov 9 Dec 7 Feb 15 – Sep 13 70–90
Calendula Nov 9 Dec 7 Sep 5 Jan 18 – Apr 26 50–70
California Poppy Sep 5 Nov 14 – Mar 6 60–90
Celosia Dec 21 Dec 14 Dec 14 Feb 15 – Sep 20 60–90
Cosmos Dec 21 Dec 7 Dec 7 Feb 15 – Aug 30 60–90
Dahlias Jan 18 Jan 18 Mar 29 – Oct 25 70–120
Daylily Dec 7 Dec 21 Mar 1 – Sep 13 60–90
Dianthus Nov 23 Nov 9 Nov 9 Dec 28 – Feb 15 60–80
Freesia Oct 31 Oct 31 – Dec 5 84–112
Gaillardia (Blanket Flower) Dec 14 Dec 21 Dec 21 Mar 1 – Aug 30 70–100
Geraniums Nov 9 Dec 7 Feb 15 – Sep 13 70–100
Gladiolus Jan 18 Jan 18 Mar 29 – Oct 25 70–100
Impatiens Nov 23 Dec 14 Feb 22 – Sep 6 60–75
Larkspur Oct 17 Dec 26 – Mar 6 60–90
Marigolds Dec 14 Dec 14 Dec 14 Feb 8 – Aug 16 50–70
Nasturtium Dec 21 Dec 7 Dec 7 Feb 1 – Aug 30 55–65
Pansy Division Dec 7 Sep 5 Jan 18 – Mar 29 70–90
Petunia Nov 23 Dec 21 Mar 1 – Aug 30 70–90
Portulaca Dec 21 Dec 14 Dec 14 Feb 1 – Sep 6 50–70
Ranunculus Oct 31 Oct 31 – Nov 28 90–120
Roses Nov 23 Dec 21 Mar 1 – Sep 13 90–180
Salvia Nov 23 Dec 7 Feb 15 – Aug 30 70–90
Sedum (Stonecrop) Dec 7 Dec 21 Apr 12 – Jun 7 60–90
Snapdragon Nov 9 Dec 7 Sep 5 Feb 8 – Jul 5 70–100
Sunflower Dec 28 Dec 7 Dec 7 Mar 1 – Aug 30 70–100
Sweet Alyssum Nov 9 Dec 7 Sep 19 Jan 4 – Mar 29 45–60
Vinca (Annual) Nov 9 Dec 7 Feb 15 – Sep 27 70–90
Zinnia Dec 21 Dec 7 Dec 7 Feb 15 – Aug 30 60–70

Monthly Planting Guide for Pacifica

ZIP Codes in Pacifica

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 Mateo County.

🌱

Your San Mateo County Garden Planner — Free

A 22-page printable planner built for San Mateo County (Zone 10a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Pacifica), 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.