10 Easy Steps to Prepare Your Yard for Winter in Southern California
- Wilzave Quiles Guzmán
- Sep 17, 2025
- 2 min read
Updated: Sep 20, 2025
Winter prep landscaping in Los Angeles and Riverside areas doesn't have to be complicated. Follow this straightforward checklist to protect your landscape and avoid costly winter damage.

Step 1: Reduce Watering by 30-40%
Cut back your irrigation schedule. Southern California plants need much less water in winter, and overwatering kills more plants than cold temperatures.
Step 2: Get Frost Protection Ready
Buy frost cloth for citrus trees and tropical plants. Riverside and inland LA areas can hit freezing temperatures that kill expensive plants overnight.
Step 3: Clean Gutters and Drains
Remove leaves and debris so winter rains don't flood your garden beds. Standing water kills plants fast in Southern California's clay soils.
Step 4: Prune Dead Branches
Remove dead, diseased, or damaged growth from trees and shrubs. This prevents fungal diseases that spread quickly in winter's humid conditions.
Step 5: Apply Winter Mulch
Add 2-3 inches of mulch around plants to insulate roots and retain moisture. This protects against both cold snaps and dry spells.
Step 6: Fertilize Cool-Season Lawns
If you have fescue or ryegrass, apply winter fertilizer in December. Skip fertilizing warm-season grasses like Bermuda until spring.
Step 7: Check Irrigation for Leaks
Inspect all sprinkler lines, drip emitters, and timers. Fix leaks now before they waste water and damage plants during winter storms.
Step 8: Plant California Natives
Winter is the best time to plant drought-tolerant natives. They'll establish strong roots during the rainy season and need less summer watering.
Step 9: Service Garden Tools and Equipment
Clean, sharpen, and oil your tools. Store hoses to prevent freeze damage and service mowers before winter storage.
Step 10: Plan Next Year's Garden
Use winter months to research new plants, plan improvements, and order seeds for spring planting when selection is best.
Pro Tip: Start these steps in November and finish by mid-December. This timing protects your landscape before Southern California's peak storm season while taking advantage of cooler working weather.



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