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When to plant Yard Long Beans in Compton, CA

In Compton, plant Yard Long Beans in spring between April 3 and April 24, once soil temps hold above 50°F. Compton's last frost averages April 3, so aim for a steady week of warm soil before planting. For a fall crop, sow between and — roughly 55–80 days before the first frost on November 21.

When to Plant Yard Long Beans in Compton, CA

Los Angeles County, California Zone 10b July

July in Los Angeles County, California — your action list

July is a pivotal month for Los Angeles County, California gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost April 3
Avg. first frost November 21
Soil temp (4") 93°F
Watering Critical
Pest pressure High
Daylight 14.1 hrs
  1. Plan the fall garden

    Make a planting map for August. Tomatoes, peppers, brassicas, lettuce, root crops all go in over the next 8 weeks. Soil amendments and irrigation prep happen now.

  2. Keep heat-survivor crops productive

    Daily harvest of okra and southern peas keeps plants producing. Let pods over-mature and the plant stops setting new fruit.

  3. Watch for hurricane prep season

    August-October is hurricane season. Stake young trees, secure rain barrels, and plan how to protect tender transplants from high winds.

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Yard long beans are a tropical legume that produces slender pods up to 24 inches long. They are a staple in Southeast Asian cooking and thrive in hot weather.

Compton, California is in USDA Zone 10b. The average last spring frost is April 3 and the first fall frost is November 21, giving you a growing season of approximately 232 days.

At an elevation of 1,315 feet, Los Angeles County receives approximately 12.9 inches of rainfall annually with predominantly loam soil. Summer highs average 87°F, providing good warmth for Yard Long Beans during the growing season. With low rainfall, drip irrigation is essential for growing Yard Long Beans successfully. Mulch heavily to conserve soil moisture.

Compton, CA (Zone 10b) Long season
232 days
Last Spring Frost April 3
232 growing days
First Fall Frost November 21

Compton Soil Profile

Soil Type

Loam

Soil pH

5.8-7.5

Drainage

Well Drained

Yard Long Beans Planting Risk Windows

Early Start (70% safe) ✓ Fits season (143 days to spare)
Start indoors: Jan 23 Transplant: Mar 13 🍅 Harvest: May 8 – Jun 19
Recommended (50%) ✓ Fits season (127 days to spare)
Start indoors: Feb 20 Transplant: Apr 10 🍅 Harvest: Jun 5 – Jul 17
Safe Start (90%) ✓ Fits season (91 days to spare)
Start indoors: Apr 16 Transplant: Jun 4 🍅 Harvest: Jul 30 – Sep 10

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Compton

How your county's soil matches Yard Long Beans's growing requirements.

Soil pH

Your soil pH (5.8–7.5) overlaps with Yard Long Beans's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in Los Angeles County is excellent for Yard Long Beans — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.1%). Annual compost additions will help Yard Long Beans.

How to Plant Yard Long Beans

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Succession Planting Yard Long Beans

5
successive plantings in your 232-day season

Sow every 6.3 weeks. Last sowing by Sep 02 to harvest before frost.

Yard Long Beans Water Budget

Plant needs
1.0″/week
Rainfall provides
0.2″/week
You supply
0.9″/week
Watering frequency 2-3 times/week
Season total 1,899 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Yard Long Beans

Yard Long Beans needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Yard Long Beans Needs Rainfall You Supplement Action
Jan 2.4" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 2.2" 0" ❄️ Dormant
Apr 4.3" 1.2" 3.1" 🚿 Regular watering
May 4.3" 0.4" 3.9" 🚿 Regular watering
Jun 4.3" 0.1" 4.2" 🚿 Regular watering
Jul 4.3" 0" 4.3" 🚿 Regular watering
Aug 4.3" 0" 4.3" 🚿 Regular watering
Sep 4.3" 0.2" 4.1" 🚿 Regular watering
Oct 4.3" 0.6" 3.7" 🚿 Regular watering
Nov 4.3" 1.3" 3" 🚿 Regular watering
Dec 2.1" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Nov in Los Angeles County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Yard Long Beans Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Yard Long Beans needs ~1,029 GDD — county provides 3,538 GDD Excellent fit

Yard Long Beans Planting Timeline — Compton, CA

Yard Long Beans Planting Calendar

Activity When Date Range
Start Indoors February 20 Feb 20 – Mar 6
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow April 3 Apr 3 – Apr 24
Harvest June 5 Jun 5 – Jul 17

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 2-3 times/week

📅 Days to Maturity

55–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 10b

📆 Growing Season

232 days in Los Angeles County

Growing Tips for Yard Long Beans in Compton

Direct sow Yard Long Beans outdoors after April 03 in Los Angeles County when soil has warmed and frost danger has passed.

Common pests for Yard Long Beans in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

Los Angeles County receives only 13" of rain annually. Yard Long Beans needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Direct sow after soil is warm. Provide tall poles or trellising as vines can reach 8-10 feet. Harvest when pods are pencil-thick before seeds bulge. Cook quickly for best texture.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

When should I plant Yard Long Beans in Compton, CA?

In Compton, CA, plant Yard Long Beans after the last frost (around April 3) and before the first frost (around November 21). Best results when soil holds above 50°F.

What growing zone is Compton, CA for Yard Long Beans?

Compton sits in USDA Zone 10b. Yard Long Beans grows reliably in zones 5a through 11b, so it's a good fit here.

Can Yard Long Beans grow in Compton's climate?

Yes — Yard Long Beans grows well in Compton's temperate climate. Compton averages a 232-day frost-free season, with last frost around April 3 and first frost around November 21.

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A 22-page printable planner built for Los Angeles County (Zone 10b). 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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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Los Angeles County, CA. Local conditions may vary. Last updated: July 2026.